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)
27
Good
Cirencester, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.63 μg/m³
0
55
155
255
425
605+
16.50 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
7.82 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Cirencester, Gloucestershire
Cirencester, Gloucestershire
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AQI 33
Good
6.17μg/m³
PM2.5
15.23μg/m³
PM10
19.37ppb
O3
0.81ppb
SO2
14.92ppb
NO2
1.01ppm
CO
AQI 27
Good
5.08μg/m³
PM2.5
16.44μg/m³
PM10
17.51ppb
O3
0.81ppb
SO2
19.46ppb
NO2
1.01ppm
CO
AQI 33
Good
5.77μg/m³
PM2.5
11.32μg/m³
PM10
30.90ppb
O3
0.76ppb
SO2
12.43ppb
NO2
1.01ppm
CO
AQI 31
Good
5.01μg/m³
PM2.5
8.03μg/m³
PM10
32.50ppb
O3
0.76ppb
SO2
15.84ppb
NO2
1.01ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
13.31μg/m³
PM10
18.93ppb
O3
0.82ppb
SO2
14.51ppb
NO2
1.01ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
16.21μg/m³
PM10
17.55ppb
O3
0.81ppb
SO2
19.14ppb
NO2
1.01ppm
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 11:00:00 on 2026-02-11.
In the last 24 hrs, the best air quality in Cirencester, Gloucestershire was observed at 02:00:00 on 2026-02-11.
The current air quality in Cirencester, Gloucestershire is 27, categorized as Good 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 5.368 μg/m3.
The current PM10 concentration at Cirencester, Gloucestershire is 13.629 μg/m3.
The current carbon monoxide (CO) concentration at Cirencester, Gloucestershire is 0.803 ppm.
The current sulfur dioxide (SO2) concentration at Cirencester, Gloucestershire is 0.702 ppb.
The current ozone (O3) concentration at Cirencester, Gloucestershire is 16.497 ppm.
The current nitrogen dioxide (NO2) concentration at Cirencester, Gloucestershire is 7.819 ppb.
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