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
7.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.21 μg/m³
0
55
155
255
425
605+
34.14 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
2.33 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 44
Good
8.00μg/m³
PM2.5
13.00μg/m³
PM10
33.98ppb
O3
0.44ppb
SO2
3.99ppb
NO2
0.01ppm
CO
AQI 52
Moderate
9.59μg/m³
PM2.5
14.08μg/m³
PM10
34.35ppb
O3
0.43ppb
SO2
4.62ppb
NO2
0.01ppm
CO
AQI 38
Good
6.52μg/m³
PM2.5
16.76μg/m³
PM10
35.02ppb
O3
0.43ppb
SO2
3.65ppb
NO2
0.01ppm
CO
AQI 49
Good
9.35μg/m³
PM2.5
18.95μg/m³
PM10
34.21ppb
O3
0.40ppb
SO2
3.48ppb
NO2
0.01ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
15.26μg/m³
PM10
35.15ppb
O3
0.45ppb
SO2
3.54ppb
NO2
0.01ppm
CO
AQI 44
Good
7.91μg/m³
PM2.5
15.74μg/m³
PM10
35.69ppb
O3
0.46ppb
SO2
4.58ppb
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 09:00:00 on 2026-07-11.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 05:00:00 on 2026-07-11.
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 7.917 μg/m3.
The PM10 concentration in Crawley, West Sussex is 13.212 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.01 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.434 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 34.138 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 2.335 ppb.
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