Worst air pollution Waterlooville, today and tomorrow
Today (16 July): Air quality in Waterlooville is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 29.1/100).
Tomorrow (17 July 2026): Air quality in Waterlooville is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 37.1/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
The air quality picture in Waterlooville reflects a typical Hampshire town, with traffic emissions and local commercial activity as key contributors. Thanks to cooler northerly winds, pollution rarely lingers for long, which keeps average readings fairly unremarkable by UK standards. The A55 generates consistent traffic-related NO₂ and PM2.5, particularly during peak commuting hours.
Today - 16 July | Pollution peaks at 17:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
18.3/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
7.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 20:00
AQI:
Fair
37.1/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Fair
37.1/100
O3 (ozone):
Fair
23.0/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
12.9/100
Pollen forecast in Waterlooville
View pollen forecastFrequently Asked Questions
Is air quality bad in Waterlooville right now?
On 16 July 2026, overall air quality in Waterlooville is fair. AQI is the main air quality indicator at 29.1/100. Pollution peaks around 5:00 PM (O3: 29.1/100).
Will air quality be worse tomorrow in Waterlooville?
On 17 July 2026, air quality conditions in Waterlooville will be similar to today, with AQI forecast at fair at 37.1/100. Pollution peaks around 8:00 PM (NO2: 37.1/100).
When is air pollution at its worst in Waterlooville?
Seasons make a real difference to air quality in Waterlooville, more than most people realise. Come summer, it's ozone rather than particulates that's the bigger concern, especially on still, sunny days. Once the heating goes on and the air turns still, pollution from the A55 and nearby chimneys tends to build up rather than clear. For much of spring and autumn, things settle into a fairly unremarkable middle ground.
Are air quality levels in Waterlooville 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.
Want to see air quality forecasts for other cities in United Kingdom?
Check air quality in other popular cities:
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