❮
Today Hourly 7 days 30 days Air Quality
❯
Hourly Weather | Today | Tuesday, August 26, 2025
Boston, Massachusetts
1 AM
NightNighttime, with dark skies and stars or a moon visible.
68°
Feels Like 64°
0
Humidity: 75%
Wind: 7 mph
UV Index: 0
2 AM
NightNighttime, with dark skies and stars or a moon visible.
66°
Feels Like 64°
0
Humidity: 76%
Wind: 7 mph
UV Index: 0
3 AM
NightNighttime, with dark skies and stars or a moon visible.
64°
Feels Like 63°
0
Humidity: 71%
Wind: 8 mph
UV Index: 0
4 AM
NightNighttime, with dark skies and stars or a moon visible.
64°
Feels Like 63°
0
Humidity: 73%
Wind: 8 mph
UV Index: 0
5 AM
NightNighttime, with dark skies and stars or a moon visible.
63°
Feels Like 61°
0
Humidity: 74%
Wind: 8 mph
UV Index: 0
6 AM
NightNighttime, with dark skies and stars or a moon visible.
63°
Feels Like 59°
0
Humidity: 76%
Wind: 8 mph
UV Index: 0
7 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
63°
Feels Like 61°
0
Humidity: 71%
Wind: 9 mph
UV Index: 6
8 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
64°
Feels Like 64°
0
Humidity: 65%
Wind: 9 mph
UV Index: 15
9 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
66°
Feels Like 66°
0
Humidity: 60%
Wind: 9 mph
UV Index: 24
10 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
70°
Feels Like 72°
0
Humidity: 54%
Wind: 9 mph
UV Index: 36
11 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
72°
Feels Like 75°
0
Humidity: 48%
Wind: 9 mph
UV Index: 48
12 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
73°
Feels Like 79°
0
Humidity: 45%
Wind: 9 mph
UV Index: 62
1 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
75°
Feels Like 81°
0
Humidity: 41%
Wind: 10 mph
UV Index: 69
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 81°
0
Humidity: 39%
Wind: 10 mph
UV Index: 62
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 81°
0
Humidity: 38%
Wind: 10 mph
UV Index: 48
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 81°
0
Humidity: 36%
Wind: 10 mph
UV Index: 36
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 77°
0
Humidity: 38%
Wind: 10 mph
UV Index: 24
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 75°
0
Humidity: 39%
Wind: 10 mph
UV Index: 15
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 72°
0
Humidity: 43%
Wind: 9 mph
UV Index: 6
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 70°
0
Humidity: 48%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 66°
0
Humidity: 53%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 64°
0
Humidity: 57%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 64°
0
Humidity: 58%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.32 µg/m³
  • PM10: 17.75 µg/m³
  • O₃: 34.44 ppb
  • NO₂: 10.58 ppb
  • SO₂: 0.60 ppb
  • CO: 272.65 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 9.01 µg/m³
  • PM10: 16.51 µg/m³
  • O₃: 34.15 ppb
  • NO₂: 9.53 ppb
  • SO₂: 0.60 ppb
  • CO: 256.63 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 8.35 µg/m³
  • PM10: 13.97 µg/m³
  • O₃: 34.01 ppb
  • NO₂: 8.09 ppb
  • SO₂: 0.66 ppb
  • CO: 230.77 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 7.31 µg/m³
  • PM10: 11.06 µg/m³
  • O₃: 33.74 ppb
  • NO₂: 6.55 ppb
  • SO₂: 0.71 ppb
  • CO: 203.14 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

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

Pollutant Concentrations:

