Hourly Weather | Today Wednesday, March 18, 2026
Providence, Rhode Island
7 AM
Sunny Weather
25°
Feels Like 18°
0
Humidity: 54%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
23°
Feels Like 19°
0
Frost Risk: 73%
Humidity: 53%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
27°
Feels Like 25°
0
Humidity: 49%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
28°
Feels Like 27°
0
Humidity: 42%
UV Index: 3
Wind: 8 mph
11 AM
Cloudy Weather
30°
Feels Like 30°
0
Humidity: 37%
UV Index: 4
Wind: 8 mph
12 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 33%
UV Index: 4
Wind: 7 mph
1 PM
Cloudy Weather
34°
Feels Like 43°
0
Humidity: 30%
UV Index: 5
Wind: 6 mph
2 PM
Cloudy Weather
36°
Feels Like 46°
0
Humidity: 28%
UV Index: 4
Wind: 5 mph
3 PM
Cloudy Weather
36°
Feels Like 39°
0
Humidity: 28%
UV Index: 4
Wind: 6 mph
4 PM
Cloudy Weather
37°
Feels Like 37°
0
Humidity: 28%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 31%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
36°
Feels Like 30°
0
Humidity: 35%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Night
34°
Feels Like 27°
0
Humidity: 43%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
27°
Feels Like 23°
0
Humidity: 67%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
25°
Feels Like 23°
0
Frost Risk: 91%
Humidity: 71%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.57 µg/m³
  • PM10: 1.31 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.58 µg/m³
  • PM10: 1.28 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 1.23 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.61 µg/m³
  • PM10: 1.25 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 AM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.71 µg/m³
  • PM10: 1.34 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

12 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

1 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.18 µg/m³
  • PM10: 1.81 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.54 µg/m³
  • PM10: 2.14 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 2.49 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 2.66 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 2.59 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

6 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.11 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.39 µg/m³
  • PM10: 1.78 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 1.77 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 1.38 µg/m³
  • PM10: 1.86 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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