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)
52
Moderate
Southwick, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.24 μg/m³
0
55
155
255
425
605+
26.41 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
5.30 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Southwick, West Sussex
Southwick, West Sussex
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AQI 52
Moderate
9.79μg/m³
PM2.5
15.77μg/m³
PM10
26.76ppb
O3
0.46ppb
SO2
5.12ppb
NO2
0.13ppm
CO
AQI 49
Good
8.91μg/m³
PM2.5
16.20μg/m³
PM10
26.89ppb
O3
0.47ppb
SO2
5.32ppb
NO2
0.13ppm
CO
AQI 49
Good
9.11μg/m³
PM2.5
16.29μg/m³
PM10
26.77ppb
O3
0.47ppb
SO2
5.42ppb
NO2
0.13ppm
CO
AQI 28
Good
1.88μg/m³
PM2.5
8.87μg/m³
PM10
29.62ppb
O3
0.34ppb
SO2
3.03ppb
NO2
0.03ppm
CO
AQI 28
Good
1.88μg/m³
PM2.5
8.87μg/m³
PM10
29.62ppb
O3
0.34ppb
SO2
3.03ppb
NO2
0.03ppm
CO
AQI 49
Good
9.03μg/m³
PM2.5
13.90μg/m³
PM10
23.91ppb
O3
0.48ppb
SO2
4.80ppb
NO2
0.13ppm
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 11:00:00 on 2025-12-27.
In the last 24 hours, the best air quality in Southwick, West Sussex was observed at 01:00:00 on 2025-12-28.
As of now, the AQI in Southwick, West Sussex is 52, indicating Moderate 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 10.043 μg/m3.
The PM10 concentration in Southwick, West Sussex is 15.244 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Southwick, West Sussex is 0.136 ppm.
Currently, Southwick, West Sussex has a sulfur dioxide (SO2) concentration of 0.475 ppb.
The current ozone (O3) level in Southwick, West Sussex at the moment is 26.408 ppm.
Nitrogen dioxide (NO2) level in Southwick, West Sussex at the moment is 5.3 ppb.
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