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)
52
Moderate
Bishop's Stortford, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.17 μg/m³
0
55
155
255
425
605+
54.78 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
11.23 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bishop's Stortford, Hertfordshire
Bishop's Stortford, Hertfordshire
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AQI 52
Moderate
9.87μg/m³
PM2.5
22.17μg/m³
PM10
54.78ppb
O3
0.55ppb
SO2
11.23ppb
NO2
0.02ppm
CO
AQI 56
Moderate
11.79μg/m³
PM2.5
22.17μg/m³
PM10
53.50ppb
O3
0.62ppb
SO2
11.53ppb
NO2
0.01ppm
CO
AQI 52
Moderate
9.90μg/m³
PM2.5
23.85μg/m³
PM10
50.62ppb
O3
0.62ppb
SO2
6.33ppb
NO2
0.02ppm
CO
AQI 52
Moderate
9.80μg/m³
PM2.5
22.12μg/m³
PM10
45.25ppb
O3
0.57ppb
SO2
10.90ppb
NO2
0.01ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
24.45μg/m³
PM10
51.47ppb
O3
0.57ppb
SO2
11.52ppb
NO2
0.01ppm
CO
AQI 52
Moderate
10.40μg/m³
PM2.5
23.19μg/m³
PM10
52.38ppb
O3
0.55ppb
SO2
9.28ppb
NO2
0.02ppm
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 10:00:00 on 2026-08-13.
The best air quality in Bishop's Stortford, Hertfordshire was recorded at 08:00:00 on 2026-08-14.
The real-time air quality index in Bishop's Stortford, Hertfordshire is 52, 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 9.7 μg/m3.
The current PM10 levels in Bishop's Stortford, Hertfordshire are 25.914 μg/m3.
The current carbon monoxide (CO) level in Bishop's Stortford, Hertfordshire is 0.016 ppm.
The current sulfur dioxide (SO2) levels in Bishop's Stortford, Hertfordshire are 0.571 ppb.
The current ozone (O3) levels at Bishop's Stortford, Hertfordshire is 47.837 ppm.
The current nitrogen dioxide (NO2) levels at Bishop's Stortford, Hertfordshire is 8.463 ppb.
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