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)
44
Good
Hatfield, Hertfordshire
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.00 μg/m³
0
55
155
255
425
605+
20.36 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
7.13 ppb
0
54
101
361
1250
2050+
0.76 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hatfield, Hertfordshire
Hatfield, Hertfordshire
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AQI 44
Good
8.03μg/m³
PM2.5
16.68μg/m³
PM10
20.16ppb
O3
0.65ppb
SO2
7.51ppb
NO2
0.76ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
12.89μg/m³
PM10
19.52ppb
O3
0.67ppb
SO2
9.65ppb
NO2
0.76ppm
CO
AQI 38
Good
7.31μg/m³
PM2.5
21.07μg/m³
PM10
21.80ppb
O3
0.70ppb
SO2
16.91ppb
NO2
0.76ppm
CO
AQI 44
Good
8.15μg/m³
PM2.5
13.42μg/m³
PM10
23.08ppb
O3
0.64ppb
SO2
8.81ppb
NO2
0.76ppm
CO
AQI 38
Good
7.12μg/m³
PM2.5
16.00μg/m³
PM10
22.79ppb
O3
0.66ppb
SO2
10.34ppb
NO2
0.76ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
12.04μg/m³
PM10
20.65ppb
O3
0.67ppb
SO2
15.03ppb
NO2
0.76ppm
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 11:00:00 on 2026-11-11.
In the last 24 hours, the best air quality in Hatfield, Hertfordshire was observed at 09:00:00 on 2026-11-12.
As of now, the AQI in Hatfield, Hertfordshire is 44, 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 7.972 μg/m3.
The PM10 concentration in Hatfield, Hertfordshire is 16 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hatfield, Hertfordshire is 0.761 ppm.
Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.656 ppb.
The current ozone (O3) level in Hatfield, Hertfordshire at the moment is 20.364 ppm.
Nitrogen dioxide (NO2) level in Hatfield, Hertfordshire at the moment is 7.129 ppb.
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