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)
49
Good
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.41 μg/m³
0
55
155
255
425
605+
53.35 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
12.83 ppb
0
54
101
361
1250
2050+
0.01 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 48
Good
8.00μg/m³
PM2.5
22.00μg/m³
PM10
51.74ppb
O3
0.65ppb
SO2
23.83ppb
NO2
0.01ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
25.50μg/m³
PM10
43.59ppb
O3
0.65ppb
SO2
8.09ppb
NO2
0.02ppm
CO
AQI 61
Moderate
6.58μg/m³
PM2.5
21.24μg/m³
PM10
57.61ppb
O3
0.65ppb
SO2
12.30ppb
NO2
0.01ppm
CO
AQI 80
Moderate
9.29μg/m³
PM2.5
29.49μg/m³
PM10
64.31ppb
O3
0.65ppb
SO2
5.90ppb
NO2
0.02ppm
CO
AQI 50
Good
8.71μg/m³
PM2.5
21.95μg/m³
PM10
53.62ppb
O3
0.65ppb
SO2
12.73ppb
NO2
0.01ppm
CO
AQI 51
Moderate
8.90μg/m³
PM2.5
21.94μg/m³
PM10
54.79ppb
O3
0.65ppb
SO2
12.41ppb
NO2
0.01ppm
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 08:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 07:00:00 on 2026-08-14.
As of now, the AQI in Crawley, West Sussex is 49, 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 8.992 μg/m3.
The PM10 concentration in Crawley, West Sussex is 22.409 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.014 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.573 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 53.348 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 12.834 ppb.
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