Stay updated with real-time air quality in Corsham, Wiltshire 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
Corsham, Wiltshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.24 μg/m³
0
55
155
255
425
605+
27.70 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
8.28 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Corsham, Wiltshire
Corsham, Wiltshire
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AQI 38
Good
7.38μg/m³
PM2.5
17.19μg/m³
PM10
26.68ppb
O3
0.48ppb
SO2
10.15ppb
NO2
0.13ppm
CO
AQI 49
Good
9.30μg/m³
PM2.5
20.22μg/m³
PM10
27.93ppb
O3
0.48ppb
SO2
8.75ppb
NO2
0.13ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
16.23μg/m³
PM10
27.93ppb
O3
0.48ppb
SO2
11.17ppb
NO2
0.13ppm
CO
AQI 44
Good
8.47μg/m³
PM2.5
21.90μg/m³
PM10
28.42ppb
O3
0.46ppb
SO2
7.22ppb
NO2
0.13ppm
CO
AQI 49
Good
9.32μg/m³
PM2.5
23.78μg/m³
PM10
26.18ppb
O3
0.44ppb
SO2
6.30ppb
NO2
0.13ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
28.40μg/m³
PM10
28.26ppb
O3
0.48ppb
SO2
7.53ppb
NO2
0.13ppm
CO
Air quality and pollutant data for Wiltshire, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Corsham, Wiltshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Corsham, Wiltshire was at its worst at 08:00:00 on 2026-05-21.
In the last 24 hours, the best air quality in Corsham, Wiltshire was observed at 09:00:00 on 2026-05-21.
As of now, the AQI in Corsham, Wiltshire is 49, indicating Good conditions.
Corsham, Wiltshire air has the highest levels of PM2.5.
Poor air quality in Corsham, Wiltshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Corsham, Wiltshire are currently 9.184 μg/m3.
The PM10 concentration in Corsham, Wiltshire is 16.242 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Corsham, Wiltshire is 0.134 ppm.
Currently, Corsham, Wiltshire has a sulfur dioxide (SO2) concentration of 0.477 ppb.
The current ozone (O3) level in Corsham, Wiltshire at the moment is 27.698 ppm.
Nitrogen dioxide (NO2) level in Corsham, Wiltshire at the moment is 8.276 ppb.
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