Air Quality in Colchester, United Kingdom

Windy
15.1°C · 56.2% humidity
15.1°
Feels 15.1°
6
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
5 1pm
3
5
6 4pm
5
5
5 7pm
5
12
12 10pm
12
12
12 1am
32
32
32 4am
32
32
32 7am
32
32
12 10am
12
5
Station readings
8
4
8
CAMS model adj -22
27
25
27
27
27
27
27
27
34
34
34
34
34
54
54
54
54
54
54
54
54
34
34
27
AD 728×90

Air Quality Index Trend

43h · 1 stn

Colchester's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

56.2%
Humidity
46.6 km/h
Wind SE
1029.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
6
1.5 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Colchester?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.51.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
1.5
Median
1.5
Average
1.5
Low
1.5
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +4.7

What is the 7-day forecast for Colchester?

09-05
15.1° 10.8°
0.06 mm
09-06
23.0° 10.9°
09-07
16.8° 12.9°
1.56 mm
09-08
20.6° 10.1°
3.25 mm
09-09
17.2° 9.6°
0.75 mm
09-10
22.4° 15.1°
0.25 mm
09-11
17.3° 11.9°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Colchester?

8
Great Oakley Village
19.7 km 20.9°C 47.0% RH PM2.5: 2.0 µg/m³ PM10: 3.0 µg/m³

What cities are near Colchester?

23 Sudbury 6 Clacton-on-Sea 27 Witham 30 Maldon 25 Braintree 6 Frinton-on-Sea 6 Walton-on-the-Naze 6 Ipswich 6 Harwich 6 Felixstowe
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:50 UTC.