Stay updated with real-time air quality in Cirencester, 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)
31
Good
Cirencester, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.95 μg/m³
0
55
155
255
425
605+
32.61 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
2.28 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cirencester, Gloucestershire
Cirencester, Gloucestershire
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AQI 33
Good
5.56μg/m³
PM2.5
14.09μg/m³
PM10
30.46ppb
O3
0.34ppb
SO2
3.19ppb
NO2
0.13ppm
CO
AQI 33
Good
5.64μg/m³
PM2.5
14.77μg/m³
PM10
29.77ppb
O3
0.36ppb
SO2
3.65ppb
NO2
0.13ppm
CO
AQI 30
Good
5.32μg/m³
PM2.5
13.67μg/m³
PM10
31.76ppb
O3
0.34ppb
SO2
3.30ppb
NO2
0.13ppm
CO
AQI 33
Good
5.94μg/m³
PM2.5
13.67μg/m³
PM10
30.98ppb
O3
0.38ppb
SO2
3.44ppb
NO2
0.13ppm
CO
AQI 29
Good
5.12μg/m³
PM2.5
14.75μg/m³
PM10
31.11ppb
O3
0.33ppb
SO2
2.92ppb
NO2
0.13ppm
CO
AQI 33
Good
5.50μg/m³
PM2.5
14.79μg/m³
PM10
29.93ppb
O3
0.35ppb
SO2
3.58ppb
NO2
0.13ppm
CO
Air quality data and pollutant measurements for Gloucestershire, UK adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Cirencester, Gloucestershire is updated every hour.
The worst air quality in Cirencester, Gloucestershire in the last 24 hours was observed at 02:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Cirencester, Gloucestershire was observed at 01:00:00 on 2025-12-28.
The current air quality in Cirencester, Gloucestershire is 31, categorized as Good based on real-time data.
The most common pollutant in Cirencester, Gloucestershire is O3.
If the air quality in Cirencester, Gloucestershire is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Cirencester, Gloucestershire is 4.778 μg/m3.
The current PM10 concentration at Cirencester, Gloucestershire is 12.95 μg/m3.
The current carbon monoxide (CO) concentration at Cirencester, Gloucestershire is 0.123 ppm.
The current sulfur dioxide (SO2) concentration at Cirencester, Gloucestershire is 0.335 ppb.
The current ozone (O3) concentration at Cirencester, Gloucestershire is 32.613 ppm.
The current nitrogen dioxide (NO2) concentration at Cirencester, Gloucestershire is 2.28 ppb.
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