Air Quality in Lewes, United Kingdom
Overcast
12.3°C · 98.8% humidity
12.3°
Feels 12.3°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Lewes's air quality — share it
AQI Forecast
Calibrated
7
9pm
7
7
21
12am
17
14
10
3am
9
8
7
6am
6
6
6
9am
7
7
14
12pm
14
14
14
3pm
34
14
14
6pm
14
7
Station readings
6
8
10
10
CAMS model
adj -20
27
27
27
27
27
27
25
25
25
25
25
25
25
27
27
34
34
34
34
54
34
34
34
27
Air Quality Index Trend
33h · 1 stnLewes'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.
98.8%
Humidity
31.9 km/h
Wind SW
1009.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.03 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Lewes?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.55.03 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
5.03
Median
7.67
Average
2.23
Low
13.1
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +1.5
What is the 7-day forecast for Lewes?
05-29
14.4° 11.7°
1.69 mm
05-30
18.6° 12.3°
05-31
23.2° 10.1°
0.13 mm
06-01
19.8° 9.0°
0.25 mm
06-02
19.1° 10.9°
1.69 mm
06-03
16.4° 12.4°
0.06 mm
06-04
24.3° 17.6°
3.19 mm
Both models agree
Avg diff: 3.1°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 2026-05-29T23:35 UTC.