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)
27
Good
Truro, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.98 μg/m³
0
55
155
255
425
605+
29.06 ppb
0
55
71
86
201
201+
0.04 ppb
0
36
76
186
605
1005+
0.79 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Truro, Cornwall
Truro, Cornwall
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AQI 29
Good
4.54μg/m³
PM2.5
11.98μg/m³
PM10
30.55ppb
O3
0.04ppb
SO2
0.72ppb
NO2
0.10ppm
CO
AQI 29
Good
4.54μg/m³
PM2.5
11.88μg/m³
PM10
31.02ppb
O3
0.05ppb
SO2
0.82ppb
NO2
0.10ppm
CO
AQI 29
Good
4.42μg/m³
PM2.5
12.19μg/m³
PM10
30.75ppb
O3
0.03ppb
SO2
0.59ppb
NO2
0.10ppm
CO
AQI 28
Good
3.86μg/m³
PM2.5
10.43μg/m³
PM10
30.40ppb
O3
0.03ppb
SO2
0.63ppb
NO2
0.10ppm
CO
AQI 28
Good
4.60μg/m³
PM2.5
13.19μg/m³
PM10
30.43ppb
O3
0.03ppb
SO2
0.58ppb
NO2
0.10ppm
CO
AQI 28
Good
3.77μg/m³
PM2.5
9.51μg/m³
PM10
30.28ppb
O3
0.05ppb
SO2
0.80ppb
NO2
0.10ppm
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, 2025-09-17.
The best air quality in Truro, Cornwall was observed at 12:00:00 on 2025-09-18.
The air quality in Truro, Cornwall right now is Good, with an AQI of 28.
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 4.406 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 11.096 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.098 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.045 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 29.648 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 0.799 ppb.
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