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)
28
Good
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.04 μg/m³
0
55
155
255
425
605+
29.69 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
3.18 ppb
0
54
101
361
1250
2050+
0.11 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 27
Good
3.00μg/m³
PM2.5
5.00μg/m³
PM10
29.12ppb
O3
0.84ppb
SO2
2.66ppb
NO2
0.12ppm
CO
AQI 25
Good
4.19μg/m³
PM2.5
10.98μg/m³
PM10
26.80ppb
O3
0.82ppb
SO2
7.15ppb
NO2
0.12ppm
CO
AQI 25
Good
2.99μg/m³
PM2.5
5.72μg/m³
PM10
27.43ppb
O3
0.84ppb
SO2
3.08ppb
NO2
0.12ppm
CO
AQI 24
Good
2.89μg/m³
PM2.5
11.32μg/m³
PM10
26.24ppb
O3
0.78ppb
SO2
4.83ppb
NO2
0.12ppm
CO
AQI 27
Good
3.10μg/m³
PM2.5
5.39μg/m³
PM10
28.93ppb
O3
0.84ppb
SO2
4.46ppb
NO2
0.12ppm
CO
AQI 27
Good
3.25μg/m³
PM2.5
6.66μg/m³
PM10
29.35ppb
O3
0.86ppb
SO2
6.35ppb
NO2
0.12ppm
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 07:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 07:00:00 on 2026-05-14.
As of now, the AQI in Crawley, West Sussex is 28, 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 3.064 μg/m3.
The PM10 concentration in Crawley, West Sussex is 6.039 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.108 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.899 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 29.692 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 3.181 ppb.
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