Air Quality in Horley, United Kingdom
Overcast
12.3°C · 98.4% humidity
12.3°
Feels 12.3°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Horley's air quality — share it
AQI Forecast
27
7pm
27
27
38
10pm
35
33
38
1am
30
29
28
4am
26
26
26
7am
27
27
27
10am
27
34
34
1pm
27
27
27
4pm
27
27
Air Quality Index Trend
48h · 1 stnHorley'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.
98.4%
Humidity
27.7 km/h
Wind SW
1008.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.02 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Horley?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.59.02 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Horley?
05-29
16.5° 12.1°
1.31 mm
05-30
19.3° 12.3°
05-31
21.1° 10.1°
0.19 mm
06-01
20.4° 8.3°
0.06 mm
06-02
19.9° 10.9°
1.44 mm
06-03
17.3° 12.1°
0.06 mm
06-04
27.2° 18.7°
4.06 mm
Both models agree
Avg diff: 3.2°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 2026-05-29T21:38 UTC.