What is the air quality in Horley today?

The current Air Quality Index (AQI) in Horley is 36 (Good). PM2.5 concentration is 8.7 µg/m³.

What is the temperature in Horley right now?

The current temperature in Horley is 11.1°C (feels like 11.1°C). Humidity is 87.3% and wind speed is 45.1 km/h.

Is it safe to go outside in Horley?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Horley, United Kingdom

Drizzle

11.1°C · 87.3% humidity

11.1°

Feels 11.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 19 stn

View full history →

Horley'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.

87.3%

Humidity

45.1 km/h

Wind NNE

1019.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.7 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Horley?

Temperature & Precipitation

PM2.5 Trend

45h · 19 stations

PM2.58.7 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Horley?

10-21

11.8° 5.9°

1.0 mm

10-22

19.7° 7.4°

10-23

12.8° 9.7°

19.25 mm

10-24

14.4° 8.4°

0.06 mm

10-25

15.6° 10.4°

4.37 mm

10-26

11.0° 7.2°

0.94 mm

10-27

18.6° 5.8°

2.0 mm

Both models agree Avg diff: 3.3°C

Where are air quality stations near Horley?

–

Croydon - Park Lane

22.6 km

What cities are near Horley?

36 Crawley 29 Redhill 28 Reigate 36 East Grinstead 20 Caterham 26 Dorking 24 Coulsdon 24 Banstead 10 Horsham 20 Leatherhead

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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 2026-10-21T14:04 UTC.