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)
28
Good
Penryn, Cornwall
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.47 μg/m³
0
55
155
255
425
605+
29.92 ppb
0
55
71
86
201
201+
0.04 ppb
0
36
76
186
605
1005+
0.68 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Penryn, Cornwall
Penryn, Cornwall
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AQI 32
Good
4.90μg/m³
PM2.5
15.75μg/m³
PM10
35.39ppb
O3
0.06ppb
SO2
0.76ppb
NO2
0.11ppm
CO
AQI 31
Good
4.85μg/m³
PM2.5
15.54μg/m³
PM10
34.17ppb
O3
0.04ppb
SO2
0.64ppb
NO2
0.11ppm
CO
AQI 31
Good
4.77μg/m³
PM2.5
14.21μg/m³
PM10
34.20ppb
O3
0.05ppb
SO2
0.78ppb
NO2
0.11ppm
CO
AQI 32
Good
5.22μg/m³
PM2.5
18.74μg/m³
PM10
34.77ppb
O3
0.05ppb
SO2
0.59ppb
NO2
0.11ppm
CO
AQI 31
Good
4.97μg/m³
PM2.5
16.75μg/m³
PM10
34.26ppb
O3
0.04ppb
SO2
0.60ppb
NO2
0.11ppm
CO
AQI 31
Good
4.65μg/m³
PM2.5
14.02μg/m³
PM10
33.57ppb
O3
0.04ppb
SO2
0.63ppb
NO2
0.11ppm
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 05:00:00 on 2025-09-17.
In the last 24 hours, the best air quality in Penryn, Cornwall was observed at 11:00:00 on 2025-09-17.
As of now, the AQI in Penryn, Cornwall is 32, 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 4.71 μg/m3.
The PM10 concentration in Penryn, Cornwall is 14.687 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Penryn, Cornwall is 0.108 ppm.
Currently, Penryn, Cornwall has a sulfur dioxide (SO2) concentration of 0.06 ppb.
The current ozone (O3) level in Penryn, Cornwall at the moment is 35.405 ppm.
Nitrogen dioxide (NO2) level in Penryn, Cornwall at the moment is 0.665 ppb.
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