What is the air quality in Hemel Hempstead today?

The current Air Quality Index (AQI) in Hemel Hempstead is 8 (Good). PM2.5 concentration is 1.96 µg/m³.

What is the temperature in Hemel Hempstead right now?

The current temperature in Hemel Hempstead is 11.4°C (feels like 11.4°C). Humidity is 81.6% and wind speed is 43.1 km/h.

Is it safe to go outside in Hemel Hempstead?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Hemel Hempstead, United Kingdom

Drizzle

11.4°C · 81.6% humidity

11.4°

Feels 11.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

45h · 1 stn

View full history →

Hemel Hempstead'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.

81.6%

Humidity

43.1 km/h

Wind NNE

1019.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.96 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Hemel Hempstead?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station

PM2.51.96 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

1.96

Median

1.96

Average

1.96

Low

1.96

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +3.8

What is the 7-day forecast for Hemel Hempstead?

10-21

11.4° 7.1°

0.63 mm

10-22

17.8° 7.5°

10-23

12.6° 8.4°

10.69 mm

10-24

13.3° 7.6°

10-25

14.8° 8.8°

8.19 mm

10-26

9.8° 7.5°

0.62 mm

10-27

17.1° 4.8°

1.31 mm

Both models agree Avg diff: 3.3°C

Where are air quality stations near Hemel Hempstead?

Great Missenden

18.9 km PM2.5: 1.8 µg/m³ PM10: 1.8 µg/m³

Brent - Ikea, United Kingdom

26.0 km PM2.5: 21.1 µg/m³

Brent - Ikea, United Kingdom

26.0 km PM2.5: 7.2 µg/m³

Enfield - Bowes Primary School, United Kingdom

27.2 km PM2.5: 1.2 µg/m³

Brent - John Keble Primary School, United Kingdom

27.8 km PM2.5: 6.0 µg/m³

Brent - John Keble Primary School, United Kingdom

27.8 km PM2.5: 5.0 µg/m³

Brent - John Keble Primary School, United Kingdom

27.8 km PM2.5: 6.0 µg/m³

Camden Kerbside, United Kingdom

30.0 km PM2.5: 6.0 µg/m³

Camden Kerbside, United Kingdom

30.0 km PM2.5: 11.0 µg/m³

What cities are near Hemel Hempstead?

8 Berkhamsted 18 St Albans 20 North Watford 35 Harpenden 20 Watford 8 Chesham 20 Bushey 12 Amersham on the Hill 32 Luton 12 Amersham

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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 2026-10-21T13:15 UTC.