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)
44
Good
Bishop's Stortford, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.01 μg/m³
0
55
155
255
425
605+
22.17 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
21.36 ppb
0
54
101
361
1250
2050+
0.53 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Bishop's Stortford, Hertfordshire
Bishop's Stortford, Hertfordshire
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AQI 56
Moderate
11.96μg/m³
PM2.5
26.82μg/m³
PM10
17.21ppb
O3
0.76ppb
SO2
14.60ppb
NO2
0.63ppm
CO
AQI 44
Good
8.35μg/m³
PM2.5
27.93μg/m³
PM10
15.87ppb
O3
0.79ppb
SO2
17.17ppb
NO2
0.63ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
27.33μg/m³
PM10
15.42ppb
O3
0.79ppb
SO2
14.55ppb
NO2
0.63ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
17.60μg/m³
PM10
17.26ppb
O3
0.77ppb
SO2
14.41ppb
NO2
0.63ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
31.49μg/m³
PM10
23.17ppb
O3
0.80ppb
SO2
18.62ppb
NO2
0.63ppm
CO
AQI 49
Good
8.65μg/m³
PM2.5
28.24μg/m³
PM10
20.90ppb
O3
0.65ppb
SO2
9.54ppb
NO2
0.63ppm
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 02:00:00 on 2026-02-12.
The best air quality in Bishop's Stortford, Hertfordshire was recorded at 12:00:00 on 2026-02-11.
The real-time air quality index in Bishop's Stortford, Hertfordshire is 56, currently categorized as Moderate.
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 11.962 μg/m3.
The current PM10 levels in Bishop's Stortford, Hertfordshire are 26.821 μg/m3.
The current carbon monoxide (CO) level in Bishop's Stortford, Hertfordshire is 0.625 ppm.
The current sulfur dioxide (SO2) levels in Bishop's Stortford, Hertfordshire are 0.764 ppb.
The current ozone (O3) levels at Bishop's Stortford, Hertfordshire is 17.207 ppm.
The current nitrogen dioxide (NO2) levels at Bishop's Stortford, Hertfordshire is 14.596 ppb.
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