What is the air quality in Watford today?

The current Air Quality Index (AQI) in Watford is 27 (Good). PM2.5 concentration is 6.49 µg/m³.

What is the temperature in Watford right now?

The current temperature in Watford is 11.0°C (feels like 11.0°C). Humidity is 80.7% and wind speed is 43.5 km/h.

Is it safe to go outside in Watford?

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

Air Quality in Watford, United Kingdom

Windy

11.0°C · 80.7% humidity

11.0°

Feels 11.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

14 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 13h ago

AQI 4

PM2.5 1.0 µg/m³ · 13h ago

Air Quality Index Trend

21h · 1 stn

View full history →

Watford'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.

80.7%

Humidity

43.5 km/h

Wind ENE

1027.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.49 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Watford?

Temperature & Precipitation

PM2.5 Trend

21h · 1 station

PM2.56.49 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (14 stations within 25 km)

6.49

Median

6.67

Average

2.6

Low

14.0

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -0.7

What is the 7-day forecast for Watford?

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

10-28

11.4° 4.6°

0.13 mm

Both models agree Avg diff: 2.9°C

Where are air quality stations near Watford?

Brent - Ikea, United Kingdom

14.9 km PM2.5: 5.0 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 6.7 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 4.1 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 2.9 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 7.2 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 8.2 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 4.1 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 6.0 µg/m³

Brent - Ikea, United Kingdom

14.9 km PM2.5: 9.1 µg/m³

Brent - John Keble Primary School, United Kingdom

16.6 km PM2.5: 2.2 µg/m³

What cities are near Watford?

27 Bushey 26 North Watford 28 Pinner 27 Wealdstone 28 Borehamwood 28 Ruislip 26 Harrow 28 South Ruislip 33 St Albans 24 Hemel Hempstead

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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 2026-10-22T17:46 UTC.