Stay updated with real-time air quality in Truro, Cornwall 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)
44
Good
Truro, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.84 μg/m³
0
55
155
255
425
605+
46.63 ppb
0
55
71
86
201
201+
0.07 ppb
0
36
76
186
605
1005+
0.46 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Truro, Cornwall
Truro, Cornwall
Scroll To Air Quality MapLoading...
AQI 44
Good
4.97μg/m³
PM2.5
15.89μg/m³
PM10
47.11ppb
O3
0.07ppb
SO2
0.55ppb
NO2
0.12ppm
CO
AQI 44
Good
4.96μg/m³
PM2.5
15.88μg/m³
PM10
46.96ppb
O3
0.08ppb
SO2
0.66ppb
NO2
0.12ppm
CO
AQI 44
Good
5.40μg/m³
PM2.5
18.34μg/m³
PM10
47.48ppb
O3
0.06ppb
SO2
0.41ppb
NO2
0.11ppm
CO
AQI 44
Good
5.32μg/m³
PM2.5
16.98μg/m³
PM10
46.83ppb
O3
0.05ppb
SO2
0.34ppb
NO2
0.11ppm
CO
AQI 44
Good
5.10μg/m³
PM2.5
17.14μg/m³
PM10
47.22ppb
O3
0.06ppb
SO2
0.44ppb
NO2
0.11ppm
CO
AQI 44
Good
5.11μg/m³
PM2.5
14.36μg/m³
PM10
46.74ppb
O3
0.07ppb
SO2
0.48ppb
NO2
0.12ppm
CO
The air quality data for Cornwall, 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 Truro, Cornwall are available every hour.
Truro, Cornwall experienced its worst air quality at 05:00:00, 2026-03-29.
The best air quality in Truro, Cornwall was observed at 03:00:00 on 2026-03-29.
The air quality in Truro, Cornwall right now is Good, with an AQI of 44.
In Truro, Cornwall, O3 is the most frequently found pollutant.
When air quality in Truro, Cornwall is compromised, staying indoors and wearing a mask can reduce health risks.
Truro, Cornwall currently has a PM2.5 concentration of 5.035 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 15.844 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.116 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.072 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 46.625 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 0.456 ppb.
All Rights Reserved © Ambee Inc. 2025