Air Quality in Harlow, United Kingdom
Drizzle
16.9°C · 78.9% humidity
16.9°
Feels 16.9°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Harlow's air quality — share it
AQI Forecast
Calibrated
8
11pm
28
28
9
2am
14
18
21
5am
23
24
25
8am
26
7
7
11am
0
1
8
2pm
1
1
1
5pm
1
1
1
8pm
8
8
Station readings
8
CAMS model
adj -26
34
54
54
54
54
54
54
54
54
54
54
34
34
27
27
34
27
27
27
27
27
27
34
34
Air Quality Index Trend
6h · 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.
78.9%
Humidity
84.7 km/h
Wind SW
1010.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.1 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Harlow?
Temperature & Precipitation
PM2.5 Trend
6h · 1 stationPM2.52.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
2.1
Median
4.1
Average
1.0
Low
7.2
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +4.9
What is the 7-day forecast for Harlow?
08-03
35.1° 15.3°
0.88 mm
08-04
23.5° 13.8°
0.13 mm
08-05
23.0° 14.0°
0.06 mm
08-06
30.4° 14.2°
6.38 mm
08-07
26.7° 13.4°
0.19 mm
08-08
23.6° 13.0°
1.81 mm
08-09
20.1° 12.0°
Both models agree
Avg diff: 3.3°C
Where are air quality stations near Harlow?
8
united-kingdom-bishops-stortford-edens-close
17
Haringey Roadside, United Kingdom
17
Enfield - Bowes Primary School, United Kingdom
2
Waltham Forest Dawlish Rd, United Kingdom
87
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 2026-08-08T01:03 UTC.