What is the air quality in Heston today?

The current Air Quality Index (AQI) in Heston is 30 (Good). PM2.5 concentration is 7.26 µg/m³.

What is the temperature in Heston right now?

The current temperature in Heston is 9.5°C (feels like 5.8°C). Humidity is 86.8% and wind speed is 33.4 km/h.

Is it safe to go outside in Heston?

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

Air Quality in Heston, United Kingdom

Drizzle

9.5°C · 86.8% humidity

9.5°

Feels 5.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

19 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

4 12am

30 3am

14 6am

10 9am

5 12pm

4 3pm

4 6pm

6 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 →

Heston'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.

86.8%

Humidity

33.4 km/h

Wind W

1020.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.26 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Heston?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station

PM2.57.26 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (19 stations within 25 km)

7.26

Median

6.17

Average

1.19

Low

30.2

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -1.4

What is the 7-day forecast for Heston?

06-09

18.5° 9.5°

0.25 mm

06-10

14.1° 12.8°

8.5 mm

06-11

27.5° 14.2°

2.38 mm

06-12

22.9° 10.1°

06-13

22.8° 11.3°

0.06 mm

06-14

21.8° 11.8°

1.63 mm

06-15

17.3° 11.3°

5.62 mm

Both models agree Avg diff: 4.2°C

Where are air quality stations near Heston?

Nelson Primary School

3.6 km PM2.5: 10.2 µg/m³

High St, Witton

3.8 km PM2.5: 3.9 µg/m³

Chase Bridge Primary School

3.9 km PM2.5: 16.8 µg/m³

Hounslow Brentford, United Kingdom

4.6 km PM2.5: 6.0 µg/m³

Hounslow Brentford, United Kingdom

4.6 km PM2.5: 6.2 µg/m³

London Harlington, United Kingdom

4.6 km PM2.5: 8.4 µg/m³

113

London Harlington, United Kingdom

4.6 km PM2.5: 40.4 µg/m³

Former Greegs Site, Colne Road, Twickenham

4.7 km PM2.5: 18.2 µg/m³

Kew Rd, before j/w South Circle / Kew Green

6.1 km PM2.5: 1.2 µg/m³

The Vineyard Schl, Friars Stile Rd

6.3 km PM2.5: 13.1 µg/m³

What cities are near Heston?

24 Hounslow 20 Isleworth 30 Southall 53 Hayes 38 Feltham 22 West Ealing 27 Greenford 15 Richmond 22 Hanworth 19 Ealing Common

Get AQI alerts for Heston

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:53 UTC.