Air Quality in Chesham, United Kingdom

Windy
16.2°C · 70.0% humidity
16.2°
Feels 16.2°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 3pm
4
4
10 6pm
8
7
6 9pm
8
7
7 12am
5
4
4 3am
4
4
4 6am
4
4
6 9am
6
6
6 12pm
6
6
Station readings
4
CAMS model adj -21
25
25
25
25
25
25
25
27
27
27
25
25
25
25
25
25
25
25
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

26h · 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.

70.0%
Humidity
81.3 km/h
Wind NE
1023.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
10
2.34 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chesham?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station
PM2.52.34 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
2.34
Median
6.73
Average
1.0
Low
9.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.7

What is the 7-day forecast for Chesham?

05-29
16.2° 11.5°
1.81 mm
05-30
17.7° 11.0°
2.25 mm
05-31
17.7° 8.9°
06-01
19.1° 8.3°
0.56 mm
06-02
16.9° 10.2°
1.19 mm
06-03
16.0° 10.2°
0.13 mm
06-04
28.1° 17.9°
3.44 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Chesham?

4
Great Missenden
7.6 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³
33
London Hillingdon Harmondsworth Os, United Kingdom
25.0 km PM2.5: 7.9 µg/m³
13
London Harlington, United Kingdom
25.9 km PM2.5: 3.1 µg/m³
65
London Harlington, United Kingdom
25.9 km PM2.5: 18.8 µg/m³
33
Harlesden HP1
30.7 km PM2.5: 7.9 µg/m³
30
Harlesden LP1
30.8 km PM2.5: 7.3 µg/m³
42
Hounslow Brentford, United Kingdom
30.8 km PM2.5: 10.1 µg/m³
13
Hounslow Brentford, United Kingdom
30.8 km PM2.5: 3.1 µg/m³
36
Harlesden HP2
30.9 km PM2.5: 8.7 µg/m³
36
Harlesden LP2
31.1 km PM2.5: 8.6 µg/m³

What cities are near Chesham?

13 Amersham on the Hill 13 Amersham 4 Berkhamsted 38 Chalfont Saint Peter 4 Hemel Hempstead 13 High Wycombe 38 Gerrards Cross 36 North Watford 37 Watford 38 Bushey
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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 2026-05-29T17:50 UTC.