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)
33
Good
Cheshunt, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.02 μg/m³
0
55
155
255
425
605+
30.04 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
3.68 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Cheshunt, Hertfordshire
Cheshunt, Hertfordshire
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AQI 33
Good
6.32μg/m³
PM2.5
26.46μg/m³
PM10
29.96ppb
O3
0.83ppb
SO2
2.72ppb
NO2
0.02ppm
CO
AQI 33
Good
6.32μg/m³
PM2.5
26.46μg/m³
PM10
29.96ppb
O3
0.83ppb
SO2
2.64ppb
NO2
0.02ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
25.56μg/m³
PM10
30.11ppb
O3
0.85ppb
SO2
4.33ppb
NO2
0.02ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
25.41μg/m³
PM10
30.14ppb
O3
0.85ppb
SO2
4.56ppb
NO2
0.02ppm
CO
AQI 38
Good
6.77μg/m³
PM2.5
25.21μg/m³
PM10
30.17ppb
O3
0.86ppb
SO2
4.96ppb
NO2
0.02ppm
CO
AQI 33
Good
5.62μg/m³
PM2.5
14.63μg/m³
PM10
30.63ppb
O3
0.82ppb
SO2
6.06ppb
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 2026-03-15.
In the last 24 hours, the best air quality in Cheshunt, Hertfordshire was observed at 04:00:00 on 2026-03-16.
As of now, the AQI in Cheshunt, Hertfordshire is 33, 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 6.481 μg/m3.
The PM10 concentration in Cheshunt, Hertfordshire is 26.016 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheshunt, Hertfordshire is 0.022 ppm.
Currently, Cheshunt, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.843 ppb.
The current ozone (O3) level in Cheshunt, Hertfordshire at the moment is 30.037 ppm.
Nitrogen dioxide (NO2) level in Cheshunt, Hertfordshire at the moment is 3.678 ppb.
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