Air Quality in Horsham, United Kingdom

Drizzle
9.1°C · 83.3% humidity
9.1°
Feels 4.9°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
11 3pm
13
9
9 6pm
0
10
10 9pm
10
10
10 12am
10
10
10 3am
10
10
10 6am
10
10
10 9am
10
10
10 12pm
22
22
Station readings
11
13
9
9
CAMS model adj -15
25
25
25
12
12
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
37
37
AD 728×90

PM2.5 Trend (24h)

29h · 1 station
83.3%
Humidity
37.7 km/h
Wind WNW
1011.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Horsham?

Temperature & Precipitation

PM2.52.46 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
2.46
Median
2.46
Average
2.46
Low
2.46
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +15.2

What is the 7-day forecast for Horsham?

04-09
11.8° 3.9°
8.25 mm
04-10
11.6° 4.2°
0.06 mm
04-11
9.4° 3.1°
4.12 mm
04-12
10.5° 5.8°
1.88 mm
04-13
12.5° 3.7°
2.31 mm
04-14
13.2° 3.6°
0.13 mm
04-15
14.5° 4.3°
0.06 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Horsham?

34
Storrington Roadside, United Kingdom
18.4 km
9
Hassocks
20.1 km 13.8°C 54.2% RH PM2.5: 2.1 µg/m³ PM10: 10.9 µg/m³

What cities are near Horsham?

10 Crawley 9 Horley 10 Haywards Heath 10 Burgess Hill 8 Dorking 8 Reigate 8 Redhill 10 East Grinstead 5 Godalming 10 Portslade

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:40 UTC.