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)
24
Good
Bolton, Greater Manchester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.61 μg/m³
0
55
155
255
425
605+
25.62 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
3.40 ppb
0
54
101
361
1250
2050+
0.11 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 22
Good
2.80μg/m³
PM2.5
7.40μg/m³
PM10
23.64ppb
O3
0.73ppb
SO2
4.76ppb
NO2
0.12ppm
CO
AQI 22
Good
2.91μg/m³
PM2.5
6.96μg/m³
PM10
23.98ppb
O3
0.73ppb
SO2
4.57ppb
NO2
0.12ppm
CO
AQI 22
Good
2.97μg/m³
PM2.5
6.57μg/m³
PM10
24.02ppb
O3
0.72ppb
SO2
4.22ppb
NO2
0.12ppm
CO
AQI 22
Good
2.91μg/m³
PM2.5
6.90μg/m³
PM10
24.35ppb
O3
0.73ppb
SO2
4.71ppb
NO2
0.12ppm
CO
AQI 22
Good
2.91μg/m³
PM2.5
6.90μg/m³
PM10
24.35ppb
O3
0.73ppb
SO2
4.71ppb
NO2
0.12ppm
CO
AQI 21
Good
2.46μg/m³
PM2.5
8.10μg/m³
PM10
22.65ppb
O3
0.73ppb
SO2
4.73ppb
NO2
0.12ppm
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 2026-05-13.
In the last 24 hours, the best air quality in Bolton, Greater Manchester was observed at 08:00:00 on 2026-05-14.
As of now, the AQI in Bolton, Greater Manchester is 24, 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 2.715 μg/m3.
The PM10 concentration in Bolton, Greater Manchester is 6.607 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bolton, Greater Manchester is 0.108 ppm.
Currently, Bolton, Greater Manchester has a sulfur dioxide (SO2) concentration of 0.717 ppb.
The current ozone (O3) level in Bolton, Greater Manchester at the moment is 25.617 ppm.
Nitrogen dioxide (NO2) level in Bolton, Greater Manchester at the moment is 3.401 ppb.
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