Stay updated with real-time air quality in Cheshunt, 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
Cheshunt, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.90 μg/m³
0
55
155
255
425
605+
32.09 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
5.47 ppb
0
54
101
361
1250
2050+
0.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cheshunt, Hertfordshire
Cheshunt, Hertfordshire
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AQI 38
Good
7.15μg/m³
PM2.5
13.31μg/m³
PM10
32.82ppb
O3
0.41ppb
SO2
4.85ppb
NO2
0.01ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
13.30μg/m³
PM10
32.82ppb
O3
0.41ppb
SO2
4.83ppb
NO2
0.01ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
18.58μg/m³
PM10
31.34ppb
O3
0.41ppb
SO2
5.95ppb
NO2
0.01ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
19.42μg/m³
PM10
31.11ppb
O3
0.41ppb
SO2
6.20ppb
NO2
0.01ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
20.63μg/m³
PM10
30.77ppb
O3
0.41ppb
SO2
6.53ppb
NO2
0.01ppm
CO
AQI 31
Good
4.81μg/m³
PM2.5
8.99μg/m³
PM10
33.17ppb
O3
0.42ppb
SO2
5.58ppb
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 Cheshunt, Hertfordshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Cheshunt, Hertfordshire was at its worst at 10:00:00 on 2026-03-28.
In the last 24 hours, the best air quality in Cheshunt, Hertfordshire was observed at 03:00:00 on 2026-03-29.
As of now, the AQI in Cheshunt, Hertfordshire is 38, indicating Good conditions.
Cheshunt, Hertfordshire air has the highest levels of PM2.5.
Poor air quality in Cheshunt, Hertfordshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cheshunt, Hertfordshire are currently 7.384 μg/m3.
The PM10 concentration in Cheshunt, Hertfordshire is 15.898 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheshunt, Hertfordshire is 0.011 ppm.
Currently, Cheshunt, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.414 ppb.
The current ozone (O3) level in Cheshunt, Hertfordshire at the moment is 32.092 ppm.
Nitrogen dioxide (NO2) level in Cheshunt, Hertfordshire at the moment is 5.47 ppb.
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