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)
25
Good
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.03 μg/m³
0
55
155
255
425
605+
27.48 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
8.24 ppb
0
54
101
361
1250
2050+
0.03 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 26
Good
3.78μg/m³
PM2.5
9.33μg/m³
PM10
28.07ppb
O3
0.34ppb
SO2
3.11ppb
NO2
0.02ppm
CO
AQI 25
Good
3.78μg/m³
PM2.5
10.01μg/m³
PM10
27.37ppb
O3
0.34ppb
SO2
7.68ppb
NO2
0.03ppm
CO
AQI 25
Good
3.26μg/m³
PM2.5
9.96μg/m³
PM10
27.47ppb
O3
0.26ppb
SO2
6.71ppb
NO2
0.02ppm
CO
AQI 26
Good
3.78μg/m³
PM2.5
18.24μg/m³
PM10
27.91ppb
O3
0.34ppb
SO2
2.99ppb
NO2
0.03ppm
CO
AQI 38
Good
6.50μg/m³
PM2.5
8.16μg/m³
PM10
28.04ppb
O3
0.34ppb
SO2
12.11ppb
NO2
0.02ppm
CO
AQI 38
Good
6.50μg/m³
PM2.5
8.96μg/m³
PM10
28.96ppb
O3
0.34ppb
SO2
12.83ppb
NO2
0.02ppm
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 2025-12-27.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 08:00:00 on 2025-12-28.
As of now, the AQI in Crawley, West Sussex is 25, 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 3.344 μg/m3.
The PM10 concentration in Crawley, West Sussex is 10.031 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.029 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.338 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 27.477 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 8.236 ppb.
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