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)
52
Moderate
Cirencester, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.92 μg/m³
0
55
155
255
425
605+
37.79 ppb
0
55
71
86
201
201+
1.03 ppb
0
36
76
186
605
1005+
7.54 ppb
0
54
101
361
1250
2050+
0.04 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cirencester, Gloucestershire
Cirencester, Gloucestershire
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AQI 49
Good
9.34μg/m³
PM2.5
24.47μg/m³
PM10
37.83ppb
O3
0.81ppb
SO2
9.82ppb
NO2
0.05ppm
CO
AQI 67
Moderate
18.46μg/m³
PM2.5
27.59μg/m³
PM10
23.80ppb
O3
0.87ppb
SO2
8.32ppb
NO2
0.05ppm
CO
AQI 56
Moderate
12.27μg/m³
PM2.5
25.66μg/m³
PM10
40.09ppb
O3
0.78ppb
SO2
8.60ppb
NO2
0.05ppm
CO
AQI 56
Moderate
11.91μg/m³
PM2.5
22.88μg/m³
PM10
44.60ppb
O3
0.76ppb
SO2
6.64ppb
NO2
0.04ppm
CO
AQI 54
Moderate
11.35μg/m³
PM2.5
24.31μg/m³
PM10
22.64ppb
O3
0.89ppb
SO2
5.71ppb
NO2
0.05ppm
CO
AQI 67
Moderate
17.86μg/m³
PM2.5
28.69μg/m³
PM10
23.76ppb
O3
0.88ppb
SO2
8.17ppb
NO2
0.05ppm
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 08:00:00 on 2026-08-13.
In the last 24 hrs, the best air quality in Cirencester, Gloucestershire was observed at 05:00:00 on 2026-08-14.
The current air quality in Cirencester, Gloucestershire is 52, categorized as Moderate based on real-time data.
The most common pollutant in Cirencester, Gloucestershire is PM2.5.
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 9.724 μg/m3.
The current PM10 concentration at Cirencester, Gloucestershire is 24.924 μg/m3.
The current carbon monoxide (CO) concentration at Cirencester, Gloucestershire is 0.042 ppm.
The current sulfur dioxide (SO2) concentration at Cirencester, Gloucestershire is 1.029 ppb.
The current ozone (O3) concentration at Cirencester, Gloucestershire is 37.794 ppm.
The current nitrogen dioxide (NO2) concentration at Cirencester, Gloucestershire is 7.544 ppb.
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