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)
38
Good
Berkhamsted, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.63 μg/m³
0
55
155
255
425
605+
29.83 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
3.14 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Berkhamsted, Hertfordshire
Berkhamsted, Hertfordshire
Scroll To Air Quality MapLoading...
AQI 33
Good
6.13μg/m³
PM2.5
19.41μg/m³
PM10
30.24ppb
O3
0.62ppb
SO2
5.52ppb
NO2
0.13ppm
CO
AQI 38
Good
7.46μg/m³
PM2.5
20.58μg/m³
PM10
29.50ppb
O3
0.63ppb
SO2
5.22ppb
NO2
0.13ppm
CO
AQI 38
Good
6.82μg/m³
PM2.5
22.46μg/m³
PM10
30.15ppb
O3
0.67ppb
SO2
5.53ppb
NO2
0.13ppm
CO
AQI 33
Good
6.30μg/m³
PM2.5
17.21μg/m³
PM10
28.33ppb
O3
0.63ppb
SO2
4.51ppb
NO2
0.13ppm
CO
AQI 38
Good
6.82μg/m³
PM2.5
22.46μg/m³
PM10
30.15ppb
O3
0.67ppb
SO2
5.53ppb
NO2
0.13ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
18.84μg/m³
PM10
32.21ppb
O3
0.67ppb
SO2
8.91ppb
NO2
0.13ppm
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 2026-05-20.
In the last 24 hours, the best air quality in Berkhamsted, Hertfordshire was observed at 06:00:00 on 2026-05-21.
As of now, the AQI in Berkhamsted, Hertfordshire is 38, 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 7.163 μg/m3.
The PM10 concentration in Berkhamsted, Hertfordshire is 21.632 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Berkhamsted, Hertfordshire is 0.134 ppm.
Currently, Berkhamsted, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.965 ppb.
The current ozone (O3) level in Berkhamsted, Hertfordshire at the moment is 29.831 ppm.
Nitrogen dioxide (NO2) level in Berkhamsted, Hertfordshire at the moment is 3.142 ppb.
All Rights Reserved © Ambee Inc. 2025