Stay updated with real-time air quality in Trowbridge, Wiltshire 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)
19
Good
Trowbridge, Wiltshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.18 μg/m³
0
55
155
255
425
605+
20.77 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
4.50 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Trowbridge, Wiltshire
Trowbridge, Wiltshire
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AQI 23
Good
2.42μg/m³
PM2.5
5.04μg/m³
PM10
25.00ppb
O3
0.49ppb
SO2
4.54ppb
NO2
0.11ppm
CO
AQI 24
Good
2.29μg/m³
PM2.5
4.58μg/m³
PM10
25.54ppb
O3
0.48ppb
SO2
6.13ppb
NO2
0.11ppm
CO
AQI 23
Good
2.35μg/m³
PM2.5
4.70μg/m³
PM10
24.54ppb
O3
0.47ppb
SO2
8.53ppb
NO2
0.11ppm
CO
AQI 21
Good
1.38μg/m³
PM2.5
3.89μg/m³
PM10
23.33ppb
O3
0.47ppb
SO2
5.25ppb
NO2
0.11ppm
CO
AQI 23
Good
2.34μg/m³
PM2.5
5.08μg/m³
PM10
24.93ppb
O3
0.49ppb
SO2
4.67ppb
NO2
0.11ppm
CO
AQI 23
Good
2.47μg/m³
PM2.5
4.42μg/m³
PM10
25.24ppb
O3
0.53ppb
SO2
9.93ppb
NO2
0.10ppm
CO
Air quality and pollutant data for Wiltshire, 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 Trowbridge, Wiltshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Trowbridge, Wiltshire was at its worst at 11:00:00 on 2026-10-04.
In the last 24 hours, the best air quality in Trowbridge, Wiltshire was observed at 05:00:00 on 2026-10-05.
As of now, the AQI in Trowbridge, Wiltshire is 23, indicating Good conditions.
Trowbridge, Wiltshire air has the highest levels of O3.
Poor air quality in Trowbridge, Wiltshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Trowbridge, Wiltshire are currently 1.542 μg/m3.
The PM10 concentration in Trowbridge, Wiltshire is 4.52 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Trowbridge, Wiltshire is 0.11 ppm.
Currently, Trowbridge, Wiltshire has a sulfur dioxide (SO2) concentration of 0.473 ppb.
The current ozone (O3) level in Trowbridge, Wiltshire at the moment is 24.76 ppm.
Nitrogen dioxide (NO2) level in Trowbridge, Wiltshire at the moment is 5.588 ppb.
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