Stay updated with real-time air quality in Wiltshire, UK 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)
31
Good
Wiltshire, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.46 μg/m³
0
55
155
255
425
605+
32.55 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
5.14 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Wiltshire, UK
Wiltshire, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 31
Good
4.63μg/m³
PM2.5
12.03μg/m³
PM10
33.65ppb
O3
0.66ppb
SO2
8.27ppb
NO2
0.13ppm
CO
AQI 28
Good
2.01μg/m³
PM2.5
5.02μg/m³
PM10
29.57ppb
O3
0.66ppb
SO2
4.30ppb
NO2
0.13ppm
CO
AQI 32
Good
4.77μg/m³
PM2.5
11.69μg/m³
PM10
35.10ppb
O3
0.67ppb
SO2
6.73ppb
NO2
0.13ppm
CO
AQI 33
Good
4.25μg/m³
PM2.5
10.35μg/m³
PM10
36.26ppb
O3
0.68ppb
SO2
7.74ppb
NO2
0.13ppm
CO
AQI 24
Good
3.39μg/m³
PM2.5
9.19μg/m³
PM10
26.23ppb
O3
0.69ppb
SO2
6.64ppb
NO2
0.13ppm
CO
AQI 31
Good
4.10μg/m³
PM2.5
10.89μg/m³
PM10
33.95ppb
O3
0.68ppb
SO2
5.76ppb
NO2
0.13ppm
CO
The air quality data for Wiltshire, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Wiltshire, UK are available every hour.
Wiltshire, UK experienced its worst air quality at 01:00:00, 2026-05-13.
The best air quality in Wiltshire, UK was observed at 09:00:00 on 2026-05-14.
The air quality in Wiltshire, UK right now is Good, with an AQI of 30.
In Wiltshire, UK, O3 is the most frequently found pollutant.
When air quality in Wiltshire, UK is compromised, staying indoors and wearing a mask can reduce health risks.
Wiltshire, UK currently has a PM2.5 concentration of 3.702 μg/m3.
Wiltshire, UK currently has a PM10 concentration of 12.934 μg/m3.
The current carbon monoxide (CO) level in Wiltshire, UK is 0.118 ppm.
The current sulfur dioxide (SO2) concentration in Wiltshire, UK is 0.622 ppb.
Wiltshire, UK currently has an ozone (O3) concentration of 31.658 ppm.
The current level of nitrogen dioxide (NO2) in Wiltshire, UK is 5.905 ppb.
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