Stay updated with real-time air quality in Southwick, 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)
49
Good
Southwick, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.46 μg/m³
0
55
155
255
425
605+
31.23 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
3.45 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Southwick, West Sussex
Southwick, West Sussex
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AQI 52
Moderate
9.97μg/m³
PM2.5
28.02μg/m³
PM10
32.00ppb
O3
0.46ppb
SO2
3.39ppb
NO2
0.01ppm
CO
AQI 54
Moderate
11.05μg/m³
PM2.5
45.95μg/m³
PM10
31.56ppb
O3
0.47ppb
SO2
3.71ppb
NO2
0.01ppm
CO
AQI 54
Moderate
11.45μg/m³
PM2.5
50.82μg/m³
PM10
31.93ppb
O3
0.47ppb
SO2
3.52ppb
NO2
0.02ppm
CO
AQI 44
Good
8.48μg/m³
PM2.5
18.55μg/m³
PM10
30.81ppb
O3
0.44ppb
SO2
3.27ppb
NO2
0.01ppm
CO
AQI 52
Moderate
9.66μg/m³
PM2.5
32.35μg/m³
PM10
22.93ppb
O3
0.46ppb
SO2
4.25ppb
NO2
0.01ppm
CO
AQI 44
Good
8.29μg/m³
PM2.5
15.82μg/m³
PM10
34.21ppb
O3
0.41ppb
SO2
3.28ppb
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 Southwick, West Sussex is updated every hour for accuracy.
In the past 24 hours, the air quality in Southwick, West Sussex was at its worst at 07:00:00 on 2026-07-11.
In the last 24 hours, the best air quality in Southwick, West Sussex was observed at 03:00:00 on 2026-07-10.
As of now, the AQI in Southwick, West Sussex is 49, indicating Good conditions.
Southwick, West Sussex air has the highest levels of PM2.5.
Poor air quality in Southwick, West Sussex means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Southwick, West Sussex are currently 9.021 μg/m3.
The PM10 concentration in Southwick, West Sussex is 24.462 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Southwick, West Sussex is 0.016 ppm.
Currently, Southwick, West Sussex has a sulfur dioxide (SO2) concentration of 0.447 ppb.
The current ozone (O3) level in Southwick, West Sussex at the moment is 31.23 ppm.
Nitrogen dioxide (NO2) level in Southwick, West Sussex at the moment is 3.452 ppb.
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