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)
37
Good
Bolton, Greater Manchester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.07 μg/m³
0
55
155
255
425
605+
40.18 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
1.64 ppb
0
54
101
361
1250
2050+
0.09 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Bolton, Greater Manchester
Bolton, Greater Manchester
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AQI 36
Good
4.64μg/m³
PM2.5
11.46μg/m³
PM10
38.71ppb
O3
0.45ppb
SO2
1.71ppb
NO2
0.09ppm
CO
AQI 36
Good
4.76μg/m³
PM2.5
10.63μg/m³
PM10
39.37ppb
O3
0.45ppb
SO2
1.69ppb
NO2
0.09ppm
CO
AQI 37
Good
4.73μg/m³
PM2.5
9.88μg/m³
PM10
39.86ppb
O3
0.45ppb
SO2
1.55ppb
NO2
0.09ppm
CO
AQI 36
Good
4.91μg/m³
PM2.5
10.75μg/m³
PM10
39.44ppb
O3
0.45ppb
SO2
1.63ppb
NO2
0.09ppm
CO
AQI 36
Good
4.91μg/m³
PM2.5
10.75μg/m³
PM10
39.44ppb
O3
0.45ppb
SO2
1.63ppb
NO2
0.09ppm
CO
AQI 34
Good
4.19μg/m³
PM2.5
13.02μg/m³
PM10
37.40ppb
O3
0.45ppb
SO2
1.43ppb
NO2
0.09ppm
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 08:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Bolton, Greater Manchester was observed at 01:00:00 on 2026-03-29.
As of now, the AQI in Bolton, Greater Manchester is 37, indicating Good conditions.
Bolton, Greater Manchester air has the highest levels of O3.
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 4.54 μg/m3.
The PM10 concentration in Bolton, Greater Manchester is 10.075 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bolton, Greater Manchester is 0.087 ppm.
Currently, Bolton, Greater Manchester has a sulfur dioxide (SO2) concentration of 0.445 ppb.
The current ozone (O3) level in Bolton, Greater Manchester at the moment is 40.179 ppm.
Nitrogen dioxide (NO2) level in Bolton, Greater Manchester at the moment is 1.638 ppb.
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