Stay updated with real-time air quality in Weymouth, 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)
28
Good
Weymouth, Dorset
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.95 μg/m³
0
55
155
255
425
605+
29.95 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
1.65 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Weymouth, Dorset
Weymouth, Dorset
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AQI 26
Good
3.96μg/m³
PM2.5
14.86μg/m³
PM10
28.35ppb
O3
0.59ppb
SO2
1.67ppb
NO2
0.24ppm
CO
AQI 28
Good
3.19μg/m³
PM2.5
13.84μg/m³
PM10
30.13ppb
O3
0.65ppb
SO2
1.68ppb
NO2
0.24ppm
CO
AQI 28
Good
4.34μg/m³
PM2.5
8.25μg/m³
PM10
29.84ppb
O3
0.55ppb
SO2
1.61ppb
NO2
0.24ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
19.32μg/m³
PM10
29.16ppb
O3
0.53ppb
SO2
1.20ppb
NO2
0.24ppm
CO
AQI 25
Good
3.40μg/m³
PM2.5
7.49μg/m³
PM10
27.43ppb
O3
0.64ppb
SO2
2.07ppb
NO2
0.24ppm
CO
AQI 25
Good
3.25μg/m³
PM2.5
6.89μg/m³
PM10
26.75ppb
O3
0.65ppb
SO2
2.04ppb
NO2
0.24ppm
CO
Air quality measurements for Dorset, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Weymouth, Dorset is updated on an hourly basis.
The worst air quality in Weymouth, Dorset was recorded at 07:00:00 on 2025-06-06.
The best air quality in Weymouth, Dorset was recorded at 11:00:00 on 2025-06-06.
The real-time air quality index in Weymouth, Dorset is 28, currently categorized as Good.
The most common pollutant in Weymouth, Dorset is O3.
If the air quality in Weymouth, Dorset is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Weymouth, Dorset at present are 3.993 μg/m3.
The current PM10 levels in Weymouth, Dorset are 14.945 μg/m3.
The current carbon monoxide (CO) level in Weymouth, Dorset is 0.242 ppm.
The current sulfur dioxide (SO2) levels in Weymouth, Dorset are 0.503 ppb.
The current ozone (O3) levels at Weymouth, Dorset is 29.946 ppm.
The current nitrogen dioxide (NO2) levels at Weymouth, Dorset is 1.647 ppb.
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