Today | Weather | Wednesday, February 25, 2026

Weather in Rock Hill, South Carolina

11:22 PM
Now
Cloudy Weather
54° F
Feels Like 52°
Precipitation 44 %
Wind 7 mph
Humidity 82 %
Today
Rainy Weather
Day 59°
Night 52°
Precipitation 96 %
Wind 8 mph

Rock Hill Weather Forecast Updated

Last updated on

Air Quality in Rock Hill

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.82 µg/m³
PM10 7.31 µg/m³
O3 0.046 ppm
NO2 1.3 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.8 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.82 µg/m³
PM107.31 µg/m³
O390.89 µg/m³
NO22.48 µg/m³
SO20.74 µg/m³
CO152.41 µg/m³
NH30.8 µg/m³
NO0 µg/m³