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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.72 μg/m³
0
55
155
255
425
605+
20.29 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
11.15 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hatfield, Hertfordshire
Hatfield, Hertfordshire
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AQI 49
Good
9.48μg/m³
PM2.5
22.30μg/m³
PM10
27.28ppb
O3
0.95ppb
SO2
22.27ppb
NO2
1.01ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
17.05μg/m³
PM10
23.08ppb
O3
0.94ppb
SO2
17.82ppb
NO2
1.01ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
18.99μg/m³
PM10
25.58ppb
O3
0.87ppb
SO2
21.68ppb
NO2
1.01ppm
CO
AQI 49
Good
9.06μg/m³
PM2.5
21.94μg/m³
PM10
24.14ppb
O3
0.96ppb
SO2
22.60ppb
NO2
1.01ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
23.14μg/m³
PM10
26.93ppb
O3
0.95ppb
SO2
23.18ppb
NO2
1.01ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
12.32μg/m³
PM10
21.68ppb
O3
0.90ppb
SO2
17.85ppb
NO2
1.01ppm
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 Hatfield, Hertfordshire is updated every hour for accuracy.
In the past 24 hours, the air quality in Hatfield, Hertfordshire was at its worst at 12:00:00 on 2026-02-12.
In the last 24 hours, the best air quality in Hatfield, Hertfordshire was observed at 11:00:00 on 2026-02-11.
As of now, the AQI in Hatfield, Hertfordshire is 38, indicating Good conditions.
Hatfield, Hertfordshire air has the highest levels of PM2.5.
Poor air quality in Hatfield, Hertfordshire means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hatfield, Hertfordshire are currently 7.466 μg/m3.
The PM10 concentration in Hatfield, Hertfordshire is 14.72 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hatfield, Hertfordshire is 0.803 ppm.
Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.87 ppb.
The current ozone (O3) level in Hatfield, Hertfordshire at the moment is 20.29 ppm.
Nitrogen dioxide (NO2) level in Hatfield, Hertfordshire at the moment is 11.151 ppb.
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