Air Quality in Harlow, United Kingdom
Windy
13.8°C · 67.3% humidity
13.8°
Feels 13.8°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Harlow's air quality — share it
AQI Forecast
Calibrated
9
1am
9
9
13
4am
9
9
0
7am
0
0
0
10am
0
0
0
1pm
0
0
0
4pm
0
0
0
7pm
0
0
0
10pm
0
0
Station readings
4
5
4
CAMS model
adj -45
54
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
Air Quality Index Trend
30h · 1 stnHarlow'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.
67.3%
Humidity
48.3 km/h
Wind ENE
1016.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.16 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Harlow?
Temperature & Precipitation
PM2.5 Trend
30h · 1 stationPM2.53.16 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
3.16
Median
5.64
Average
1.11
Low
7.9
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +6.6
What is the 7-day forecast for Harlow?
07-22
24.2° 12.6°
0.38 mm
07-23
19.5° 15.2°
3.06 mm
07-24
23.3° 15.3°
2.87 mm
07-25
29.3° 13.3°
0.06 mm
07-26
19.4° 13.0°
1.81 mm
07-27
27.1° 16.6°
2.81 mm
07-28
25.6° 16.3°
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Harlow?
4
united-kingdom-bishops-stortford-edens-close
50
Haringey Roadside, United Kingdom
8
Haringey Roadside, United Kingdom
40
Waltham Forest Dawlish Rd, United Kingdom
51
Waltham Forest Dawlish Rd, United Kingdom
What cities are near Harlow?
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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 2026-07-22T03:20 UTC.