Stay updated with real-time air quality in Penryn, 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)
26
Good
Penryn, Cornwall
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.24 μg/m³
0
55
155
255
425
605+
28.37 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
3.21 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Penryn, Cornwall
Penryn, Cornwall
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AQI 27
Good
3.59μg/m³
PM2.5
7.36μg/m³
PM10
28.95ppb
O3
0.42ppb
SO2
3.43ppb
NO2
0.16ppm
CO
AQI 27
Good
3.73μg/m³
PM2.5
7.20μg/m³
PM10
28.64ppb
O3
0.38ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 25
Good
4.29μg/m³
PM2.5
7.07μg/m³
PM10
26.88ppb
O3
0.41ppb
SO2
2.73ppb
NO2
0.16ppm
CO
AQI 27
Good
3.78μg/m³
PM2.5
6.92μg/m³
PM10
28.99ppb
O3
0.37ppb
SO2
2.78ppb
NO2
0.16ppm
CO
AQI 27
Good
3.85μg/m³
PM2.5
7.10μg/m³
PM10
28.60ppb
O3
0.39ppb
SO2
2.69ppb
NO2
0.16ppm
CO
AQI 26
Good
3.86μg/m³
PM2.5
7.40μg/m³
PM10
28.40ppb
O3
0.38ppb
SO2
2.43ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Cornwall, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Penryn, Cornwall is updated every hour for accuracy.
In the past 24 hours, the air quality in Penryn, Cornwall was at its worst at 01:00:00 on 2026-11-12.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 11:00:00 on 2026-11-12.
As of now, the AQI in Penryn, Cornwall is 26, indicating Good conditions.
Penryn, Cornwall air has the highest levels of O3.
Poor air quality in Penryn, Cornwall means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Penryn, Cornwall are currently 3.867 μg/m3.
The PM10 concentration in Penryn, Cornwall is 7.239 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Penryn, Cornwall is 0.161 ppm.
Currently, Penryn, Cornwall has a sulfur dioxide (SO2) concentration of 0.426 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 28.369 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 3.211 ppb.
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