Air Quality in Saffron Walden, United Kingdom
Windy
14.7°C · 67.7% humidity
14.7°
Feels 14.7°
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Saffron Walden's air quality — share it
AQI Forecast
Calibrated
9
4pm
9
9
4
7pm
5
6
7
10pm
8
8
8
1am
8
8
8
4am
8
8
8
7am
9
9
9
10am
9
9
9
1pm
11
11
Station readings
7
4
CAMS model
adj -16
25
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
25
25
25
25
25
25
27
27
Air Quality Index Trend
39h · 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.
67.7%
Humidity
70.1 km/h
Wind NE
1024.3 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
1.0 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Saffron Walden?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.51.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (1 station within 25 km)
1.0
Median
1.0
Average
1.0
Low
1.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +5.2
What is the 7-day forecast for Saffron Walden?
05-29
14.7° 11.7°
1.06 mm
05-30
17.0° 12.1°
0.5 mm
05-31
20.6° 8.0°
06-01
19.4° 9.0°
0.19 mm
06-02
19.0° 12.0°
1.06 mm
06-03
15.6° 10.4°
0.13 mm
06-04
27.2° 16.9°
5.25 mm
Both models agree
Avg diff: 3.7°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 2026-05-29T18:45 UTC.