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)
33
Good
Bolton, Greater Manchester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.70 μg/m³
0
55
155
255
425
605+
35.68 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
3.50 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Bolton, Greater Manchester
Bolton, Greater Manchester
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AQI 33
Good
3.41μg/m³
PM2.5
10.93μg/m³
PM10
35.66ppb
O3
0.80ppb
SO2
3.76ppb
NO2
0.15ppm
CO
AQI 33
Good
3.46μg/m³
PM2.5
10.51μg/m³
PM10
36.11ppb
O3
0.82ppb
SO2
3.81ppb
NO2
0.15ppm
CO
AQI 33
Good
3.44μg/m³
PM2.5
10.06μg/m³
PM10
36.27ppb
O3
0.83ppb
SO2
3.83ppb
NO2
0.15ppm
CO
AQI 34
Good
3.53μg/m³
PM2.5
10.49μg/m³
PM10
36.69ppb
O3
0.81ppb
SO2
3.98ppb
NO2
0.15ppm
CO
AQI 34
Good
3.53μg/m³
PM2.5
10.49μg/m³
PM10
36.69ppb
O3
0.81ppb
SO2
3.98ppb
NO2
0.15ppm
CO
AQI 32
Good
3.14μg/m³
PM2.5
11.47μg/m³
PM10
34.64ppb
O3
0.78ppb
SO2
3.64ppb
NO2
0.15ppm
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 2026-06-09.
In the last 24 hours, the best air quality in Bolton, Greater Manchester was observed at 10:00:00 on 2026-06-09.
As of now, the AQI in Bolton, Greater Manchester is 33, 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 3.319 μg/m3.
The PM10 concentration in Bolton, Greater Manchester is 9.695 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bolton, Greater Manchester is 0.149 ppm.
Currently, Bolton, Greater Manchester has a sulfur dioxide (SO2) concentration of 0.861 ppb.
The current ozone (O3) level in Bolton, Greater Manchester at the moment is 35.678 ppm.
Nitrogen dioxide (NO2) level in Bolton, Greater Manchester at the moment is 3.5 ppb.
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