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)
51
Moderate
Weymouth, Dorset
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.68 μg/m³
0
55
155
255
425
605+
55.35 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
7.86 ppb
0
54
101
361
1250
2050+
0.09 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Weymouth, Dorset
Weymouth, Dorset
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AQI 38
Good
7.36μg/m³
PM2.5
17.46μg/m³
PM10
19.47ppb
O3
0.59ppb
SO2
9.90ppb
NO2
0.08ppm
CO
AQI 38
Good
7.11μg/m³
PM2.5
15.60μg/m³
PM10
20.40ppb
O3
0.58ppb
SO2
9.22ppb
NO2
0.08ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
16.55μg/m³
PM10
14.38ppb
O3
0.59ppb
SO2
11.88ppb
NO2
0.07ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
16.58μg/m³
PM10
23.10ppb
O3
0.63ppb
SO2
10.92ppb
NO2
0.07ppm
CO
AQI 44
Good
7.51μg/m³
PM2.5
18.37μg/m³
PM10
20.82ppb
O3
0.58ppb
SO2
9.45ppb
NO2
0.08ppm
CO
AQI 38
Good
6.90μg/m³
PM2.5
16.40μg/m³
PM10
19.86ppb
O3
0.58ppb
SO2
9.16ppb
NO2
0.08ppm
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 10:00:00 on 2025-06-19.
The best air quality in Weymouth, Dorset was recorded at 08:00:00 on 2025-06-19.
The real-time air quality index in Weymouth, Dorset is 44, currently categorized as Good.
The most common pollutant in Weymouth, Dorset is PM2.5.
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 7.966 μg/m3.
The current PM10 levels in Weymouth, Dorset are 17.377 μg/m3.
The current carbon monoxide (CO) level in Weymouth, Dorset is 0.077 ppm.
The current sulfur dioxide (SO2) levels in Weymouth, Dorset are 0.586 ppb.
The current ozone (O3) levels at Weymouth, Dorset is 21.095 ppm.
The current nitrogen dioxide (NO2) levels at Weymouth, Dorset is 11.047 ppb.
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