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)
25
Good
Keynsham, Bath and North East Somerset
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.12 μg/m³
0
55
155
255
425
605+
26.96 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
23.64 ppb
0
54
101
361
1250
2050+
0.31 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 25
Good
4.38μg/m³
PM2.5
11.28μg/m³
PM10
27.06ppb
O3
0.45ppb
SO2
24.78ppb
NO2
0.31ppm
CO
AQI 25
Good
4.36μg/m³
PM2.5
11.44μg/m³
PM10
27.12ppb
O3
0.46ppb
SO2
25.59ppb
NO2
0.31ppm
CO
AQI 25
Good
4.27μg/m³
PM2.5
11.29μg/m³
PM10
27.22ppb
O3
0.46ppb
SO2
24.99ppb
NO2
0.31ppm
CO
AQI 25
Good
4.13μg/m³
PM2.5
11.11μg/m³
PM10
27.35ppb
O3
0.46ppb
SO2
24.25ppb
NO2
0.31ppm
CO
AQI 24
Good
4.38μg/m³
PM2.5
7.78μg/m³
PM10
26.16ppb
O3
0.45ppb
SO2
13.03ppb
NO2
0.31ppm
CO
AQI 25
Good
4.27μg/m³
PM2.5
11.29μg/m³
PM10
27.22ppb
O3
0.46ppb
SO2
24.99ppb
NO2
0.31ppm
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 10:00:00 on 2026-09-27.
In the last 24 hrs, the best air quality in Keynsham, Bath and North East Somerset was observed at 04:00:00 on 2026-09-28.
The current air quality in Keynsham, Bath and North East Somerset is 25, 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 4.33 μg/m3.
The current PM10 concentration at Keynsham, Bath and North East Somerset is 11.123 μg/m3.
The current carbon monoxide (CO) concentration at Keynsham, Bath and North East Somerset is 0.312 ppm.
The current sulfur dioxide (SO2) concentration at Keynsham, Bath and North East Somerset is 0.453 ppb.
The current ozone (O3) concentration at Keynsham, Bath and North East Somerset is 26.965 ppm.
The current nitrogen dioxide (NO2) concentration at Keynsham, Bath and North East Somerset is 23.637 ppb.
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