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)
29
Good
Cirencester, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.51 μg/m³
0
55
155
255
425
605+
31.05 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
6.82 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cirencester, Gloucestershire
Cirencester, Gloucestershire
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AQI 31
Good
3.68μg/m³
PM2.5
9.70μg/m³
PM10
33.02ppb
O3
0.57ppb
SO2
7.06ppb
NO2
0.12ppm
CO
AQI 31
Good
3.41μg/m³
PM2.5
8.95μg/m³
PM10
32.75ppb
O3
0.57ppb
SO2
6.57ppb
NO2
0.12ppm
CO
AQI 29
Good
3.57μg/m³
PM2.5
11.72μg/m³
PM10
31.31ppb
O3
0.57ppb
SO2
4.72ppb
NO2
0.12ppm
CO
AQI 29
Good
2.01μg/m³
PM2.5
4.04μg/m³
PM10
30.61ppb
O3
0.56ppb
SO2
2.18ppb
NO2
0.12ppm
CO
AQI 28
Good
3.62μg/m³
PM2.5
8.62μg/m³
PM10
29.89ppb
O3
0.51ppb
SO2
5.87ppb
NO2
0.12ppm
CO
AQI 31
Good
3.40μg/m³
PM2.5
8.88μg/m³
PM10
32.58ppb
O3
0.57ppb
SO2
6.48ppb
NO2
0.12ppm
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 09:00:00 on 2026-05-13.
In the last 24 hrs, the best air quality in Cirencester, Gloucestershire was observed at 08:00:00 on 2026-05-14.
The current air quality in Cirencester, Gloucestershire is 29, 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 2.828 μg/m3.
The current PM10 concentration at Cirencester, Gloucestershire is 8.509 μg/m3.
The current carbon monoxide (CO) concentration at Cirencester, Gloucestershire is 0.108 ppm.
The current sulfur dioxide (SO2) concentration at Cirencester, Gloucestershire is 0.545 ppb.
The current ozone (O3) concentration at Cirencester, Gloucestershire is 31.053 ppm.
The current nitrogen dioxide (NO2) concentration at Cirencester, Gloucestershire is 6.818 ppb.
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