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)
38
Good
Southwick, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.21 μg/m³
0
55
155
255
425
605+
27.63 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
2.78 ppb
0
54
101
361
1250
2050+
0.86 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 49
Good
8.72μg/m³
PM2.5
20.65μg/m³
PM10
34.19ppb
O3
0.59ppb
SO2
6.00ppb
NO2
0.04ppm
CO
AQI 56
Moderate
11.84μg/m³
PM2.5
49.80μg/m³
PM10
34.08ppb
O3
0.58ppb
SO2
9.53ppb
NO2
0.04ppm
CO
AQI 58
Moderate
12.87μg/m³
PM2.5
57.98μg/m³
PM10
34.25ppb
O3
0.57ppb
SO2
11.00ppb
NO2
0.04ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
18.93μg/m³
PM10
33.59ppb
O3
0.64ppb
SO2
3.15ppb
NO2
0.04ppm
CO
AQI 38
Good
7.44μg/m³
PM2.5
18.41μg/m³
PM10
33.12ppb
O3
0.65ppb
SO2
3.90ppb
NO2
0.04ppm
CO
AQI 44
Good
8.19μg/m³
PM2.5
35.11μg/m³
PM10
34.04ppb
O3
0.68ppb
SO2
3.58ppb
NO2
0.04ppm
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 05:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in Southwick, West Sussex was observed at 03:00:00 on 2025-11-03.
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 9.008 μg/m3.
The PM10 concentration in Southwick, West Sussex is 25.338 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Southwick, West Sussex is 0.042 ppm.
Currently, Southwick, West Sussex has a sulfur dioxide (SO2) concentration of 0.628 ppb.
The current ozone (O3) level in Southwick, West Sussex at the moment is 33.592 ppm.
Nitrogen dioxide (NO2) level in Southwick, West Sussex at the moment is 4.322 ppb.
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