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)
25
Good
Truro, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.07 μg/m³
0
55
155
255
425
605+
26.88 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
2.73 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Truro, Cornwall
Truro, Cornwall
Scroll To Air Quality MapLoading...
AQI 26
Good
3.87μg/m³
PM2.5
7.24μg/m³
PM10
28.37ppb
O3
0.43ppb
SO2
3.21ppb
NO2
0.16ppm
CO
AQI 27
Good
3.59μg/m³
PM2.5
7.36μg/m³
PM10
28.95ppb
O3
0.42ppb
SO2
3.43ppb
NO2
0.16ppm
CO
AQI 27
Good
3.73μg/m³
PM2.5
7.20μg/m³
PM10
28.64ppb
O3
0.38ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 26
Good
3.86μg/m³
PM2.5
7.40μg/m³
PM10
28.40ppb
O3
0.38ppb
SO2
2.43ppb
NO2
0.16ppm
CO
AQI 27
Good
3.85μg/m³
PM2.5
7.10μg/m³
PM10
28.60ppb
O3
0.39ppb
SO2
2.69ppb
NO2
0.16ppm
CO
AQI 28
Good
4.06μg/m³
PM2.5
7.51μg/m³
PM10
29.60ppb
O3
0.37ppb
SO2
2.77ppb
NO2
0.18ppm
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 01:00:00, 2026-11-12.
The best air quality in Truro, Cornwall was observed at 11:00:00 on 2026-11-12.
The air quality in Truro, Cornwall right now is Good, with an AQI of 25.
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 4.294 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 7.067 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.164 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.405 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 26.88 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 2.727 ppb.
All Rights Reserved © Ambee Inc. 2025