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)
28
Good
Truro, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.38 μg/m³
0
55
155
255
425
605+
29.54 ppb
0
55
71
86
201
201+
0.07 ppb
0
36
76
186
605
1005+
1.90 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Truro, Cornwall
Truro, Cornwall
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AQI 28
Good
4.14μg/m³
PM2.5
4.58μg/m³
PM10
29.69ppb
O3
0.08ppb
SO2
1.93ppb
NO2
0.13ppm
CO
AQI 28
Good
4.25μg/m³
PM2.5
4.61μg/m³
PM10
29.79ppb
O3
0.12ppb
SO2
2.34ppb
NO2
0.13ppm
CO
AQI 29
Good
3.27μg/m³
PM2.5
3.80μg/m³
PM10
30.63ppb
O3
0.06ppb
SO2
1.51ppb
NO2
0.13ppm
CO
AQI 28
Good
3.90μg/m³
PM2.5
4.26μg/m³
PM10
30.07ppb
O3
0.04ppb
SO2
1.36ppb
NO2
0.13ppm
CO
AQI 28
Good
3.19μg/m³
PM2.5
3.65μg/m³
PM10
30.41ppb
O3
0.08ppb
SO2
1.86ppb
NO2
0.13ppm
CO
AQI 27
Good
4.63μg/m³
PM2.5
5.21μg/m³
PM10
28.37ppb
O3
0.06ppb
SO2
1.57ppb
NO2
0.14ppm
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 07:00:00, 2025-06-13.
The best air quality in Truro, Cornwall was observed at 01:00:00 on 2025-06-14.
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 4.138 μg/m3.
Truro, Cornwall currently has a PM10 concentration of 4.377 μg/m3.
The current carbon monoxide (CO) level in Truro, Cornwall is 0.13 ppm.
The current sulfur dioxide (SO2) concentration in Truro, Cornwall is 0.065 ppb.
Truro, Cornwall currently has an ozone (O3) concentration of 29.542 ppm.
The current level of nitrogen dioxide (NO2) in Truro, Cornwall is 1.9 ppb.
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