What is the air quality in Harlow today?

The current Air Quality Index (AQI) in Harlow is 31 (Good). PM2.5 concentration is 7.42 µg/m³.

What is the temperature in Harlow right now?

The current temperature in Harlow is 11.0°C (feels like 11.0°C). Humidity is 75.0% and wind speed is 49.1 km/h.

Is it safe to go outside in Harlow?

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

Air Quality in Harlow, United Kingdom

Drizzle

11.0°C · 75.0% humidity

11.0°

Feels 11.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 4h ago

AQI 4

PM2.5 0.9 µg/m³ · 4h ago

Air Quality Index Trend

44h · 1 stn

View full history →

Harlow'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.

75.0%

Humidity

49.1 km/h

Wind N

1019.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.42 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Harlow?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station

PM2.57.42 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

7.42

Median

7.15

Average

1.2

Low

13.1

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -1.4

Both models agree Avg diff: 3.2°C

Where are air quality stations near Harlow?

–

united-kingdom-bishops-stortford-edens-close

11.3 km 13.0°C 70.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Haringey Roadside, United Kingdom

23.3 km PM2.5: 27.3 µg/m³

Haringey Roadside, United Kingdom

23.3 km PM2.5: 3.1 µg/m³

Haringey Roadside, United Kingdom

23.3 km PM2.5: 13.1 µg/m³

Haringey Roadside, United Kingdom

23.3 km PM2.5: 14.0 µg/m³

Enfield - Bowes Primary School, United Kingdom

24.4 km PM2.5: 1.2 µg/m³

Waltham Forest Dawlish Rd, United Kingdom

25.1 km PM2.5: 13.1 µg/m³

Waltham Forest Dawlish Rd, United Kingdom

25.1 km PM2.5: 13.1 µg/m³

What cities are near Harlow?

40 Hoddesdon 29 Ware 25 Bishops Stortford 33 Waltham Abbey 36 Cheshunt 28 Hertford 33 Enfield Lock 35 Chingford 33 Ponders End 29 Enfield Town

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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 2026-10-21T13:14 UTC.