Worst air pollution Water of Leith Walkway - Edinburgh, today and tomorrow
Today (16 July): Air quality in Water of Leith Walkway is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 29.4/100).
Tomorrow (17 July 2026): Air quality in Water of Leith Walkway is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (O3: 24.7/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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The nearby A9 corridor contributes steady vehicle emissions that affect roadside readings. Water of Leith Walkway sits within Edinburgh, City of, and its air quality profile is driven mainly by road traffic and the density of the centre. Northwesterly winds off the coast offer a degree of natural ventilation, keeping pollution broadly in line with comparable UK towns.
Today - 16 July | Pollution peaks at 19:00
AQI:
Fair
29.4/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Good
0.9/100
O3 (ozone):
Fair
29.4/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
11.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Fair
24.7/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Good
1.8/100
O3 (ozone):
Fair
24.7/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
8.9/100
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Frequently Asked Questions
Is air quality bad in Water of Leith Walkway right now?
On 16 July 2026, overall air quality in Water of Leith Walkway is fair. AQI is the main air quality indicator at 29.4/100. Pollution peaks around 7:00 PM (O3: 29.4/100).
Will air quality be worse tomorrow in Water of Leith Walkway?
On 17 July 2026, air quality conditions in Water of Leith Walkway will be similar to today, with AQI forecast at fair at 24.7/100. Pollution peaks around 12:00 AM (O3: 24.7/100).
When is air pollution at its worst in Water of Leith Walkway?
The shoulder seasons generally bring the mildest readings of the year. If you're tracking air quality in Water of Leith Walkway, expect it to move around quite a bit through the year. Winter mornings can be the trickiest, with cold, still conditions trapping A9 traffic fumes and smoke from home fires close to the ground.
Are air quality levels in Water of Leith Walkway based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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 responsibility.
For long term forecasts and maps, see the Airmine app