  • PM2.5: 6.41 µg/m³
  • PM10: 9.22 µg/m³
  • O₃: 33.38 ppb
  • NO₂: 5.65 ppb
  • SO₂: 0.74 ppb
  • CO: 186.67 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 AM
50 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.68 µg/m³
  • PM10: 7.94 µg/m³
  • O₃: 32.83 ppb
  • NO₂: 5.50 ppb
  • SO₂: 0.81 ppb
  • CO: 182.30 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 AM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.31 µg/m³
  • PM10: 7.18 µg/m³
  • O₃: 32.25 ppb
  • NO₂: 5.53 ppb
  • SO₂: 0.87 ppb
  • CO: 180.81 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 AM
48 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 4.43 µg/m³
  • O₃: 31.26 ppb
  • NO₂: 4.57 ppb
  • SO₂: 1.00 ppb
  • CO: 160.60 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 AM
46 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.96 µg/m³
  • PM10: 3.96 µg/m³
  • O₃: 35.32 ppb
  • NO₂: 3.92 ppb
  • SO₂: 0.92 ppb
  • CO: 156.47 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 AM
45 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.78 µg/m³
  • PM10: 3.79 µg/m³
  • O₃: 39.38 ppb
  • NO₂: 3.28 ppb
  • SO₂: 0.85 ppb
  • CO: 152.35 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 AM
43 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 3.64 µg/m³
  • O₃: 43.45 ppb
  • NO₂: 2.63 ppb
  • SO₂: 0.77 ppb
  • CO: 148.22 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

12 PM
41 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.48 µg/m³
  • PM10: 3.49 µg/m³
  • O₃: 47.02 ppb
  • NO₂: 2.24 ppb
  • SO₂: 0.68 ppb
  • CO: 144.34 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

1 PM
40 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 3.40 µg/m³
  • PM10: 3.41 µg/m³
  • O₃: 50.59 ppb
  • NO₂: 1.84 ppb
  • SO₂: 0.60 ppb
  • CO: 140.45 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

2 PM
38 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.32 µg/m³
  • PM10: 3.33 µg/m³
  • O₃: 54.16 ppb
  • NO₂: 1.45 ppb
  • SO₂: 0.51 ppb
  • CO: 136.57 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

3 PM
41 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 3.23 µg/m³
  • O₃: 53.49 ppb
  • NO₂: 1.60 ppb
  • SO₂: 0.48 ppb
  • CO: 136.99 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
43 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 3.13 µg/m³
  • O₃: 52.82 ppb
  • NO₂: 1.74 ppb
  • SO₂: 0.45 ppb
  • CO: 137.42 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
45 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.16 µg/m³
  • PM10: 3.17 µg/m³
  • O₃: 52.15 ppb
  • NO₂: 1.89 ppb
  • SO₂: 0.42 ppb
  • CO: 137.84 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
46 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.40 µg/m³
  • PM10: 3.41 µg/m³
  • O₃: 46.84 ppb
  • NO₂: 4.26 ppb
  • SO₂: 0.52 ppb
  • CO: 153.72 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
46 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 4.41 µg/m³
  • PM10: 4.43 µg/m³
  • O₃: 41.53 ppb
  • NO₂: 6.62 ppb
  • SO₂: 0.62 ppb
  • CO: 169.60 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
44 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.82 µg/m³
  • PM10: 5.82 µg/m³
  • O₃: 36.23 ppb
  • NO₂: 8.99 ppb
  • SO₂: 0.72 ppb
  • CO: 185.49 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 PM
42 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.65 µg/m³
  • PM10: 6.66 µg/m³
  • O₃: 33.12 ppb
  • NO₂: 9.40 ppb
  • SO₂: 0.79 ppb
  • CO: 189.05 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 PM
40 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.89 µg/m³
  • PM10: 6.90 µg/m³
  • O₃: 30.01 ppb
  • NO₂: 9.80 ppb
  • SO₂: 0.87 ppb
  • CO: 192.62 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 PM
36 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.75 µg/m³
  • PM10: 6.76 µg/m³
  • O₃: 26.90 ppb
  • NO₂: 10.21 ppb
  • SO₂: 0.94 ppb
  • CO: 196.19 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

Current Real-Time Air Quality Report