Llyn Llech Owain parkrun - Pollen and Air Quality Forecast for Today
Race day: Weekly
Distance: 5 km
Pollen levels are low to moderate today, with mugwort and grass as the main active species. Air quality along the route is good, with all pollutants at low levels. Based on Airmine's forecast, which uses satellite data to calculate exposure every 200 metres along the route, air quality is at its worst 0.3 km after start. Pollen exposure peaks at 0.3 km after start.
To prepare for your activity, use the Airmine app to check the Llyn Llech Owain parkrun forecast before heading out.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Route map
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Today - 17 September
Pollen
Acacia (Acacia):
None
0/100
Alder (Alnus):
None
0/100
Birch (Betula):
None
0/100
Hazel (Corylus):
None
0/100
Cypress (Cupressaceae):
None
0/100
Eucalyptus (Myrtaceae):
None
0/100
Grass (Poaceae):
Low
6/100
Oak (Quercus):
None
0/100
Willow (Salicaceae):
None
0/100
Mugwort (Artemisia):
Moderate
45/100
Mulberry (Morus):
None
0/100
Plane (Platanus):
None
0/100
Nettle (Urtica):
None
0/100
Ragweed (Ambrosia):
None
0/100
Goosefoot (Amaranthaceae):
None
0/100
Air Quality
AQI:
Good
12.9/100
PM2.5 (fine particles):
Good
8.4/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Good
2.9/100
O3 (ozone):
Good
12.9/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
3.5/100
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parkrun Forster Memorial Park junior parkrun Fort William parkrun Fountains Abbey parkrun Frank's Farm parkrun Frickley Country parkrun Frimley Lodge parkrun Frogmary Green Farm parkrun Fulbourn Hospital parkrun Fulham 10K Fulham Palace parkrun Fulwell Quarry parkrun Furzefield Leisure Centre junior parkrun Gadebridge Park junior parkrun Gainsborough Half Marathon Ganavan Sands parkrun Gang Warily junior parkrun Ganger Farm parkrun Gardenhurst Estate junior parkrun Gateshead parkrun GEC Rec junior parkrun Gedling junior parkrun Girvan Prom parkrun Gladstone parkrun Gloucester City parkrun Gnoll junior parkrun Gnoll parkrun Golden Valley Playing Field junior parkrun Goodwood Field junior parkrun Gordon Park junior parkrun Gorleston Cliffs parkrun Goudhurst junior parkrun Graves junior parkrun Graves parkrun Gravesend junior parkrun Great Cornard junior parkrun Great Cornard parkrun Great Denham junior parkrun Great Dunmow parkrun Great North Run Great Notley junior parkrun Great Notley 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parkrun Kesgrave parkrun Keswick junior parkrun Kettering parkrun Kew Woods parkrun Kilkenny Lane Country parkrun Killerton parkrun King George junior parkrun King George V junior parkrun King George V Playing Field parkrun, Cheltenham King GeorgeV Playing Field junior parkrun, MillEnd King’s Lynn junior parkrun King’s Lynn parkrun King’s Park junior parkrun Kingdom parkrun Kings Weston junior parkrun Kingsbury Water parkrun Kingsgrove Woodland junior parkrun Kingston parkrun Kingsway Park parkrun, Urmston Kirkharle Courtyard parkrun Kirkwall parkrun Knavesmire junior parkrun Knowsley parkrun Lady Mary’s Walk parkrun Lake Farm junior parkrun Lake Meadows junior parkrun Laleham junior parkrun Lanark Moor parkrun Lancing Beach Green parkrun Land’s End parkrun Lanhydrock parkrun Larne junior parkrun Larne parkrun Latchmere Rec junior parkrun Lea Bridges junior parkrun Leamington parkrun Leatherhead junior parkrun Leavesden Country parkrun Leavesden junior parkrun Leazes parkrun Leigh junior parkrun Leighton Buzzard junior parkrun Leith Hill Levengrove junior parkrun Levengrove parkrun Lews Castle parkrun Leyton Jubilee junior parkrun Limepark Playing Fields parkrun Lincoln parkrun Linford Wood parkrun Lingwood parkrun Lingwood Village Hall junior parkrun Linwood parkrun Lister Park parkrun, Bradford Little Stoke junior parkrun Littlehampton Prom parkrun Littleport parkrun Livingston parkrun Llanerchaeron parkrun Llanfoist