Stay updated with real-time air quality in Crawley, West Sussex featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.06 μg/m³
0
55
155
255
425
605+
29.36 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
1.42 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Crawley, West Sussex
Crawley, West Sussex
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AQI 28
Good
4.00μg/m³
PM2.5
9.00μg/m³
PM10
30.45ppb
O3
0.41ppb
SO2
0.90ppb
NO2
0.17ppm
CO
AQI 28
Good
4.98μg/m³
PM2.5
10.56μg/m³
PM10
30.18ppb
O3
0.44ppb
SO2
2.51ppb
NO2
0.17ppm
CO
AQI 29
Good
3.93μg/m³
PM2.5
11.03μg/m³
PM10
31.13ppb
O3
0.41ppb
SO2
1.50ppb
NO2
0.17ppm
CO
AQI 28
Good
5.09μg/m³
PM2.5
7.51μg/m³
PM10
29.94ppb
O3
0.41ppb
SO2
2.23ppb
NO2
0.17ppm
CO
AQI 30
Good
4.14μg/m³
PM2.5
9.79μg/m³
PM10
31.60ppb
O3
0.42ppb
SO2
1.68ppb
NO2
0.17ppm
CO
AQI 30
Good
4.14μg/m³
PM2.5
9.97μg/m³
PM10
31.96ppb
O3
0.42ppb
SO2
2.07ppb
NO2
0.17ppm
CO
Air quality and pollutant data for West Sussex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Crawley, West Sussex is updated every hour for accuracy.
In the past 24 hours, the air quality in Crawley, West Sussex was at its worst at 03:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 10:00:00 on 2026-06-28.
As of now, the AQI in Crawley, West Sussex is 27, indicating Good conditions.
Crawley, West Sussex air has the highest levels of O3.
Poor air quality in Crawley, West Sussex means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Crawley, West Sussex are currently 3.99 μg/m3.
The PM10 concentration in Crawley, West Sussex is 9.057 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.174 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.443 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 29.356 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 1.418 ppb.
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