Stay updated with real-time air quality in St Austell, 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)
33
Good
St Austell, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.43 μg/m³
0
55
155
255
425
605+
36.12 ppb
0
55
71
86
201
201+
0.08 ppb
0
36
76
186
605
1005+
0.54 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
St Austell, Cornwall
St Austell, Cornwall
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AQI 34
Good
4.74μg/m³
PM2.5
9.17μg/m³
PM10
36.60ppb
O3
0.16ppb
SO2
0.75ppb
NO2
0.11ppm
CO
AQI 34
Good
6.29μg/m³
PM2.5
10.27μg/m³
PM10
36.83ppb
O3
0.06ppb
SO2
0.42ppb
NO2
0.12ppm
CO
AQI 34
Good
5.68μg/m³
PM2.5
10.00μg/m³
PM10
36.77ppb
O3
0.05ppb
SO2
0.23ppb
NO2
0.12ppm
CO
AQI 33
Good
3.96μg/m³
PM2.5
13.12μg/m³
PM10
36.46ppb
O3
0.66ppb
SO2
3.21ppb
NO2
0.07ppm
CO
AQI 38
Good
6.63μg/m³
PM2.5
10.72μg/m³
PM10
38.49ppb
O3
0.07ppb
SO2
0.46ppb
NO2
0.12ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
10.74μg/m³
PM10
38.10ppb
O3
0.06ppb
SO2
0.40ppb
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 St Austell, Cornwall are available every hour.
St Austell, Cornwall experienced its worst air quality at 03:00:00, 2025-06-03.
The best air quality in St Austell, Cornwall was observed at 07:00:00 on 2025-06-04.
The air quality in St Austell, Cornwall right now is Good, with an AQI of 33.
In St Austell, Cornwall, O3 is the most frequently found pollutant.
When air quality in St Austell, Cornwall is compromised, staying indoors and wearing a mask can reduce health risks.
St Austell, Cornwall currently has a PM2.5 concentration of 5.549 μg/m3.
St Austell, Cornwall currently has a PM10 concentration of 9.429 μg/m3.
The current carbon monoxide (CO) level in St Austell, Cornwall is 0.115 ppm.
The current sulfur dioxide (SO2) concentration in St Austell, Cornwall is 0.079 ppb.
St Austell, Cornwall currently has an ozone (O3) concentration of 36.116 ppm.
The current level of nitrogen dioxide (NO2) in St Austell, Cornwall is 0.542 ppb.
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