Air Quality in Holly Springs, United States
Partly Cloudy
26.0°C · 63.0% humidity
26.0°
Feels 26.0°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
AQI Forecast
24
2pm
25
25
56
5pm
47
41
36
8pm
42
33
31
11pm
37
29
29
2am
28
28
28
5am
27
27
27
8am
27
25
25
11am
25
25
Air Quality Index Trend
43h · 5 stnHolly Springs's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
63.0%
Humidity
36.5 km/h
Wind SE
1012.9 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
14.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Holly Springs?
Temperature & Precipitation
PM2.5 Trend
43h · 5 stationsPM2.514.5 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (2 stations within 25 km)
14.5
Median
14.5
Average
14.0
Low
15.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -8.2
What is the 7-day forecast for Holly Springs?
07-21
32.0° 21.6°
13.06 mm
07-22
36.1° 20.9°
16.44 mm
07-23
36.2° 20.5°
0.44 mm
07-24
29.0° 20.3°
10.63 mm
07-25
34.8° 21.0°
4.69 mm
07-26
32.3° 22.4°
3.44 mm
07-27
26.8° 20.4°
6.5 mm
Both models agree
Avg diff: 4.8°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 2026-07-21T21:30 UTC.