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Hourly Weather | Today | Saturday, August 9, 2025
Rochester, New York
2 AM
NightNighttime, with dark skies and stars or a moon visible.
72°
Feels Like 70°
0
Humidity: 69%
Wind: 8 mph
UV Index: 0
3 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 68°
0
Humidity: 73%
Wind: 8 mph
UV Index: 0
4 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 66°
0
Humidity: 75%
Wind: 8 mph
UV Index: 0
5 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 64°
0
Humidity: 77%
Wind: 8 mph
UV Index: 0
6 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 64°
0
Humidity: 79%
Wind: 8 mph
UV Index: 0
7 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
68°
Feels Like 66°
0
Humidity: 76%
Wind: 8 mph
UV Index: 1
8 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
70°
Feels Like 70°
0
Humidity: 72%
Wind: 8 mph
UV Index: 2
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 75°
0
Humidity: 64%
Wind: 8 mph
UV Index: 3
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 81°
0
Humidity: 59%
Wind: 7 mph
UV Index: 4
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 88°
0
Humidity: 56%
Wind: 7 mph
UV Index: 6
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 91°
0
Humidity: 51%
Wind: 7 mph
UV Index: 7
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
86°
Feels Like 93°
0
Humidity: 46%
Wind: 7 mph
UV Index: 8
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 95°
0
Humidity: 44%
Wind: 7 mph
UV Index: 7
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
90°
Feels Like 93°
0
Humidity: 43%
Wind: 7 mph
UV Index: 6
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
90°
Feels Like 93°
0
Humidity: 41%
Wind: 7 mph
UV Index: 4
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 91°
0
Humidity: 43%
Wind: 7 mph
UV Index: 3
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 90°
0
Humidity: 45%
Wind: 7 mph
UV Index: 2
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
86°
Feels Like 86°
0
Humidity: 50%
Wind: 7 mph
UV Index: 1
8 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 82°
0
Humidity: 56%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
81°
Feels Like 81°
0
Humidity: 63%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
77°
Feels Like 77°
0
Humidity: 68%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 75°
0
Humidity: 73%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
94 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.05 µg/m³
  • PM10: 21.10 µg/m³
  • O₃: 32.03 ppb
  • NO₂: 9.12 ppb
  • SO₂: 0.35 ppb
  • CO: 288.30 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

3 AM
92 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.53 µg/m³
  • PM10: 16.61 µg/m³
  • O₃: 34.28 ppb
  • NO₂: 6.96 ppb
  • SO₂: 0.57 ppb
  • CO: 265.16 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

4 AM
90 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.71 µg/m³
  • PM10: 13.80 µg/m³
  • O₃: 36.85 ppb
  • NO₂: 5.49 ppb
  • SO₂: 0.76 ppb
  • CO: 243.14 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

5 AM
89 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.02 µg/m³
  • PM10: 12.12 µg/m³
  • O₃: 39.54 ppb
  • NO₂: 4.29 ppb
  • SO₂: 0.93 ppb
  • CO: 221.57 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

6 AM
87 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.58 µg/m³
  • PM10: 10.69 µg/m³
  • O₃: 39.92 ppb
  • NO₂: 3.88 ppb
  • SO₂: 0.94 ppb
  • CO: 211.46 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

7 AM
84 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.74 µg/m³
  • PM10: 5.87 µg/m³
  • O₃: 41.74 ppb
  • NO₂: 1.85 ppb
  • SO₂: 1.10 ppb
  • CO: 183.15 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

8 AM
82 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.41 µg/m³
  • PM10: 5.56 µg/m³
  • O₃: 41.77 ppb
  • NO₂: 1.85 ppb
  • SO₂: 1.06 ppb
  • CO: 175.74 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

9 AM
80 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.49 µg/m³
  • PM10: 5.64 µg/m³
  • O₃: 47.97 ppb
  • NO₂: 1.80 ppb
  • SO₂: 1.24 ppb
  • CO: 183.03 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

10 AM
78 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.98 µg/m³
  • PM10: 6.16 µg/m³
  • O₃: 54.17 ppb
  • NO₂: 1.75 ppb
  • SO₂: 1.42 ppb
  • CO: 190.31 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

11 AM
76 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.65 µg/m³
  • PM10: 7.89 µg/m³
  • O₃: 60.38 ppb
  • NO₂: 1.70 ppb
  • SO₂: 1.60 ppb
  • CO: 197.60 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

12 PM
74 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.49 µg/m³
  • PM10: 11.79 µg/m³
  • O₃: 67.60 ppb
  • NO₂: 1.60 ppb
  • SO₂: 1.69 ppb
  • CO: 209.47 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

1 PM
72 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.47 µg/m³
  • PM10: 14.82 µg/m³
  • O₃: 74.82 ppb
  • NO₂: 1.49 ppb
  • SO₂: 1.78 ppb
  • CO: 221.34 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

2 PM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.48 µg/m³
  • PM10: 15.79 µg/m³
  • O₃: 82.04 ppb
  • NO₂: 1.39 ppb
  • SO₂: 1.87 ppb
  • CO: 233.21 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

3 PM
80 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.80 µg/m³
  • PM10: 16.09 µg/m³
  • O₃: 82.55 ppb
  • NO₂: 1.45 ppb
  • SO₂: 1.72 ppb
  • CO: 234.43 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

4 PM
96 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.72 µg/m³
  • PM10: 16.02 µg/m³
  • O₃: 83.07 ppb
  • NO₂: 1.51 ppb
  • SO₂: 1.56 ppb
  • CO: 235.65 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

5 PM
109 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.50 µg/m³
  • PM10: 15.85 µg/m³
  • O₃: 83.58 ppb
  • NO₂: 1.57 ppb
  • SO₂: 1.41 ppb
  • CO: 236.86 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

6 PM
119 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.48 µg/m³
  • PM10: 15.84 µg/m³
  • O₃: 76.73 ppb
  • NO₂: 3.06 ppb
  • SO₂: 1.34 ppb
  • CO: 249.26 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

7 PM
123 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.82 µg/m³
  • PM10: 16.12 µg/m³
  • O₃: 69.89 ppb
  • NO₂: 4.54 ppb
  • SO₂: 1.26 ppb
  • CO: 261.66 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

8 PM
121 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 16.12 µg/m³
  • PM10: 16.42 µg/m³
  • O₃: 63.04 ppb
  • NO₂: 6.02 ppb
  • SO₂: 1.19 ppb
  • CO: 274.07 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

9 PM
112 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 16.29 µg/m³
  • PM10: 16.58 µg/m³
  • O₃: 52.86 ppb
  • NO₂: 6.94 ppb
  • SO₂: 1.18 ppb
  • CO: 280.11 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

10 PM
97 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.50 µg/m³
  • PM10: 15.73 µg/m³
  • O₃: 42.68 ppb
  • NO₂: 7.86 ppb
  • SO₂: 1.16 ppb
  • CO: 286.16 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

11 PM
77 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.33 µg/m³
  • PM10: 14.55 µg/m³
  • O₃: 32.50 ppb
  • NO₂: 8.78 ppb
  • SO₂: 1.14 ppb
  • CO: 292.20 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.