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)
31
Good
Truro, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.46 μg/m³
0
55
155
255
425
605+
33.17 ppb
0
55
71
86
201
201+
0.09 ppb
0
36
76
186
605
1005+
0.80 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Truro, Cornwall
Truro, Cornwall
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AQI 32
Good
4.02μg/m³
PM2.5
9.45μg/m³
PM10
35.32ppb
O3
0.27ppb
SO2
1.72ppb
NO2
0.12ppm
CO
AQI 32
Good
4.05μg/m³
PM2.5
9.53μg/m³
PM10
35.14ppb
O3
0.29ppb
SO2
2.14ppb
NO2
0.12ppm
CO
AQI 34
Good
3.70μg/m³
PM2.5
9.34μg/m³
PM10
37.08ppb
O3
0.20ppb
SO2
1.10ppb
NO2
0.12ppm
CO
AQI 33
Good
4.05μg/m³
PM2.5
10.32μg/m³
PM10
35.98ppb
O3
0.18ppb
SO2
1.09ppb
NO2
0.11ppm
CO
AQI 34
Good
3.61μg/m³
PM2.5
8.99μg/m³
PM10
37.37ppb
O3
0.19ppb
SO2
1.04ppb
NO2
0.12ppm
CO
AQI 31
Good
4.96μg/m³
PM2.5
10.03μg/m³
PM10
33.17ppb
O3
0.26ppb
SO2
2.60ppb
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 11:00:00, 2025-11-06.
The best air quality in Truro, Cornwall was observed at 04:00:00 on 2025-11-07.
The air quality in Truro, Cornwall right now is Good, with an AQI of 32.
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 4.728 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 10.459 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.117 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.319 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 34.849 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 2.283 ppb.
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