Air Quality in Welwyn Garden City, United Kingdom
Drizzle
8.6°C · 90.2% humidity
8.6°
Feels 4.7°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Welwyn Garden City's air quality — share it
AQI Forecast
24
11pm
24
24
18
2am
20
21
22
5am
22
24
24
8am
24
25
25
11am
25
24
25
2pm
25
24
25
5pm
25
25
25
8pm
25
25
Air Quality Index Trend
48h · 21 stnWelwyn Garden City'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.
90.2%
Humidity
31.3 km/h
Wind WNW
1020.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Welwyn Garden City?
Temperature & Precipitation
PM2.5 Trend
48h · 21 stationsPM2.54.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
4.2
Median
4.2
Average
3.6
Low
4.8
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.6
What is the 7-day forecast for Welwyn Garden City?
06-09
16.9° 8.6°
0.44 mm
06-10
13.8° 12.2°
9.25 mm
06-11
25.9° 13.9°
2.19 mm
06-12
21.7° 9.8°
06-13
22.4° 10.1°
0.13 mm
06-14
19.8° 11.1°
2.81 mm
06-15
16.6° 11.0°
4.06 mm
Both models agree
Avg diff: 4.0°C
Where are air quality stations near Welwyn Garden City?
What cities are near Welwyn Garden City?
Get AQI alerts for Welwyn Garden City
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T01:42 UTC.