Hourly Weather | Today Monday, April 27, 2026
Rock Hill, South Carolina
3 PM
Sunny Weather
70°
Feels Like 77°
0
Humidity: 42%
UV Index: 7
Wind: 6 mph
4 PM
Cloudy Weather
72°
Feels Like 77°
0
Humidity: 39%
UV Index: 4
Wind: 6 mph
5 PM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 37%
UV Index: 3
Wind: 6 mph
6 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 39%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 44%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 51%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 59%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 66%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 72%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.93 µg/m³
  • PM10: 4.8 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.15 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 PM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 5.19 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.46 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 6.05 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.7 µg/m³
  • PM10: 6.38 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 6.52 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 6.58 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 6.55 µg/m³
  • O3: 0.039 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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