Air Quality in Hertford, United Kingdom
Drizzle
8.6°C · 90.2% humidity
8.6°
Feels 4.7°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Hertford's air quality — share it
AQI Forecast
Calibrated
5
9pm
5
4
25
12am
19
15
12
3am
10
9
8
6am
7
6
8
9am
6
6
5
12pm
5
5
5
3pm
5
5
5
6pm
5
5
Station readings
8
CAMS model
adj -20
25
25
24
25
25
25
25
25
25
25
25
25
27
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
26h · 1 stnHertford's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
90.2%
Humidity
31.3 km/h
Wind WNW
1020.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hertford?
Temperature & Precipitation
PM2.5 Trend
26h · 1 stationPM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Hertford?
06-08
17.9° 9.2°
1.75 mm
06-09
16.9° 8.6°
0.44 mm
06-10
13.8° 12.2°
9.25 mm
06-11
25.9° 13.9°
2.19 mm
06-12
21.7° 9.8°
06-13
22.4° 10.1°
0.13 mm
06-14
19.8° 11.1°
2.81 mm
Both models agree
Avg diff: 3.9°C
Where are air quality stations near Hertford?
–
united-kingdom-bishops-stortford-edens-close
13
Haringey Roadside, United Kingdom
109
Haringey Roadside, United Kingdom
What cities are near Hertford?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:25 UTC.