Stay updated with real-time air quality in Cheltenham, Gloucestershire 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)
33
Good
Cheltenham, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.59 μg/m³
0
55
155
255
425
605+
14.35 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
7.43 ppb
0
54
101
361
1250
2050+
0.53 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cheltenham, Gloucestershire
Cheltenham, Gloucestershire
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AQI 33
Good
6.36μg/m³
PM2.5
13.56μg/m³
PM10
11.57ppb
O3
0.76ppb
SO2
8.53ppb
NO2
0.63ppm
CO
AQI 33
Good
6.38μg/m³
PM2.5
18.25μg/m³
PM10
13.86ppb
O3
0.76ppb
SO2
7.76ppb
NO2
0.63ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
17.57μg/m³
PM10
13.52ppb
O3
0.76ppb
SO2
7.89ppb
NO2
0.63ppm
CO
AQI 27
Good
5.42μg/m³
PM2.5
16.41μg/m³
PM10
14.28ppb
O3
0.76ppb
SO2
13.06ppb
NO2
0.63ppm
CO
AQI 27
Good
4.86μg/m³
PM2.5
10.22μg/m³
PM10
10.73ppb
O3
0.76ppb
SO2
11.85ppb
NO2
0.63ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
19.17μg/m³
PM10
16.85ppb
O3
0.76ppb
SO2
11.90ppb
NO2
0.63ppm
CO
The air quality data for Gloucestershire, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Cheltenham, Gloucestershire are available every hour.
Cheltenham, Gloucestershire experienced its worst air quality at 10:00:00, 2026-02-11.
The best air quality in Cheltenham, Gloucestershire was observed at 03:00:00 on 2026-02-11.
The air quality in Cheltenham, Gloucestershire right now is Good, with an AQI of 33.
In Cheltenham, Gloucestershire, PM2.5 is the most frequently found pollutant.
When air quality in Cheltenham, Gloucestershire is compromised, staying indoors and wearing a mask can reduce health risks.
Cheltenham, Gloucestershire currently has a PM2.5 concentration of 6.355 μg/m3.
Cheltenham, Gloucestershire currently has a PM10 concentration of 19.587 μg/m3.
The current carbon monoxide (CO) level in Cheltenham, Gloucestershire is 0.531 ppm.
The current sulfur dioxide (SO2) concentration in Cheltenham, Gloucestershire is 0.629 ppb.
Cheltenham, Gloucestershire currently has an ozone (O3) concentration of 14.345 ppm.
The current level of nitrogen dioxide (NO2) in Cheltenham, Gloucestershire is 7.431 ppb.
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