Air Quality in Saffron Walden, United Kingdom
Clear
16.0°C · 41.7% humidity
16.0°
Feels 16.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Saffron Walden's air quality — share it
AQI Forecast
Calibrated
5
1pm
5
5
26
4pm
20
16
13
7pm
18
16
15
10pm
14
13
13
1am
33
33
32
4am
32
32
32
7am
32
32
32
10am
12
5
Station readings
11h ago
AQI 3
PM2.5 0.8 µg/m³ · 11h ago
Air Quality Index Trend
34h · 1 stnSaffron Walden'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.
41.7%
Humidity
32.2 km/h
Wind NNW
1029.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saffron Walden?
Temperature & Precipitation
PM2.5 Trend
34h · 1 stationPM2.56.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Saffron Walden?
09-05
16.5° 10.7°
0.06 mm
09-06
19.3° 10.6°
09-07
15.5° 13.2°
1.37 mm
09-08
21.8° 9.2°
1.25 mm
09-09
16.9° 9.4°
0.81 mm
09-10
21.9° 14.5°
0.19 mm
09-11
16.9° 11.6°
0.25 mm
Both models agree
Avg diff: 3.4°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:51 UTC.