Stay updated with real-time air quality in Cheshire West and Chester, UK 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
Cheshire West and Chester, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.10 μg/m³
0
55
155
255
425
605+
29.15 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
3.14 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cheshire West and Chester, UK
Cheshire West and Chester, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 29
Good
3.43μg/m³
PM2.5
8.23μg/m³
PM10
31.09ppb
O3
0.41ppb
SO2
4.67ppb
NO2
0.17ppm
CO
AQI 27
Good
3.88μg/m³
PM2.5
12.78μg/m³
PM10
29.25ppb
O3
0.41ppb
SO2
4.32ppb
NO2
0.17ppm
CO
AQI 27
Good
3.49μg/m³
PM2.5
8.65μg/m³
PM10
29.47ppb
O3
0.43ppb
SO2
5.08ppb
NO2
0.17ppm
CO
AQI 29
Good
3.84μg/m³
PM2.5
10.21μg/m³
PM10
31.02ppb
O3
0.41ppb
SO2
4.95ppb
NO2
0.17ppm
CO
AQI 31
Good
3.96μg/m³
PM2.5
8.20μg/m³
PM10
32.93ppb
O3
0.50ppb
SO2
7.23ppb
NO2
0.17ppm
CO
AQI 28
Good
3.52μg/m³
PM2.5
8.74μg/m³
PM10
30.15ppb
O3
0.48ppb
SO2
3.56ppb
NO2
0.17ppm
CO
Air quality measurements for Cheshire West and Chester, 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 Cheshire West and Chester, UK is updated on an hourly basis.
The worst air quality in Cheshire West and Chester, UK was recorded at 11:00:00 on 2026-06-28.
The best air quality in Cheshire West and Chester, UK was recorded at 10:00:00 on 2026-06-29.
The real-time air quality index in Cheshire West and Chester, UK is 27, currently categorized as Good.
The most common pollutant in Cheshire West and Chester, UK is O3.
If the air quality in Cheshire West and Chester, UK is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Cheshire West and Chester, UK at present are 3.85 μg/m3.
The current PM10 levels in Cheshire West and Chester, UK are 11.099 μg/m3.
The current carbon monoxide (CO) level in Cheshire West and Chester, UK is 0.173 ppm.
The current sulfur dioxide (SO2) levels in Cheshire West and Chester, UK are 0.419 ppb.
The current ozone (O3) levels at Cheshire West and Chester, UK is 29.152 ppm.
The current nitrogen dioxide (NO2) levels at Cheshire West and Chester, UK is 3.137 ppb.
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