Stay updated with real-time air quality in Berkhamsted, Hertfordshire 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)
44
Good
Berkhamsted, Hertfordshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.03 μg/m³
0
55
155
255
425
605+
25.74 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
6.06 ppb
0
54
101
361
1250
2050+
0.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Berkhamsted, Hertfordshire
Berkhamsted, Hertfordshire
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AQI 27
Good
5.47μg/m³
PM2.5
15.72μg/m³
PM10
22.26ppb
O3
0.78ppb
SO2
4.50ppb
NO2
0.01ppm
CO
AQI 33
Good
5.80μg/m³
PM2.5
20.05μg/m³
PM10
23.05ppb
O3
0.79ppb
SO2
4.36ppb
NO2
0.02ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
22.67μg/m³
PM10
18.62ppb
O3
0.77ppb
SO2
10.43ppb
NO2
0.01ppm
CO
AQI 27
Good
5.19μg/m³
PM2.5
13.83μg/m³
PM10
23.16ppb
O3
0.78ppb
SO2
4.32ppb
NO2
0.01ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
22.67μg/m³
PM10
18.62ppb
O3
0.77ppb
SO2
10.43ppb
NO2
0.01ppm
CO
AQI 27
Good
5.17μg/m³
PM2.5
18.33μg/m³
PM10
22.40ppb
O3
0.75ppb
SO2
8.16ppb
NO2
0.01ppm
CO
Air quality and pollutant data for Hertfordshire, 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 Berkhamsted, Hertfordshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Berkhamsted, Hertfordshire was at its worst at 04:00:00 on 2025-07-23.
In the last 24 hours, the best air quality in Berkhamsted, Hertfordshire was observed at 09:00:00 on 2025-07-23.
As of now, the AQI in Berkhamsted, Hertfordshire is 33, indicating Good conditions.
Berkhamsted, Hertfordshire air has the highest levels of PM2.5.
Poor air quality in Berkhamsted, Hertfordshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Berkhamsted, Hertfordshire are currently 6.489 μg/m3.
The PM10 concentration in Berkhamsted, Hertfordshire is 18.084 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Berkhamsted, Hertfordshire is 0.013 ppm.
Currently, Berkhamsted, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.783 ppb.
The current ozone (O3) level in Berkhamsted, Hertfordshire at the moment is 23.346 ppm.
Nitrogen dioxide (NO2) level in Berkhamsted, Hertfordshire at the moment is 5.462 ppb.
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