Air Quality in Chelmsford, United Kingdom

Windy
8.6°C · 83.6% humidity
8.6°
Feels 3.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
30 4pm
32
17
4 7pm
4
17
17 10pm
17
17
17 1am
4
4
4 4am
4
4
17 7am
17
17
17 10am
17
17
17 1pm
29
29
Station readings
30
32
17
CAMS model adj -8
25
25
12
12
12
25
25
25
25
25
12
12
12
12
12
25
25
25
25
25
25
25
37
37
AD 728×90

PM2.5 Trend (24h)

29h · 4 stations
83.6%
Humidity
42.9 km/h
Wind NW
1010.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.59.73 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
04-09
11.7° 5.1°
5.56 mm
04-10
13.3° 4.3°
0.06 mm
04-11
9.7° 3.8°
3.37 mm
04-12
9.7° 4.6°
1.25 mm
04-13
11.8° 3.7°
0.88 mm
04-14
12.5° 3.2°
04-15
13.8° 4.0°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T19:31 UTC.