Air Quality in Guilford, United States
Heavy Rain
16.5°C · 93.4% humidity
16.5°
Feels 16.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Guilford's air quality — share it
AQI Forecast
34
5pm
34
27
42
8pm
36
35
33
11pm
31
28
26
2am
25
25
25
5am
25
25
25
8am
25
25
25
11am
25
25
25
2pm
25
25
Air Quality Index Trend
29h · 2 stnGuilford's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
93.4%
Humidity
133.0 km/h
Wind NNW
1011.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.04 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Guilford?
Temperature & Precipitation
PM2.5 Trend
29h · 2 stationsPM2.510.04 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Guilford?
07-22
21.9° 15.4°
42.19 mm
07-23
25.9° 17.7°
4.88 mm
07-24
24.3° 17.5°
4.0 mm
07-25
27.2° 21.3°
12.88 mm
07-26
22.3° 18.9°
0.75 mm
07-27
22.8° 20.8°
2.0 mm
07-28
28.6° 22.4°
0.69 mm
Both models agree
Avg diff: 2.3°C
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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 2026-07-22T00:54 UTC.