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)
22
Good
Cheltenham, Gloucestershire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.48 μg/m³
0
55
155
255
425
605+
21.41 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
3.33 ppb
0
54
101
361
1250
2050+
0.05 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cheltenham, Gloucestershire
Cheltenham, Gloucestershire
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AQI 20
Good
2.79μg/m³
PM2.5
5.77μg/m³
PM10
22.08ppb
O3
0.59ppb
SO2
2.57ppb
NO2
0.24ppm
CO
AQI 20
Good
1.81μg/m³
PM2.5
6.60μg/m³
PM10
22.24ppb
O3
0.59ppb
SO2
1.90ppb
NO2
0.24ppm
CO
AQI 20
Good
1.79μg/m³
PM2.5
6.59μg/m³
PM10
22.11ppb
O3
0.59ppb
SO2
1.89ppb
NO2
0.24ppm
CO
AQI 23
Good
2.15μg/m³
PM2.5
6.40μg/m³
PM10
24.57ppb
O3
0.60ppb
SO2
1.99ppb
NO2
0.24ppm
CO
AQI 20
Good
1.75μg/m³
PM2.5
6.46μg/m³
PM10
22.04ppb
O3
0.60ppb
SO2
1.76ppb
NO2
0.24ppm
CO
AQI 22
Good
1.73μg/m³
PM2.5
6.27μg/m³
PM10
24.25ppb
O3
0.59ppb
SO2
1.75ppb
NO2
0.24ppm
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, 2025-07-22.
The best air quality in Cheltenham, Gloucestershire was observed at 06:00:00 on 2025-07-22.
The air quality in Cheltenham, Gloucestershire right now is Good, with an AQI of 20.
In Cheltenham, Gloucestershire, O3 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 2.581 μg/m3.
Cheltenham, Gloucestershire currently has a PM10 concentration of 5.899 μg/m3.
The current carbon monoxide (CO) level in Cheltenham, Gloucestershire is 0.24 ppm.
The current sulfur dioxide (SO2) concentration in Cheltenham, Gloucestershire is 0.712 ppb.
Cheltenham, Gloucestershire currently has an ozone (O3) concentration of 21.522 ppm.
The current level of nitrogen dioxide (NO2) in Cheltenham, Gloucestershire is 2.557 ppb.
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