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)
38
Good
Dorchester, Dorset
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.13 μg/m³
0
55
155
255
425
605+
32.75 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
2.04 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Dorchester, Dorset
Dorchester, Dorset
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AQI 38
Good
6.82μg/m³
PM2.5
14.68μg/m³
PM10
34.06ppb
O3
0.64ppb
SO2
2.01ppb
NO2
0.23ppm
CO
AQI 33
Good
6.31μg/m³
PM2.5
17.69μg/m³
PM10
33.58ppb
O3
0.55ppb
SO2
2.17ppb
NO2
0.23ppm
CO
AQI 38
Good
7.17μg/m³
PM2.5
19.51μg/m³
PM10
31.70ppb
O3
0.68ppb
SO2
1.98ppb
NO2
0.23ppm
CO
AQI 38
Good
6.77μg/m³
PM2.5
20.89μg/m³
PM10
32.01ppb
O3
0.59ppb
SO2
2.21ppb
NO2
0.23ppm
CO
AQI 38
Good
6.74μg/m³
PM2.5
11.69μg/m³
PM10
32.05ppb
O3
0.55ppb
SO2
1.98ppb
NO2
0.23ppm
CO
AQI 38
Good
7.32μg/m³
PM2.5
18.90μg/m³
PM10
32.96ppb
O3
0.67ppb
SO2
2.23ppb
NO2
0.23ppm
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 05:00:00 on 2025-06-14.
In the last 24 hours, the best air quality in Dorchester, Dorset was observed at 09:00:00 on 2025-06-15.
As of now, the AQI in Dorchester, Dorset is 38, indicating Good conditions.
Dorchester, Dorset air has the highest levels of PM2.5.
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 6.909 μg/m3.
The PM10 concentration in Dorchester, Dorset is 20.125 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dorchester, Dorset is 0.235 ppm.
Currently, Dorchester, Dorset has a sulfur dioxide (SO2) concentration of 0.615 ppb.
The current ozone (O3) level in Dorchester, Dorset at the moment is 32.751 ppm.
Nitrogen dioxide (NO2) level in Dorchester, Dorset at the moment is 2.035 ppb.
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