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
3.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.34 μg/m³
0
55
155
255
425
605+
29.38 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
4.07 ppb
0
54
101
361
1250
2050+
1.20 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 24
Good
4.00μg/m³
PM2.5
7.00μg/m³
PM10
26.24ppb
O3
0.62ppb
SO2
3.78ppb
NO2
0.05ppm
CO
AQI 38
Good
6.85μg/m³
PM2.5
15.96μg/m³
PM10
23.12ppb
O3
0.61ppb
SO2
4.79ppb
NO2
0.06ppm
CO
AQI 27
Good
4.96μg/m³
PM2.5
7.97μg/m³
PM10
26.48ppb
O3
0.51ppb
SO2
8.50ppb
NO2
0.05ppm
CO
AQI 38
Good
6.68μg/m³
PM2.5
8.39μg/m³
PM10
24.93ppb
O3
0.55ppb
SO2
3.58ppb
NO2
0.07ppm
CO
AQI 27
Good
4.61μg/m³
PM2.5
7.67μg/m³
PM10
26.25ppb
O3
0.64ppb
SO2
5.40ppb
NO2
0.04ppm
CO
AQI 24
Good
4.28μg/m³
PM2.5
7.31μg/m³
PM10
25.94ppb
O3
0.64ppb
SO2
5.75ppb
NO2
0.04ppm
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 2025-11-16.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 09:00:00 on 2025-11-16.
As of now, the AQI in Crawley, West Sussex is 23, 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 3.956 μg/m3.
The PM10 concentration in Crawley, West Sussex is 6.896 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.05 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.608 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 25.379 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 4.129 ppb.
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