Stay updated with real-time air quality in Bishop's Stortford, 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)
27
Good
Bishop's Stortford, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.02 μg/m³
0
55
155
255
425
605+
19.75 ppb
0
55
71
86
201
201+
2.06 ppb
0
36
76
186
605
1005+
4.63 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Bishop's Stortford, Hertfordshire
Bishop's Stortford, Hertfordshire
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AQI 22
Good
3.78μg/m³
PM2.5
21.30μg/m³
PM10
18.50ppb
O3
1.83ppb
SO2
7.29ppb
NO2
0.02ppm
CO
AQI 22
Good
3.78μg/m³
PM2.5
22.95μg/m³
PM10
18.11ppb
O3
1.57ppb
SO2
9.64ppb
NO2
0.01ppm
CO
AQI 54
Moderate
11.04μg/m³
PM2.5
16.35μg/m³
PM10
17.56ppb
O3
1.97ppb
SO2
5.16ppb
NO2
0.02ppm
CO
AQI 27
Good
3.78μg/m³
PM2.5
28.81μg/m³
PM10
18.03ppb
O3
0.59ppb
SO2
10.11ppb
NO2
0.01ppm
CO
AQI 54
Moderate
11.19μg/m³
PM2.5
18.93μg/m³
PM10
18.61ppb
O3
0.74ppb
SO2
14.64ppb
NO2
0.01ppm
CO
AQI 49
Good
9.03μg/m³
PM2.5
14.40μg/m³
PM10
18.80ppb
O3
3.17ppb
SO2
5.12ppb
NO2
0.03ppm
CO
Air quality measurements for Hertfordshire, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Bishop's Stortford, Hertfordshire is updated on an hourly basis.
The worst air quality in Bishop's Stortford, Hertfordshire was recorded at 09:00:00 on 2025-11-07.
The best air quality in Bishop's Stortford, Hertfordshire was recorded at 05:00:00 on 2025-11-07.
The real-time air quality index in Bishop's Stortford, Hertfordshire is 22, currently categorized as Good.
The most common pollutant in Bishop's Stortford, Hertfordshire is PM2.5.
If the air quality in Bishop's Stortford, Hertfordshire is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bishop's Stortford, Hertfordshire at present are 3.78 μg/m3.
The current PM10 levels in Bishop's Stortford, Hertfordshire are 21.3 μg/m3.
The current carbon monoxide (CO) level in Bishop's Stortford, Hertfordshire is 0.018 ppm.
The current sulfur dioxide (SO2) levels in Bishop's Stortford, Hertfordshire are 1.832 ppb.
The current ozone (O3) levels at Bishop's Stortford, Hertfordshire is 18.496 ppm.
The current nitrogen dioxide (NO2) levels at Bishop's Stortford, Hertfordshire is 7.288 ppb.
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