Stay updated with real-time air quality in Bolton, Greater Manchester 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)
54
Moderate
Bolton, Greater Manchester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.73 μg/m³
0
55
155
255
425
605+
14.12 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
10.18 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Bolton, Greater Manchester
Bolton, Greater Manchester
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AQI 52
Moderate
10.32μg/m³
PM2.5
20.59μg/m³
PM10
16.39ppb
O3
0.70ppb
SO2
11.55ppb
NO2
0.08ppm
CO
AQI 54
Moderate
11.22μg/m³
PM2.5
20.70μg/m³
PM10
16.91ppb
O3
0.70ppb
SO2
11.67ppb
NO2
0.08ppm
CO
AQI 56
Moderate
11.70μg/m³
PM2.5
20.57μg/m³
PM10
17.24ppb
O3
0.70ppb
SO2
11.37ppb
NO2
0.08ppm
CO
AQI 56
Moderate
11.67μg/m³
PM2.5
21.22μg/m³
PM10
17.03ppb
O3
0.70ppb
SO2
11.22ppb
NO2
0.08ppm
CO
AQI 56
Moderate
11.67μg/m³
PM2.5
21.22μg/m³
PM10
17.03ppb
O3
0.70ppb
SO2
11.22ppb
NO2
0.08ppm
CO
AQI 44
Good
8.10μg/m³
PM2.5
20.16μg/m³
PM10
15.15ppb
O3
0.70ppb
SO2
10.05ppb
NO2
0.08ppm
CO
Air quality and pollutant data for Greater Manchester, 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 Bolton, Greater Manchester is updated every hour for accuracy.
In the past 24 hours, the air quality in Bolton, Greater Manchester was at its worst at 09:00:00 on 2025-11-06.
In the last 24 hours, the best air quality in Bolton, Greater Manchester was observed at 12:00:00 on 2025-11-07.
As of now, the AQI in Bolton, Greater Manchester is 54, indicating Moderate conditions.
Bolton, Greater Manchester air has the highest levels of PM2.5.
Poor air quality in Bolton, Greater Manchester means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Bolton, Greater Manchester are currently 11.491 μg/m3.
The PM10 concentration in Bolton, Greater Manchester is 21.045 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bolton, Greater Manchester is 0.081 ppm.
Currently, Bolton, Greater Manchester has a sulfur dioxide (SO2) concentration of 0.702 ppb.
The current ozone (O3) level in Bolton, Greater Manchester at the moment is 16.708 ppm.
Nitrogen dioxide (NO2) level in Bolton, Greater Manchester at the moment is 11.228 ppb.
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