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)
18
Good
Cheshire West and Chester, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.75 μg/m³
0
55
155
255
425
605+
19.09 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
3.69 ppb
0
54
101
361
1250
2050+
0.29 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
Scroll To Air Quality MapLoading...
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 23
Good
1.33μg/m³
PM2.5
3.48μg/m³
PM10
25.37ppb
O3
0.51ppb
SO2
4.71ppb
NO2
0.06ppm
CO
AQI 24
Good
1.38μg/m³
PM2.5
4.26μg/m³
PM10
25.85ppb
O3
0.57ppb
SO2
6.04ppb
NO2
0.07ppm
CO
AQI 22
Good
1.06μg/m³
PM2.5
2.96μg/m³
PM10
23.69ppb
O3
0.47ppb
SO2
6.70ppb
NO2
0.06ppm
CO
AQI 22
Good
1.86μg/m³
PM2.5
5.09μg/m³
PM10
24.33ppb
O3
0.48ppb
SO2
7.49ppb
NO2
0.06ppm
CO
AQI 24
Good
1.02μg/m³
PM2.5
3.05μg/m³
PM10
25.68ppb
O3
0.46ppb
SO2
4.65ppb
NO2
0.05ppm
CO
AQI 24
Good
0.91μg/m³
PM2.5
3.04μg/m³
PM10
25.63ppb
O3
0.46ppb
SO2
3.74ppb
NO2
0.06ppm
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 07:00:00 on 2026-10-04.
The best air quality in Cheshire West and Chester, UK was recorded at 08:00:00 on 2026-10-05.
The real-time air quality index in Cheshire West and Chester, UK is 23, 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 1.257 μg/m3.
The current PM10 levels in Cheshire West and Chester, UK are 3.103 μg/m3.
The current carbon monoxide (CO) level in Cheshire West and Chester, UK is 0.062 ppm.
The current sulfur dioxide (SO2) levels in Cheshire West and Chester, UK are 0.541 ppb.
The current ozone (O3) levels at Cheshire West and Chester, UK is 24.804 ppm.
The current nitrogen dioxide (NO2) levels at Cheshire West and Chester, UK is 4.477 ppb.
All Rights Reserved © Ambee Inc. 2025