What is the air quality in Chesham today?

The current Air Quality Index (AQI) in Chesham is 15 (Good). PM2.5 concentration is 3.5 µg/m³.

What is the temperature in Chesham right now?

The current temperature in Chesham is 7.2°C (feels like 3.5°C). Humidity is 93.3% and wind speed is 24.2 km/h.

Is it safe to go outside in Chesham?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Chesham, United Kingdom

Drizzle

7.2°C · 93.3% humidity

7.2°

Feels 3.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

3 12am

15 3am

8 6am

5 9am

5 12pm

4 3pm

4 6pm

4 9pm

Station readings 12h ago

AQI 4

PM2.5 1.0 µg/m³ · 12h ago

CAMS model adj -21

Air Quality Index Trend

11h · 1 stn

View full history →

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.

93.3%

Humidity

24.2 km/h

Wind W

1020.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.5 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chesham?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station

PM2.53.5 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

3.5

Median

15.8

Average

1.0

Low

30.6

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +2.4

What is the 7-day forecast for Chesham?

06-09

15.3° 7.2°

1.0 mm

06-10

13.2° 11.3°

6.88 mm

06-11

24.9° 13.6°

1.63 mm

06-12

20.5° 8.5°

06-13

21.4° 9.5°

0.19 mm

06-14

20.6° 10.2°

1.0 mm

06-15

16.4° 8.4°

2.38 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Chesham?

Great Missenden

7.6 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³

London Hillingdon Harmondsworth Os, United Kingdom

25.0 km PM2.5: 1.7 µg/m³

113

London Harlington, United Kingdom

25.9 km PM2.5: 40.4 µg/m³

London Harlington, United Kingdom

25.9 km PM2.5: 8.4 µg/m³

Harlesden HP1

30.7 km PM2.5: 4.8 µg/m³

Harlesden LP1

30.8 km PM2.5: 4.6 µg/m³

Hounslow Brentford, United Kingdom

30.8 km PM2.5: 6.2 µg/m³

Hounslow Brentford, United Kingdom

30.8 km PM2.5: 6.0 µg/m³

Harlesden HP2

30.9 km PM2.5: 6.3 µg/m³

Harlesden LP2

31.1 km PM2.5: 7.5 µg/m³

What cities are near Chesham?

17 Amersham on the Hill 17 Amersham 4 Berkhamsted 44 Chalfont Saint Peter 4 Hemel Hempstead 18 High Wycombe 45 Gerrards Cross 29 North Watford 28 Watford 26 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 2026-06-09T02:15 UTC.