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)
54
Moderate
Berkhamsted, Hertfordshire
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.22 μg/m³
0
55
155
255
425
605+
46.14 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
8.30 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Berkhamsted, Hertfordshire
Berkhamsted, Hertfordshire
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AQI 52
Moderate
9.71μg/m³
PM2.5
31.65μg/m³
PM10
41.42ppb
O3
0.76ppb
SO2
6.76ppb
NO2
0.02ppm
CO
AQI 49
Good
8.55μg/m³
PM2.5
35.56μg/m³
PM10
41.44ppb
O3
0.76ppb
SO2
14.29ppb
NO2
0.03ppm
CO
AQI 54
Moderate
11.00μg/m³
PM2.5
31.96μg/m³
PM10
43.27ppb
O3
0.76ppb
SO2
8.63ppb
NO2
0.01ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
17.58μg/m³
PM10
41.46ppb
O3
0.76ppb
SO2
7.39ppb
NO2
0.02ppm
CO
AQI 54
Moderate
11.00μg/m³
PM2.5
31.96μg/m³
PM10
43.27ppb
O3
0.76ppb
SO2
8.63ppb
NO2
0.01ppm
CO
AQI 56
Moderate
11.53μg/m³
PM2.5
29.81μg/m³
PM10
45.90ppb
O3
0.75ppb
SO2
10.15ppb
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 07:00:00 on 2025-06-12.
In the last 24 hours, the best air quality in Berkhamsted, Hertfordshire was observed at 09:00:00 on 2025-06-12.
As of now, the AQI in Berkhamsted, Hertfordshire is 54, indicating Moderate 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 11 μg/m3.
The PM10 concentration in Berkhamsted, Hertfordshire is 33.22 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Berkhamsted, Hertfordshire is 0.019 ppm.
Currently, Berkhamsted, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.759 ppb.
The current ozone (O3) level in Berkhamsted, Hertfordshire at the moment is 46.143 ppm.
Nitrogen dioxide (NO2) level in Berkhamsted, Hertfordshire at the moment is 8.298 ppb.
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