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)
49
Good
Dorchester, Dorset
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.98 μg/m³
0
55
155
255
425
605+
25.89 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
1.78 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Dorchester, Dorset
Dorchester, Dorset
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AQI 33
Good
4.07μg/m³
PM2.5
11.92μg/m³
PM10
36.33ppb
O3
0.64ppb
SO2
1.89ppb
NO2
0.07ppm
CO
AQI 29
Good
3.68μg/m³
PM2.5
10.73μg/m³
PM10
30.54ppb
O3
0.62ppb
SO2
1.83ppb
NO2
0.08ppm
CO
AQI 24
Good
3.99μg/m³
PM2.5
9.36μg/m³
PM10
25.58ppb
O3
0.66ppb
SO2
2.98ppb
NO2
0.07ppm
CO
AQI 26
Good
3.70μg/m³
PM2.5
9.48μg/m³
PM10
27.94ppb
O3
0.64ppb
SO2
2.00ppb
NO2
0.07ppm
CO
AQI 28
Good
3.71μg/m³
PM2.5
9.58μg/m³
PM10
29.54ppb
O3
0.63ppb
SO2
1.80ppb
NO2
0.07ppm
CO
AQI 24
Good
4.04μg/m³
PM2.5
12.70μg/m³
PM10
26.48ppb
O3
0.67ppb
SO2
2.49ppb
NO2
0.07ppm
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 11:00:00 on 2025-07-20.
In the last 24 hours, the best air quality in Dorchester, Dorset was observed at 02:00:00 on 2025-07-19.
As of now, the AQI in Dorchester, Dorset is 26, 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 3.966 μg/m3.
The PM10 concentration in Dorchester, Dorset is 10.874 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dorchester, Dorset is 0.063 ppm.
Currently, Dorchester, Dorset has a sulfur dioxide (SO2) concentration of 0.577 ppb.
The current ozone (O3) level in Dorchester, Dorset at the moment is 28.127 ppm.
Nitrogen dioxide (NO2) level in Dorchester, Dorset at the moment is 3.056 ppb.
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