Crossing parkrun Llanishen Park parkrun Lloyd junior parkrun Llwybr Dyffryn Tywi parkrun, Nantgaredig Loch Leven junior parkrun Loch Leven parkrun Loch Neaton parkrun, Watton Lochend Woods parkrun Lochore Meadows parkrun London Fields junior parkrun London Landmarks Half Marathon Course London Marathon Double 2027 Long Eaton junior parkrun Long Eaton parkrun Longrun Meadow parkrun Longton junior parkrun Lordship Rec Ground junior parkrun Lordship Recreation Ground parkrun Lough Head parkrun Lough Moss junior parkrun Loughmacrory parkrun Lovelace Primary School junior parkrun Lurgan junior parkrun Lurgan Park parkrun Luton Wardown parkrun Lutterworth Country Park junior parkrun Lydiard parkrun Lyme Park parkrun Lyme Valley Parkway junior parkrun Lymington Woodside parkrun Lytham Hall parkrun MacRosty junior parkrun Maesteg parkrun Magherafelt junior parkrun Maidstone River Park parkrun Maldon Prom parkrun Mallards Pike parkrun Malling Rec parkrun Manchester Marathon Manor Field parkrun, Whittlesey Manor Park junior parkrun, Glossop Mansfield parkrun Marathon Eryri Margate junior parkrun Margate parkrun Marine Parade parkrun Marine Park Gardens junior parkrun Markeaton junior parkrun Market Harborough junior parkrun Market Harborough parkrun Market Rasen Racecourse parkrun Markshall parkrun Marlborough Common parkrun Marple parkrun Marshall Drive parkrun, Brotton Maryport Prom junior parkrun Meadowmill parkrun Medina I.O.W junior parkrun Melksham parkrun Melton Mowbray parkrun Meon Valley Trail parkrun, Wickham Mersea Island parkrun Merthyr Leisure Village junior parkrun Merthyr parkrun Mesnes Park junior parkrun Mewsbrook junior parkrun Middleton Woods parkrun Mildenhall Hub junior parkrun Mildenhall Hub parkrun Mile End junior parkrun Mile End parkrun Milford Waterfront parkrun Millbank Boating Pond junior parkrun Millbrook Millennium Green junior parkrun Millfield junior parkrun Millfield parkrun Millhouses junior parkrun Millhouses parkrun Millom parkrun Milnrow Memorial Park junior parkrun Milton Country parkrun Milton Keynes junior parkrun Milton Keynes parkrun Minehead parkrun Moira junior parkrun Mole Valley parkrun Montalto Estate parkrun Montrose parkrun Moors Valley junior parkrun Morden parkrun Morden Recreation Ground junior parkrun Morecambe Prom parkrun Moredon Sporting Hub junior parkrun Mote Park junior parkrun Mote Park parkrun Mount Stuart parkrun Mowbray Park junior parkrun Muncaster Castle parkrun Mundy Playing Fields junior parkrun Musgrave junior parkrun Myrtle parkrun Nairn Links parkrun Nant y Pandy parkrun Netley Abbey junior parkrun Netley Abbey parkrun New Forest Marathon New Milton junior parkrun Newark junior parkrun Newark parkrun Newbiggin-by-the-Sea parkrun Newborough Forest parkrun Newent parkrun Newport junior parkrun Newport parkrun Newry Greenway parkrun Newtown parkrun NIAC junior parkrun Nobles parkrun Nonsuch parkrun Norfolk Heritage Park junior parkrun Norfolk Road Playing Fields junior parkrun Normanby Hall parkrun Norris Green Park junior parkrun North Marine junior parkrun Northala Fields junior parkrun Northala Fields parkrun Northallerton junior parkrun Northallerton parkrun Northampton parkrun Northlands junior parkrun Northwich parkrun Norton Common junior parkrun Nostell parkrun Nova Prestatyn parkrun Oak Hill parkrun Oakey Park parkrun Oaklands College parkrun Oaklands parkrun Oakwell Hall parkrun Ockwells junior parkrun Old Deer Park parkrun Old Railway Trail parkrun, Llangollen Oldham parkrun Omagh Leisure Complex junior parkrun Omagh parkrun Orangefield parkrun Oriam parkrun Ormeau junior parkrun Ormeau parkrun Ormskirk parkrun Osterley junior parkrun Osterley parkrun Oxford Half Marathon Oxford parkrun Oxford Street – Regent Street Loop Paddington Rec junior parkrun Padiham Greenway junior parkrun Page Park junior parkrun Paisley Park parkrun Palacerigg Country parkrun Panshanger parkrun Par Track junior parkrun Parc Coed