Stay updated with real-time air quality in Chichester, 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)
56
Moderate
Chichester, West Sussex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.90 μg/m³
0
55
155
255
425
605+
43.73 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
9.29 ppb
0
54
101
361
1250
2050+
0.04 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Chichester, West Sussex
Chichester, West Sussex
Scroll To Air Quality MapLoading...
AQI 58
Moderate
13.08μg/m³
PM2.5
16.57μg/m³
PM10
45.23ppb
O3
0.57ppb
SO2
7.45ppb
NO2
0.04ppm
CO
AQI 58
Moderate
13.08μg/m³
PM2.5
16.57μg/m³
PM10
45.23ppb
O3
0.57ppb
SO2
7.45ppb
NO2
0.04ppm
CO
AQI 52
Moderate
10.47μg/m³
PM2.5
24.03μg/m³
PM10
41.21ppb
O3
0.58ppb
SO2
7.34ppb
NO2
0.04ppm
CO
AQI 54
Moderate
10.62μg/m³
PM2.5
16.74μg/m³
PM10
41.67ppb
O3
0.58ppb
SO2
11.12ppb
NO2
0.04ppm
CO
AQI 52
Moderate
10.33μg/m³
PM2.5
17.08μg/m³
PM10
45.26ppb
O3
0.68ppb
SO2
15.20ppb
NO2
0.05ppm
CO
AQI 52
Moderate
10.48μg/m³
PM2.5
17.27μg/m³
PM10
45.27ppb
O3
0.68ppb
SO2
15.90ppb
NO2
0.05ppm
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 Chichester, West Sussex is updated on an hourly basis.
The worst air quality in Chichester, West Sussex was recorded at 09:00:00 on 2025-06-12.
The best air quality in Chichester, West Sussex was recorded at 11:00:00 on 2025-06-11.
The real-time air quality index in Chichester, West Sussex is 56, currently categorized as Moderate.
The most common pollutant in Chichester, West Sussex is PM2.5.
If the air quality in Chichester, West Sussex is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Chichester, West Sussex at present are 12.29 μg/m3.
The current PM10 levels in Chichester, West Sussex are 14.901 μg/m3.
The current carbon monoxide (CO) level in Chichester, West Sussex is 0.041 ppm.
The current sulfur dioxide (SO2) levels in Chichester, West Sussex are 0.588 ppb.
The current ozone (O3) levels at Chichester, West Sussex is 43.725 ppm.
The current nitrogen dioxide (NO2) levels at Chichester, West Sussex is 9.295 ppb.
All Rights Reserved © Ambee Inc. 2025