Air Quality in Watford, United Kingdom

Overcast
4.6°C · 96.7% humidity
4.6°
Feels -0.8°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 6pm
10
19
19 9pm
19
19
19 12am
19
19
19 3am
19
19
19 6am
19
19
19 9am
19
19
19 12pm
31
31
31 3pm
31
31
Station readings
15
10
CAMS model adj -6
12
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
AD 728×90

PM2.5 Trend (24h)

28h · 15 stations
96.7%
Humidity
33.4 km/h
Wind NW
1016.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Watford?

Temperature & Precipitation

PM2.52.29 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (12 stations within 25 km)
2.29
Median
2.89
Average
1.27
Low
8.63
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +15.4

What is the 7-day forecast for Watford?

04-09
10.7° 3.6°
8.69 mm
04-10
12.5° 4.1°
0.06 mm
04-11
8.9° 2.3°
5.31 mm
04-12
10.3° 3.1°
1.0 mm
04-13
12.1° 3.7°
1.31 mm
04-14
12.6° 3.3°
04-15
13.9° 5.5°
0.19 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Watford?

30
Brent - John Keble Primary School, United Kingdom
16.6 km
30
Brent - John Keble Primary School, United Kingdom
16.6 km
29
Harlesden HP1
17.0 km PM2.5: 6.9 µg/m³
28
Harlesden LP1
17.1 km PM2.5: 6.7 µg/m³
31
Harlesden HP2
17.3 km PM2.5: 7.4 µg/m³
30
Harlesden LP2
17.3 km PM2.5: 7.2 µg/m³
30
Brent - ARK Franklin Primary Academy, United Kingdom
18.4 km
46
Brent - ARK Franklin Primary Academy, United Kingdom
18.4 km
53
Brent - ARK Franklin Primary Academy, United Kingdom
18.4 km
158
London Harlington, United Kingdom
18.8 km

What cities are near Watford?

10 Bushey 10 North Watford 10 Pinner 10 Wealdstone 10 Borehamwood 8 Ruislip 10 Harrow 10 South Ruislip 36 St Albans 7 Hemel Hempstead

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:14 UTC.