Air Quality in Hemel Hempstead, United Kingdom

Rain
15.7°C · 89.9% humidity
15.7°
Feels 15.7°
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
12 11pm
12
12
4 2am
6
8
2 5am
10
10
11 8am
11
11
5 11am
12
12
5 2pm
5
5
5 5pm
5
5
5 8pm
5
12
Station readings
4
CAMS model adj -22
34
34
34
34
34
34
27
34
34
34
34
34
27
34
34
27
27
27
27
27
27
27
27
34
AD 728×90

Air Quality Index Trend

26h · 1 stn

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.

89.9%
Humidity
85.9 km/h
Wind SW
1010.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
4
1.0 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hemel Hempstead?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station
PM2.51.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
1.0
Median
1.0
Average
1.0
Low
1.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +6.0

What is the 7-day forecast for Hemel Hempstead?

08-03
34.6° 15.7°
3.06 mm
08-04
22.9° 14.1°
0.13 mm
08-05
22.3° 14.3°
0.25 mm
08-06
28.9° 13.6°
5.44 mm
08-07
25.8° 12.2°
1.06 mm
08-08
22.8° 12.6°
1.25 mm
08-09
19.8° 11.6°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Hemel Hempstead?

–
Great Missenden
18.9 km PM2.5: 0.0 µg/m³ PM10: 1.0 µg/m³
42
Brent - Ikea, United Kingdom
26.0 km PM2.5: 10.1 µg/m³
42
Brent - Ikea, United Kingdom
26.0 km PM2.5: 10.1 µg/m³
38
Brent - Ikea, United Kingdom
26.0 km PM2.5: 9.1 µg/m³
33
Brent - Ikea, United Kingdom
26.0 km PM2.5: 7.9 µg/m³
13
Brent - Ikea, United Kingdom
26.0 km PM2.5: 3.1 µg/m³
17
Enfield - Bowes Primary School, United Kingdom
27.2 km PM2.5: 4.1 µg/m³
32
Harlesden HP1
28.2 km PM2.5: 7.6 µg/m³
28
Harlesden LP1
28.2 km PM2.5: 6.8 µg/m³
32
Harlesden HP2
28.4 km PM2.5: 7.8 µg/m³

What cities are near Hemel Hempstead?

4 Berkhamsted 34 St Albans 32 North Watford 29 Harpenden 35 Watford 4 Chesham 37 Bushey 7 Amersham on the Hill 26 Luton 7 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 2026-08-08T01:04 UTC.