Gwilym parkrun Parc Dewi Sant parkrun Park Hill Recreation Ground junior parkrun Park in the Past parkrun Park View junior parkrun Parke parkrun Parkland Walk Pavilion Gardens junior parkrun Pavilion Gardens parkrun Peacehaven junior parkrun Peacehaven parkrun Peckham Rye junior parkrun Peckham Rye parkrun Pegwell Bay parkrun Penallta junior parkrun Pendle parkrun Penistone parkrun Pennington Flash parkrun Penrhyn parkrun Penrith parkrun Penrose parkrun People’s Park junior parkrun, Halifax Peoples Park junior parkrun Perry Hall parkrun Perth junior parkrun Perth parkrun Perton Playing Fields junior parkrun Perton Playing Fields parkrun Peter Pan junior parkrun Phear Park junior parkrun Philips Park parkrun Phoenix junior parkrun Phoenix parkrun Pilrig Park junior parkrun Pitshanger junior parkrun Plas Newydd junior parkrun Play Close Park junior parkrun Plean parkrun Plymvalley parkrun Pocket parkrun Polkemmet Country parkrun Pomeroy Forest parkrun Pomphrey Hill parkrun Pont y Bala parkrun Pontefract junior parkrun Pontefract parkrun Pontypool junior parkrun Pontypool parkrun Pontypridd junior parkrun Pontypridd parkrun Poole parkrun Porthcawl parkrun Porthcawl Promenade junior parkrun Portishead Esplanade junior parkrun Portrush parkrun Potternewton parkrun Pound Meadow junior parkrun Prestatyn Prom junior parkrun Preston Park junior parkrun, Brighton Preston Park parkrun, Brighton Preston parkrun Prestwick Oval junior parkrun Prospect junior parkrun Prospect parkrun Prudhoe Riverside junior parkrun Prudhoe Riverside parkrun Pymmes junior parkrun QEII Playing Fields junior parkrun Quakers Walk parkrun Queen Elizabeth parkrun Queen Elizabeth’s Grammar School parkrun Queen’s Parade junior parkrun, Aldershot Queen’s Park junior parkrun, Brighton Queen’s Park junior parkrun, Rochdale Queen’s parkrun, Belfast Queen’s parkrun, Glasgow Queens Park junior parkrun, Crewe Queensway parkrun Queenswood Country Park parkrun Quiraing Curcuit Radnor Park junior parkrun Ravenswood Primary School junior parkrun Reading parkrun Redcar junior parkrun Redcar parkrun Regent’s Canal Walk Reigate Priory junior parkrun Reigate Priory parkrun Rendlesham Forest parkrun Richmond Park Richmond parkrun Rickmansworth parkrun Rising Sun parkrun Riverfront parkrun Riverside Gardens junior parkrun Riverside junior parkrun Riverside junior parkrun, Ballymoney Riverside junior parkrun, St Neots Riverside Park parkrun, Glenrothes Riverside parkrun Riverside parkrun, Ballymoney Riverside Walk parkrun Riversley Park junior parkrun Roding Valley junior parkrun Roding Valley parkrun Rogiet junior parkrun Rogiet parkrun Roker Park junior parkrun Ross-on-Wye parkrun Rossmere junior parkrun Rostrevor parkrun Rothamsted Park parkrun Rothay Park parkrun Rother Valley parkrun Rotherham parkrun Rothwell parkrun Rouken Glen junior parkrun Round Lake junior parkrun Roundhay junior parkrun Roundhay parkrun Roundshaw Downs parkrun Royal Tunbridge Wells parkrun Ruchill parkrun Rugby parkrun Rushcliffe junior parkrun Rushcliffe parkrun Rushmoor parkrun Ruthin Memorial Playing Field junior parkrun Ruthin Memorial Playing Fields parkrun Rutland Water junior parkrun Ryelands Park junior parkrun Salcey Forest parkrun Sale Water parkrun Salford junior parkrun Salisbury Field junior parkrun Salt Hill junior parkrun Saltwell junior parkrun Sandall Park junior parkrun Sandhurst Memorial parkrun Sandwell Valley parkrun Sandy Water parkrun Savill Garden junior parkrun Scunthorpe parkrun Seaford Beach parkrun Seaton parkrun Sedgefield junior parkrun Sedgefield parkrun Selby parkrun Sence Valley Forest Park parkrun Seven Fields parkrun Severn Bridge parkrun Severn Valley Country parkrun Sewerby parkrun Seymour Park junior parkrun Sharpham Estate parkrun Sheffield Castle parkrun Sheffield Olympic Legacy Park junior parkrun Shepton Mallet parkrun Shipley Country parkrun Shrewsbury junior parkrun Shrewsbury parkrun Silksworth parkrun Silloth