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)
102
Unhealthy for sensitive groups
Crawley, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
36.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.98 μg/m³
0
55
155
255
425
605+
17.91 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
7.81 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Crawley, West Sussex
Crawley, West Sussex
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AQI 102
Unhealthy for sensitive groups
36.00μg/m³
PM2.5
44.00μg/m³
PM10
17.97ppb
O3
0.49ppb
SO2
3.03ppb
NO2
0.02ppm
CO
AQI 117
Unhealthy for sensitive groups
41.79μg/m³
PM2.5
48.74μg/m³
PM10
24.11ppb
O3
0.50ppb
SO2
10.83ppb
NO2
0.02ppm
CO
AQI 119
Unhealthy for sensitive groups
42.92μg/m³
PM2.5
58.02μg/m³
PM10
24.09ppb
O3
0.47ppb
SO2
10.59ppb
NO2
0.02ppm
CO
AQI 112
Unhealthy for sensitive groups
39.93μg/m³
PM2.5
161.27μg/m³
PM10
16.32ppb
O3
0.44ppb
SO2
10.46ppb
NO2
0.02ppm
CO
AQI 105
Unhealthy for sensitive groups
37.41μg/m³
PM2.5
46.43μg/m³
PM10
17.68ppb
O3
0.59ppb
SO2
9.39ppb
NO2
0.01ppm
CO
AQI 107
Unhealthy for sensitive groups
37.68μg/m³
PM2.5
47.07μg/m³
PM10
17.86ppb
O3
0.63ppb
SO2
9.80ppb
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 02:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Crawley, West Sussex was observed at 03:00:00 on 2026-03-08.
As of now, the AQI in Crawley, West Sussex is 102, indicating Unhealthy for Sensitive Groups 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 36.29 μg/m3.
The PM10 concentration in Crawley, West Sussex is 43.977 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Crawley, West Sussex is 0.017 ppm.
Currently, Crawley, West Sussex has a sulfur dioxide (SO2) concentration of 0.501 ppb.
The current ozone (O3) level in Crawley, West Sussex at the moment is 17.908 ppm.
Nitrogen dioxide (NO2) level in Crawley, West Sussex at the moment is 7.808 ppb.
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