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)
38
Good
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.52 μg/m³
0
55
155
255
425
605+
24.30 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
5.55 ppb
0
54
101
361
1250
2050+
0.86 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Crawley, West Sussex
Crawley, West Sussex
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AQI 30
Good
5.00μg/m³
PM2.5
11.00μg/m³
PM10
32.39ppb
O3
0.58ppb
SO2
2.66ppb
NO2
0.01ppm
CO
AQI 44
Good
8.29μg/m³
PM2.5
24.12μg/m³
PM10
28.59ppb
O3
0.60ppb
SO2
4.58ppb
NO2
0.01ppm
CO
AQI 29
Good
4.72μg/m³
PM2.5
12.29μg/m³
PM10
31.22ppb
O3
0.55ppb
SO2
3.62ppb
NO2
0.01ppm
CO
AQI 44
Good
8.23μg/m³
PM2.5
23.58μg/m³
PM10
28.86ppb
O3
0.56ppb
SO2
3.48ppb
NO2
0.01ppm
CO
AQI 29
Good
5.13μg/m³
PM2.5
10.88μg/m³
PM10
31.25ppb
O3
0.58ppb
SO2
4.86ppb
NO2
0.00ppm
CO
AQI 29
Good
4.52μg/m³
PM2.5
10.37μg/m³
PM10
31.25ppb
O3
0.58ppb
SO2
4.47ppb
NO2
0.00ppm
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 10:00:00 on 2025-11-04.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 04:00:00 on 2025-11-04.
As of now, the AQI in Crawley, West Sussex is 30, 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 5.106 μg/m3.
The PM10 concentration in Crawley, West Sussex is 11.282 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.005 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.58 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 32.202 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 5.033 ppb.
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