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)
49
Good
Cirencester, Gloucestershire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.14 μg/m³
0
55
155
255
425
605+
38.96 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
6.94 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 49
Good
9.29μg/m³
PM2.5
16.72μg/m³
PM10
39.12ppb
O3
0.96ppb
SO2
8.34ppb
NO2
0.11ppm
CO
AQI 49
Good
9.36μg/m³
PM2.5
16.82μg/m³
PM10
37.04ppb
O3
0.96ppb
SO2
7.77ppb
NO2
0.11ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
16.88μg/m³
PM10
38.35ppb
O3
0.98ppb
SO2
5.34ppb
NO2
0.11ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
16.97μg/m³
PM10
43.74ppb
O3
1.05ppb
SO2
2.74ppb
NO2
0.11ppm
CO
AQI 49
Good
9.38μg/m³
PM2.5
17.49μg/m³
PM10
38.54ppb
O3
0.97ppb
SO2
7.54ppb
NO2
0.11ppm
CO
AQI 49
Good
9.36μg/m³
PM2.5
16.85μg/m³
PM10
37.09ppb
O3
0.96ppb
SO2
7.74ppb
NO2
0.11ppm
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 07:00:00 on 2026-07-09.
In the last 24 hrs, the best air quality in Cirencester, Gloucestershire was observed at 09:00:00 on 2026-07-09.
The current air quality in Cirencester, Gloucestershire is 49, 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 9.319 μg/m3.
The current PM10 concentration at Cirencester, Gloucestershire is 18.141 μg/m3.
The current carbon monoxide (CO) concentration at Cirencester, Gloucestershire is 0.113 ppm.
The current sulfur dioxide (SO2) concentration at Cirencester, Gloucestershire is 0.959 ppb.
The current ozone (O3) concentration at Cirencester, Gloucestershire is 38.963 ppm.
The current nitrogen dioxide (NO2) concentration at Cirencester, Gloucestershire is 6.944 ppb.
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