Air Quality in Rock Hill, United States
Windy
20.8°C · 47.1% humidity
20.8°
Feels 20.8°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Rock Hill's air quality — share it
AQI Forecast
Calibrated
21
7pm
21
41
15
10pm
22
28
31
1am
34
36
37
4am
38
39
40
7am
40
40
41
10am
41
41
41
1pm
41
41
41
4pm
41
41
Station readings
28h ago
AQI 21
PM2.5 5.0 µg/m³ · 28h ago
Air Quality Index Trend
46h · 1 stnRock Hill's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
47.1%
Humidity
51.4 km/h
Wind NW
1008.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.6 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Rock Hill?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.53.6 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
3.6
Median
3.6
Average
3.6
Low
3.6
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +7.2
What is the 7-day forecast for Rock Hill?
06-09
27.9° 15.0°
0.25 mm
06-10
35.0° 21.6°
2.94 mm
06-11
27.6° 20.8°
06-12
37.7° 21.0°
1.19 mm
06-13
30.8° 19.4°
1.81 mm
06-14
34.0° 20.3°
8.94 mm
06-15
33.9° 18.1°
Both models agree
Avg diff: 3.7°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 2026-06-09T02:23 UTC.