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)
20
Good
Truro, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.79 μg/m³
0
55
155
255
425
605+
21.58 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
1.40 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 20
Good
2.77μg/m³
PM2.5
3.95μg/m³
PM10
22.03ppb
O3
0.10ppb
SO2
1.59ppb
NO2
0.10ppm
CO
AQI 19
Good
2.88μg/m³
PM2.5
4.18μg/m³
PM10
21.32ppb
O3
0.14ppb
SO2
2.04ppb
NO2
0.10ppm
CO
AQI 22
Good
2.37μg/m³
PM2.5
3.61μg/m³
PM10
23.55ppb
O3
0.07ppb
SO2
0.94ppb
NO2
0.10ppm
CO
AQI 23
Good
2.41μg/m³
PM2.5
3.60μg/m³
PM10
25.27ppb
O3
0.05ppb
SO2
0.69ppb
NO2
0.11ppm
CO
AQI 21
Good
2.41μg/m³
PM2.5
3.75μg/m³
PM10
23.16ppb
O3
0.07ppb
SO2
1.02ppb
NO2
0.10ppm
CO
AQI 21
Good
2.54μg/m³
PM2.5
3.97μg/m³
PM10
22.53ppb
O3
0.09ppb
SO2
1.17ppb
NO2
0.11ppm
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 03:00:00, 2025-07-22.
The best air quality in Truro, Cornwall was observed at 01:00:00 on 2025-07-23.
The air quality in Truro, Cornwall right now is Good, with an AQI of 20.
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 2.468 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 3.597 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.105 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.087 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 22.023 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 1.306 ppb.
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