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)
44
Good
Bolton, Greater Manchester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.79 μg/m³
0
55
155
255
425
605+
21.74 ppb
0
55
71
86
201
201+
1.01 ppb
0
36
76
186
605
1005+
28.41 ppb
0
54
101
361
1250
2050+
0.77 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bolton, Greater Manchester
Bolton, Greater Manchester
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AQI 44
Good
8.10μg/m³
PM2.5
21.88μg/m³
PM10
20.97ppb
O3
1.00ppb
SO2
28.97ppb
NO2
0.77ppm
CO
AQI 49
Good
8.69μg/m³
PM2.5
20.92μg/m³
PM10
21.23ppb
O3
1.01ppb
SO2
28.16ppb
NO2
0.77ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
19.67μg/m³
PM10
21.59ppb
O3
1.01ppb
SO2
26.74ppb
NO2
0.77ppm
CO
AQI 49
Good
9.13μg/m³
PM2.5
21.82μg/m³
PM10
20.97ppb
O3
1.01ppb
SO2
28.16ppb
NO2
0.77ppm
CO
AQI 49
Good
9.13μg/m³
PM2.5
21.82μg/m³
PM10
20.97ppb
O3
1.01ppb
SO2
28.16ppb
NO2
0.77ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
23.07μg/m³
PM10
20.71ppb
O3
1.00ppb
SO2
28.94ppb
NO2
0.77ppm
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 2026-11-12.
In the last 24 hours, the best air quality in Bolton, Greater Manchester was observed at 02:00:00 on 2026-11-12.
As of now, the AQI in Bolton, Greater Manchester is 44, indicating Good 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 7.85 μg/m3.
The PM10 concentration in Bolton, Greater Manchester is 18.79 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bolton, Greater Manchester is 0.766 ppm.
Currently, Bolton, Greater Manchester has a sulfur dioxide (SO2) concentration of 1.012 ppb.
The current ozone (O3) level in Bolton, Greater Manchester at the moment is 21.739 ppm.
Nitrogen dioxide (NO2) level in Bolton, Greater Manchester at the moment is 28.407 ppb.
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