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)
44
Good
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.84 μg/m³
0
55
155
255
425
605+
19.63 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
11.63 ppb
0
54
101
361
1250
2050+
0.72 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 49
Good
9.00μg/m³
PM2.5
13.00μg/m³
PM10
20.47ppb
O3
0.66ppb
SO2
8.72ppb
NO2
0.76ppm
CO
AQI 60
Moderate
13.94μg/m³
PM2.5
22.88μg/m³
PM10
20.20ppb
O3
0.64ppb
SO2
11.56ppb
NO2
0.76ppm
CO
AQI 39
Good
6.87μg/m³
PM2.5
41.95μg/m³
PM10
15.96ppb
O3
0.65ppb
SO2
15.50ppb
NO2
0.76ppm
CO
AQI 60
Moderate
13.72μg/m³
PM2.5
48.27μg/m³
PM10
17.10ppb
O3
0.62ppb
SO2
13.79ppb
NO2
0.76ppm
CO
AQI 49
Good
8.89μg/m³
PM2.5
15.02μg/m³
PM10
20.75ppb
O3
0.67ppb
SO2
12.76ppb
NO2
0.76ppm
CO
AQI 44
Good
8.38μg/m³
PM2.5
14.58μg/m³
PM10
20.81ppb
O3
0.67ppb
SO2
12.98ppb
NO2
0.76ppm
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 06:00:00 on 2026-11-12.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 03:00:00 on 2026-11-12.
As of now, the AQI in Crawley, West Sussex is 44, indicating Good conditions.
Crawley, West Sussex air has the highest levels of PM2.5.
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 7.87 μg/m3.
The PM10 concentration in Crawley, West Sussex is 12.844 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.72 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.654 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 19.63 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 11.633 ppb.
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