Worst air pollution Clacton-on-Sea, today and tomorrow
Today (16 July): Air quality in Clacton-on-Sea 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: 30.5/100).
Tomorrow (17 July 2026): Air quality in Clacton-on-Sea is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (O3: 33.0/100). 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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Like much of Essex, Clacton-on-Sea's air quality is shaped less by industry these days and more by everyday road traffic. The nearby A303 corridor contributes steady vehicle emissions that affect roadside readings. Northwesterly winds off the coast generally provide reasonable ventilation, keeping levels close to typical UK urban averages for a town this size.
Today - 16 July | Pollution peaks at 17:00
AQI:
Fair
30.5/100
PM2.5 (fine particles):
Good
15.8/100
PM10 (coarse particles):
Good
5.7/100
NO2 (nitrogen dioxide):
Good
15.7/100
O3 (ozone):
Fair
30.5/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
11.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Fair
33.0/100
PM2.5 (fine particles):
Good
13.8/100
PM10 (coarse particles):
Good
5.0/100
NO2 (nitrogen dioxide):
Good
10.5/100
O3 (ozone):
Fair
33.0/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
11.1/100
Pollen forecast in Clacton-on-Sea
View pollen forecastFrequently Asked Questions
Is air quality bad in Clacton-on-Sea right now?
On 16 July 2026, overall air quality in Clacton-on-Sea is fair. AQI is the main air quality indicator at 30.5/100. Pollution peaks around 5:00 PM (O3: 30.5/100).
Will air quality be worse tomorrow in Clacton-on-Sea?
On 17 July 2026, air quality conditions in Clacton-on-Sea will be similar to today, with AQI forecast at fair at 33.0/100. Pollution peaks around 2:00 PM (O3: 33.0/100).
When is air pollution at its worst in Clacton-on-Sea?
Air quality in Clacton-on-Sea isn't the same all year round — it really shifts with the seasons. Summer brings a different issue — stronger sunlight can push up ozone levels on hot, sunny days, even though traffic pollution itself often disperses more easily. Once the heating goes on and the air turns still, pollution from the A303 and nearby chimneys tends to build up rather than clear.
Are air quality levels in Clacton-on-Sea 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