Promenade parkrun Simmons Park parkrun Sixfields Upton parkrun Sixmilewater parkrun Sizewell parkrun Skinadin parkrun Skipton parkrun Sloughbottom parkrun Snowdon Summit (Llanberis Path) loop Soham Village College parkrun Somerdale Pavilion parkrun South Beach Estate junior parkrun South Manchester junior parkrun South Manchester parkrun South Norwood parkrun South Oxhey parkrun South Park junior parkrun South Shields parkrun Southall parkrun Southampton Common junior parkrun Southampton junior parkrun Southampton parkrun Southend parkrun Southern Town junior parkrun Southport parkrun Southsea parkrun Southwark junior parkrun Southwark parkrun Southwick Country parkrun Spiceball Country Park junior parkrun Springburn parkrun, Glasgow Squerryes Winery parkrun St Albans parkrun St Andrews parkrun St Helens parkrun St James's Park St John’s Primary School junior parkrun St Mary’s parkrun St Matthew’s Field parkrun St Nicholas junior parkrun Stanborough parkrun Stanley Park junior parkrun Stevenage junior parkrun Stevenage parkrun Stevens Park junior parkrun, Wollescote Stewart parkrun, Middlesbrough Stockley Country parkrun Stokes Bay junior parkrun Stonehaven parkrun Stonehouse junior parkrun Stonehouse parkrun Stopline Way junior parkrun Stowmarket Recreation Ground junior parkrun Stratford Park parkrun, Stroud Stratford-upon-Avon Rec junior parkrun Strathaven junior parkrun Strathclyde parkrun Street parkrun Stretford parkrun Stubbylee Moorlands junior parkrun Sturry Road Community Park junior parkrun Sunny Hill parkrun Surbiton junior parkrun Sutton Lawn junior parkrun Sutton Manor parkrun Sutton Park junior parkrun Sutton Park parkrun Swadlincote junior parkrun Swaffham parkrun Swanscombe Heritage Park junior parkrun Swansea Prom junior parkrun Talkin Tarn Country Park parkrun Tamar Lakes parkrun Tamar Trails parkrun Tamworth Castle Grounds junior parkrun Tamworth Castle Grounds parkrun Tavistock Meadows junior parkrun Tawd Valley parkrun Teifi Marshes Nature Reserve parkrun Teignmouth Promenade parkrun Telford junior parkrun Temple Newsam junior parkrun Temple Newsam parkrun Tetbury Goods Shed parkrun Thames Path 6k loop London Thames Path National Trail Thames Path parkrun, Woolwich The Blackburn 10K Course The Demesnes parkrun The Fisherman‘s Walk parkrun The Great Field junior parkrun The Leas parkrun, Minster The Lost Gardens of Heligan parkrun The Mystery junior parkrun, Wavertree The Old Showfield parkrun The Pastures parkrun The People’s Park junior parkrun, Ballymena The Plens parkrun The terraces walk at Dyrham Park The Wammy parkrun The Waterfront junior parkrun The Wirral Way junior parkrun, Parkgate The Woodlands junior parkrun Thetford parkrun Thomas Mills parkrun Thonock Lane Farm parkrun Thornbury parkrun Thorney Bay Beach parkrun Thornham Walks parkrun Thorp Perrow parkrun Thoulstone parkrun Three Brooks parkrun Three Peaks Walk Thurso parkrun Tidworth parkrun Tilgate junior parkrun Tilgate parkrun Tollcross parkrun, Glasgow Tonbridge junior parkrun Tonbridge parkrun Tooting Common junior parkrun Torbay Velopark junior parkrun Torbay Velopark parkrun Torridge junior parkrun Town Moor parkrun Trelai Park parkrun Trelissick parkrun Tremorfa parkrun Trentham Gardens parkrun Troon parkrun Tyne Green junior parkrun Tyne Green parkrun Uckfield parkrun University of Northampton parkrun University of Stirling parkrun University Parks parkrun Uppermill junior parkrun Upton Court parkrun Upton House junior parkrun Upton House parkrun Ury Riverside parkrun Ushaw Historic House parkrun Valentines parkrun Valley parkrun, Newtownabbey Vermuyden Way parkrun Vicar Water Country Park parkrun Victoria Embankment parkrun, Nottingham Victoria Jubilee junior parkrun Victoria junior parkrun, Glasgow Victoria junior parkrun, Macclesfield Victoria junior parkrun, St Helens Victoria junior parkrun, Stretford Victoria Park junior parkrun, Haslingden Victoria Park parkrun, Newbury