Stay updated with real-time air quality in Dorchester, Dorset 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)
25
Good
Dorchester, Dorset
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.82 μg/m³
0
55
155
255
425
605+
27.19 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
2.72 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Dorchester, Dorset
Dorchester, Dorset
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AQI 24
Good
3.28μg/m³
PM2.5
12.05μg/m³
PM10
26.15ppb
O3
0.45ppb
SO2
2.63ppb
NO2
0.17ppm
CO
AQI 25
Good
2.67μg/m³
PM2.5
6.57μg/m³
PM10
26.74ppb
O3
0.48ppb
SO2
3.29ppb
NO2
0.17ppm
CO
AQI 22
Good
2.96μg/m³
PM2.5
6.37μg/m³
PM10
23.58ppb
O3
0.43ppb
SO2
2.54ppb
NO2
0.17ppm
CO
AQI 21
Good
3.03μg/m³
PM2.5
7.12μg/m³
PM10
23.40ppb
O3
0.47ppb
SO2
3.41ppb
NO2
0.17ppm
CO
AQI 21
Good
3.01μg/m³
PM2.5
7.09μg/m³
PM10
23.45ppb
O3
0.47ppb
SO2
3.04ppb
NO2
0.17ppm
CO
AQI 25
Good
3.59μg/m³
PM2.5
11.44μg/m³
PM10
26.71ppb
O3
0.44ppb
SO2
2.28ppb
NO2
0.17ppm
CO
Air quality and pollutant data for Dorset, 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 Dorchester, Dorset is updated every hour for accuracy.
In the past 24 hours, the air quality in Dorchester, Dorset was at its worst at 10:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Dorchester, Dorset was observed at 08:00:00 on 2025-06-07.
As of now, the AQI in Dorchester, Dorset is 25, indicating Good conditions.
Dorchester, Dorset air has the highest levels of O3.
Poor air quality in Dorchester, Dorset means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Dorchester, Dorset are currently 3.315 μg/m3.
The PM10 concentration in Dorchester, Dorset is 11.822 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dorchester, Dorset is 0.155 ppm.
Currently, Dorchester, Dorset has a sulfur dioxide (SO2) concentration of 0.441 ppb.
The current ozone (O3) level in Dorchester, Dorset at the moment is 27.189 ppm.
Nitrogen dioxide (NO2) level in Dorchester, Dorset at the moment is 2.722 ppb.
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