Stay updated with real-time air quality in Keynsham, Bath and North East Somerset 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)
31
Good
Keynsham, Bath and North East Somerset
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.71 μg/m³
0
55
155
255
425
605+
33.32 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
3.88 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Keynsham, Bath and North East Somerset
Keynsham, Bath and North East Somerset
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AQI 31
Good
4.88μg/m³
PM2.5
11.56μg/m³
PM10
33.27ppb
O3
0.42ppb
SO2
4.76ppb
NO2
0.13ppm
CO
AQI 31
Good
5.12μg/m³
PM2.5
11.80μg/m³
PM10
33.55ppb
O3
0.38ppb
SO2
4.72ppb
NO2
0.13ppm
CO
AQI 31
Good
5.25μg/m³
PM2.5
11.70μg/m³
PM10
33.82ppb
O3
0.38ppb
SO2
4.28ppb
NO2
0.13ppm
CO
AQI 31
Good
5.33μg/m³
PM2.5
11.69μg/m³
PM10
34.01ppb
O3
0.37ppb
SO2
4.11ppb
NO2
0.13ppm
CO
AQI 31
Good
4.70μg/m³
PM2.5
11.14μg/m³
PM10
33.44ppb
O3
0.34ppb
SO2
3.07ppb
NO2
0.13ppm
CO
AQI 31
Good
5.25μg/m³
PM2.5
11.70μg/m³
PM10
33.82ppb
O3
0.38ppb
SO2
4.28ppb
NO2
0.13ppm
CO
Air quality data and pollutant measurements for Bath and North East Somerset, 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 Keynsham, Bath and North East Somerset is updated every hour.
The worst air quality in Keynsham, Bath and North East Somerset in the last 24 hours was observed at 09:00:00 on 2025-12-27.
In the last 24 hrs, the best air quality in Keynsham, Bath and North East Somerset was observed at 08:00:00 on 2025-12-28.
The current air quality in Keynsham, Bath and North East Somerset is 31, categorized as Good based on real-time data.
The most common pollutant in Keynsham, Bath and North East Somerset is O3.
If the air quality in Keynsham, Bath and North East Somerset is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Keynsham, Bath and North East Somerset is 4.811 μg/m3.
The current PM10 concentration at Keynsham, Bath and North East Somerset is 11.711 μg/m3.
The current carbon monoxide (CO) concentration at Keynsham, Bath and North East Somerset is 0.126 ppm.
The current sulfur dioxide (SO2) concentration at Keynsham, Bath and North East Somerset is 0.373 ppb.
The current ozone (O3) concentration at Keynsham, Bath and North East Somerset is 33.317 ppm.
The current nitrogen dioxide (NO2) concentration at Keynsham, Bath and North East Somerset is 3.885 ppb.
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