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)
54
Moderate
Cirencester, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.14 μg/m³
0
55
155
255
425
605+
26.66 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
10.74 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cirencester, Gloucestershire
Cirencester, Gloucestershire
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AQI 38
Good
7.10μg/m³
PM2.5
13.55μg/m³
PM10
24.97ppb
O3
0.38ppb
SO2
8.60ppb
NO2
0.24ppm
CO
AQI 38
Good
6.96μg/m³
PM2.5
7.40μg/m³
PM10
25.13ppb
O3
0.38ppb
SO2
11.35ppb
NO2
0.24ppm
CO
AQI 60
Moderate
14.05μg/m³
PM2.5
24.77μg/m³
PM10
24.30ppb
O3
0.42ppb
SO2
10.19ppb
NO2
0.21ppm
CO
AQI 56
Moderate
12.04μg/m³
PM2.5
17.06μg/m³
PM10
16.96ppb
O3
0.42ppb
SO2
14.67ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.13μg/m³
PM2.5
23.31μg/m³
PM10
27.66ppb
O3
0.38ppb
SO2
10.74ppb
NO2
0.23ppm
CO
AQI 23
Good
1.40μg/m³
PM2.5
7.02μg/m³
PM10
25.19ppb
O3
0.38ppb
SO2
11.78ppb
NO2
0.23ppm
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 04:00:00 on 2026-03-06.
In the last 24 hrs, the best air quality in Cirencester, Gloucestershire was observed at 11:00:00 on 2026-03-06.
The current air quality in Cirencester, Gloucestershire is 54, 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 11.179 μg/m3.
The current PM10 concentration at Cirencester, Gloucestershire is 17.14 μg/m3.
The current carbon monoxide (CO) concentration at Cirencester, Gloucestershire is 0.217 ppm.
The current sulfur dioxide (SO2) concentration at Cirencester, Gloucestershire is 0.39 ppb.
The current ozone (O3) concentration at Cirencester, Gloucestershire is 26.661 ppm.
The current nitrogen dioxide (NO2) concentration at Cirencester, Gloucestershire is 10.736 ppb.
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