Stay updated with real-time air quality in Selsey, 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)
27
Good
Selsey, West Sussex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.39 μg/m³
0
55
155
255
425
605+
28.70 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
4.61 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Selsey, West Sussex
Selsey, West Sussex
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AQI 23
Good
3.58μg/m³
PM2.5
12.01μg/m³
PM10
25.47ppb
O3
0.53ppb
SO2
5.79ppb
NO2
0.12ppm
CO
AQI 24
Good
3.00μg/m³
PM2.5
9.63μg/m³
PM10
25.87ppb
O3
0.52ppb
SO2
5.30ppb
NO2
0.12ppm
CO
AQI 24
Good
3.00μg/m³
PM2.5
6.53μg/m³
PM10
25.87ppb
O3
0.52ppb
SO2
3.58ppb
NO2
0.12ppm
CO
AQI 23
Good
3.58μg/m³
PM2.5
12.01μg/m³
PM10
25.47ppb
O3
0.53ppb
SO2
5.79ppb
NO2
0.12ppm
CO
AQI 25
Good
2.94μg/m³
PM2.5
6.59μg/m³
PM10
26.53ppb
O3
0.59ppb
SO2
4.32ppb
NO2
0.12ppm
CO
AQI 23
Good
2.99μg/m³
PM2.5
6.35μg/m³
PM10
25.48ppb
O3
0.52ppb
SO2
3.23ppb
NO2
0.12ppm
CO
Air quality measurements for West Sussex, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Selsey, West Sussex is updated on an hourly basis.
The worst air quality in Selsey, West Sussex was recorded at 01:00:00 on 2026-05-13.
The best air quality in Selsey, West Sussex was recorded at 10:00:00 on 2026-05-14.
The real-time air quality index in Selsey, West Sussex is 27, currently categorized as Good.
The most common pollutant in Selsey, West Sussex is O3.
If the air quality in Selsey, West Sussex is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Selsey, West Sussex at present are 2.567 μg/m3.
The current PM10 levels in Selsey, West Sussex are 6.395 μg/m3.
The current carbon monoxide (CO) level in Selsey, West Sussex is 0.108 ppm.
The current sulfur dioxide (SO2) levels in Selsey, West Sussex are 0.589 ppb.
The current ozone (O3) levels at Selsey, West Sussex is 28.705 ppm.
The current nitrogen dioxide (NO2) levels at Selsey, West Sussex is 4.609 ppb.
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