Air Quality in Horley, United Kingdom
Partly Cloudy
16.1°C · 57.0% humidity
16.1°
Feels 16.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Horley's air quality — share it
AQI Forecast
34
1pm
27
27
26
4pm
28
30
31
7pm
52
52
65
10pm
65
65
66
1am
54
54
54
4am
54
54
54
7am
34
34
34
10am
34
34
Air Quality Index Trend
45h · 17 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.
57.0%
Humidity
25.6 km/h
Wind SSE
1029.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.22 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Horley?
Temperature & Precipitation
PM2.5 Trend
45h · 17 stationsPM2.56.22 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for Horley?
09-05
17.1° 12.1°
0.06 mm
09-06
17.5° 11.0°
0.62 mm
09-07
15.5° 13.0°
1.37 mm
09-08
22.8° 9.1°
1.88 mm
09-09
17.8° 9.2°
0.06 mm
09-10
20.0° 14.4°
0.19 mm
09-11
16.0° 12.6°
0.13 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 2026-09-05T15:50 UTC.