Victoria parkrun, Glasgow Vogrie parkrun Wakefield Thornes junior parkrun Wakefield Thornes parkrun Wakehurst parkrun Wallace parkrun, Lisburn Wallaceneuk parkrun Walmer and Deal Seafront parkrun Walsall Arboretum parkrun Waltham Cross Playing Field junior parkrun Walthamstow parkrun Walton Promenade parkrun Wanstead Flats parkrun Ward End junior parkrun Wardown junior parkrun Warrington parkrun Warwick Racecourse parkrun Washingbay Wetlands junior parkrun Waterloo Park junior parkrun Watermead Country Park junior parkrun Watermeadows parkrun Waterworks junior parkrun Waterworks parkrun, Belfast Watton Sports Centre junior parkrun Waverley Lakes parkrun Wendover Woods parkrun Wepre junior parkrun West Highland Way West Links junior parkrun West Lothian Cycle Circuit junior parkrun West Stow Country parkrun Western Park junior parkrun Westexe Rec junior parkrun Weston-super-Mare junior parkrun Wetherby parkrun Weymouth junior parkrun Weymouth parkrun Whinlatter Forest parkrun Whitecliffe Lake parkrun Whitehaven parkrun Whitekirk Hill parkrun Whitelands Farm junior parkrun Whiteley parkrun Whitley Bay junior parkrun Whitley Bay parkrun Whitstable junior parkrun Whitstable parkrun Wicksteed junior parkrun Widnes junior parkrun Widnes parkrun Wilson’s School junior parkrun Wilton Lodge Park parkrun Wimbledon Common parkrun Wimbledon Park junior parkrun Wimpole Estate junior parkrun Wimpole Estate parkrun Winchcombe junior parkrun Winchester junior parkrun Winchester parkrun Windy Nook parkrun Wirral Country Park junior parkrun Wisbech junior parkrun Wisbech parkrun Withernsea Promenade parkrun Witney parkrun Witton Park junior parkrun Wixams Town junior parkrun Woking junior parkrun Woking parkrun Wollaton Hall parkrun Wolverhampton parkrun Woodbank parkrun Woodlands parkrun, Scarborough Woodley parkrun Woodvale junior parkrun Woolacombe Dunes parkrun Woolavington Playing Field junior parkrun Worcester parkrun Worcester Pitchcroft parkrun Worden Park junior parkrun Worden parkrun Workington parkrun Worksop College junior parkrun Wormwood Scrubs parkrun Worsley Woods parkrun Worthing Leisure Centre junior parkrun Wotton Community PARC junior parkrun Wotton parkrun Wycombe Rye junior parkrun Wycombe Rye parkrun Wyndham junior parkrun Wynyard Woodland parkrun Wyre Forest junior parkrun Wythenshawe parkrun Y Promenâd parkrun, Aberhonddu Y Promenâd parkrun, Abermaw Y Promenâd parkrun, Llandrillo-yn-Rhos Yarborough Leisure Centre parkrun Yatton Recreation junior parkrun Yeovil Rec junior parkrun York Community Woodland parkrun York parkrun
Frequently Asked Questions
Where is air quality worst on the Llyn Llech Owain parkrun route?
Based on today's forecast, O3 is forecast at good levels along the route today (12.9/100). Air quality is at its worst after 0.3 km into the route. Airmine calculates exposure at 200m intervals along the course using satellite-derived atmospheric data.
Where is pollen highest on the Llyn Llech Owain parkrun course?
Pollen exposure peaks at km 0.3 today. This changes through the season as different pollen species become active.
When is pollen worst during the Llyn Llech Owain parkrun season?
Pollen seasons vary by location. Tree pollen (birch, alder) typically peaks in spring, while grass pollen rises in May-June.
How often is this forecast updated?
Updated four times daily. See the timestamp below for the most recent update.
Are pollen levels in Llyn Llech Owain parkrun based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Llyn Llech Owain parkrun, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Levels show the highest exposure along the full route. Airmine uses satellite data to calculate pollen and air quality every 200 metres along each race route, updated four times daily.
Data provided by Airmine — Last update: 17 September 2026 at 03:00 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibiity.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.