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)
34
Good
Truro, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.13 μg/m³
0
55
155
255
425
605+
36.55 ppb
0
55
71
86
201
201+
0.08 ppb
0
36
76
186
605
1005+
0.79 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
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AQI 33
Good
2.97μg/m³
PM2.5
9.86μg/m³
PM10
35.78ppb
O3
0.07ppb
SO2
0.65ppb
NO2
0.12ppm
CO
AQI 33
Good
2.97μg/m³
PM2.5
9.36μg/m³
PM10
35.73ppb
O3
0.10ppb
SO2
0.81ppb
NO2
0.12ppm
CO
AQI 32
Good
3.04μg/m³
PM2.5
11.61μg/m³
PM10
35.26ppb
O3
0.05ppb
SO2
0.40ppb
NO2
0.12ppm
CO
AQI 34
Good
3.14μg/m³
PM2.5
10.56μg/m³
PM10
36.87ppb
O3
0.06ppb
SO2
0.42ppb
NO2
0.12ppm
CO
AQI 32
Good
2.95μg/m³
PM2.5
11.28μg/m³
PM10
35.03ppb
O3
0.04ppb
SO2
0.41ppb
NO2
0.12ppm
CO
AQI 36
Good
3.54μg/m³
PM2.5
8.70μg/m³
PM10
39.07ppb
O3
0.12ppb
SO2
0.91ppb
NO2
0.15ppm
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 12:00:00, 2026-02-11.
The best air quality in Truro, Cornwall was observed at 08:00:00 on 2026-02-11.
The air quality in Truro, Cornwall right now is Good, with an AQI of 34.
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 3.125 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 9.125 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.123 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.079 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 36.545 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 0.787 ppb.
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