Air Quality in Harwich, United Kingdom
Drizzle
18.2°C · 67.1% humidity
18.2°
Feels 18.2°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Harwich's air quality — share it
AQI Forecast
Calibrated
12
12am
12
12
12
3am
12
12
10
6am
10
12
12
9am
12
12
12
12pm
12
19
19
3pm
19
19
19
6pm
19
39
39
9pm
39
39
Station readings
12
12
CAMS model
adj -15
27
27
27
27
27
27
25
25
27
27
27
27
27
27
34
34
34
34
34
34
54
54
54
54
Air Quality Index Trend
46h · 1 stnHarwich'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.
67.1%
Humidity
77.6 km/h
Wind WSW
1011.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.0 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Harwich?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.53.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
3.0
Median
3.0
Average
3.0
Low
3.0
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +3.2
What is the 7-day forecast for Harwich?
08-03
31.8° 16.1°
0.19 mm
08-04
19.8° 13.8°
0.06 mm
08-05
22.9° 13.5°
0.13 mm
08-06
25.3° 15.6°
08-07
25.9° 13.9°
2.38 mm
08-08
22.3° 15.2°
4.37 mm
08-09
20.0° 13.3°
Both models agree
Avg diff: 2.7°C
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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 2026-08-08T02:07 UTC.