Air Quality in Chesham, United Kingdom

Clear
15.0°C · 49.8% humidity
15.0°
Feels 15.0°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
3 5pm
3
3
16 8pm
20
35
37 11pm
38
39
28 2am
29
29
29 5am
30
30
30 8am
30
30
10 11am
10
10
3 2pm
3
3
Station readings 4h ago
AQI 4
PM2.5 1.0 µg/m³ · 4h ago
CAMS model adj -24
27
27
27
54
54
66
66
66
66
54
54
54
54
54
54
54
54
54
34
34
34
27
27
27
AD 728×90

Air Quality Index Trend

18h · 1 stn

Chesham'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.

49.8%
Humidity
20.2 km/h
Wind N
1029.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
16
3.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

18h · 1 station
PM2.53.8 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
3.8
Median
3.8
Average
3.8
Low
3.8
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +5.9
09-05
15.0° 9.4°
0.31 mm
09-06
17.9° 9.5°
0.25 mm
09-07
13.9° 12.1°
1.5 mm
09-08
21.9° 7.7°
0.13 mm
09-09
18.7° 8.0°
0.56 mm
09-10
21.6° 12.8°
09-11
15.2° 10.8°
0.75 mm
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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 2026-09-05T19:12 UTC.