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)
25
Good
Cheshire West and Chester, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.26 μg/m³
0
55
155
255
425
605+
27.48 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
2.77 ppb
0
54
101
361
1250
2050+
0.11 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 21
Good
3.19μg/m³
PM2.5
5.74μg/m³
PM10
23.00ppb
O3
0.72ppb
SO2
2.70ppb
NO2
0.12ppm
CO
AQI 26
Good
3.56μg/m³
PM2.5
11.78μg/m³
PM10
28.12ppb
O3
0.72ppb
SO2
3.31ppb
NO2
0.12ppm
CO
AQI 21
Good
3.32μg/m³
PM2.5
6.80μg/m³
PM10
22.98ppb
O3
0.71ppb
SO2
4.42ppb
NO2
0.12ppm
CO
AQI 20
Good
3.19μg/m³
PM2.5
7.36μg/m³
PM10
22.30ppb
O3
0.72ppb
SO2
5.15ppb
NO2
0.12ppm
CO
AQI 32
Good
3.16μg/m³
PM2.5
7.30μg/m³
PM10
34.57ppb
O3
0.70ppb
SO2
3.61ppb
NO2
0.12ppm
CO
AQI 28
Good
3.25μg/m³
PM2.5
7.69μg/m³
PM10
30.23ppb
O3
0.69ppb
SO2
2.81ppb
NO2
0.12ppm
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 12:00:00 on 2026-05-13.
The best air quality in Cheshire West and Chester, UK was recorded at 11:00:00 on 2026-05-14.
The real-time air quality index in Cheshire West and Chester, UK is 25, 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 3.335 μg/m3.
The current PM10 levels in Cheshire West and Chester, UK are 8.257 μg/m3.
The current carbon monoxide (CO) level in Cheshire West and Chester, UK is 0.108 ppm.
The current sulfur dioxide (SO2) levels in Cheshire West and Chester, UK are 0.715 ppb.
The current ozone (O3) levels at Cheshire West and Chester, UK is 27.477 ppm.
The current nitrogen dioxide (NO2) levels at Cheshire West and Chester, UK is 2.765 ppb.
All Rights Reserved © Ambee Inc. 2025