Air Quality in Hertford, United Kingdom

Windy
14.2°C · 83.3% humidity
14.2°
Feels 14.2°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
5 2am
5
5
5 5am
5
5
5 8am
5
5
5 11am
5
5
5 2pm
0
0
0 5pm
0
0
5 8pm
5
5
5 11pm
5
5
Station readings
5
5
5
CAMS model adj -49
54
54
54
54
54
54
54
54
54
54
54
54
54
34
34
27
27
27
54
54
54
54
54
54

Air Quality Index Trend

15h · 1 stn

Hertford'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.

83.3%
Humidity
86.4 km/h
Wind NNE
1026.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
5
1.23 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hertford?

Temperature & Precipitation

PM2.5 Trend

15h · 1 station
PM2.51.23 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
1.23
Median
1.23
Average
1.23
Low
1.23
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +8.5

What is the 7-day forecast for Hertford?

09-21
22.1° 10.9°
09-22
23.1° 13.1°
0.13 mm
09-23
16.7° 9.9°
0.25 mm
09-24
23.3° 7.3°
09-25
21.6° 10.4°
0.31 mm
09-26
20.5° 11.2°
1.69 mm
09-27
21.6° 7.4°
0.25 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Hertford?

–
united-kingdom-bishops-stortford-edens-close
19.2 km 15.0°C 53.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
40
Enfield - Bowes Primary School, United Kingdom
20.5 km PM2.5: 9.6 µg/m³
40
Enfield - Bowes Primary School, United Kingdom
20.5 km PM2.5: 9.6 µg/m³
13
Enfield - Bowes Primary School, United Kingdom
20.5 km PM2.5: 3.1 µg/m³

What cities are near Hertford?

5 Ware 5 Hoddesdon 41 Welwyn Garden City 61 Hatfield 38 Cheshunt 40 Waltham Abbey 5 Harlow 45 Potters Bar 42 Enfield Lock 37 Stevenage
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-21T04:53 UTC.