Air Quality in Hereford, United States
Heavy Rain
28.4°C · 18.6% humidity
28.4°
Feels 28.4°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Hereford's air quality — share it
AQI Forecast
25
2pm
25
25
44
5pm
39
35
32
8pm
30
29
28
11pm
27
26
26
2am
26
25
25
5am
25
25
27
8am
27
27
25
11am
25
25
Hereford's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Hereford is 2.1× the WHO annual guideline of 5 µg/m³.
18.6%
Humidity
98.7 km/h
Wind NE
1017.3 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.65 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Hereford?
Temperature & Precipitation
PM2.510.65 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Hereford?
05-28
33.6° 13.7°
2.94 mm
05-29
30.5° 14.9°
15.81 mm
05-30
30.2° 18.9°
0.94 mm
05-31
26.6° 13.2°
06-01
35.9° 18.7°
06-02
34.8° 20.1°
0.25 mm
06-03
33.6° 22.7°
Both models agree
Avg diff: 4.9°C
What cities are near Hereford?
Get AQI alerts for Hereford
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T22:52 UTC.