Hourly Weather | Today Tuesday, June 30, 2026
Newton, Massachusetts
1 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 75%
UV Index: 0
Wind: 6 mph
2 AM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 96%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 100%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 100%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 99%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 89%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
70°
Feels Like 72°
5
Humidity: 79%
UV Index: 2
Wind: 7 mph
9 AM
Cloudy Weather
75°
Feels Like 79°
5
Humidity: 68%
UV Index: 3
Wind: 7 mph
10 AM
Sunny Weather
79°
Feels Like 82°
6
Humidity: 62%
UV Index: 5
Wind: 8 mph
11 AM
Cloudy Weather
81°
Feels Like 88°
7
Humidity: 56%
UV Index: 7
Wind: 8 mph
12 PM
Cloudy Weather
84°
Feels Like 91°
7
Humidity: 50%
UV Index: 9
Wind: 9 mph
1 PM
Cloudy Weather
86°
Feels Like 91°
10
Humidity: 45%
UV Index: 10
Wind: 10 mph
2 PM
Cloudy Weather
88°
Feels Like 91°
15
Humidity: 43%
UV Index: 9
Wind: 12 mph
3 PM
Cloudy Weather
90°
Feels Like 90°
15
Humidity: 42%
UV Index: 5
Wind: 13 mph
4 PM
Cloudy Weather
88°
Feels Like 88°
19
Humidity: 45%
UV Index: 3
Wind: 14 mph
5 PM
Stormy Weather
84°
Feels Like 82°
51
Humidity: 53%
UV Index: 1
Wind: 14 mph
6 PM
Cloudy Weather
84°
Feels Like 84°
47
Humidity: 54%
UV Index: 1
Wind: 14 mph
7 PM
Cloudy Weather
82°
Feels Like 82°
40
Humidity: 57%
UV Index: 1
Wind: 13 mph
8 PM
Cloudy Weather
81°
Feels Like 79°
34
Humidity: 61%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Night
79°
Feels Like 75°
34
Humidity: 63%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Night
75°
Feels Like 73°
37
Humidity: 62%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
75°
Feels Like 72°
47
Humidity: 62%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.85 µg/m³
  • PM10: 11.42 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 AM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 11.29 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

3 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.68 µg/m³
  • PM10: 11.03 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

4 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.52 µg/m³
  • PM10: 10.84 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 AM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.38 µg/m³
  • PM10: 10.72 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 AM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.32 µg/m³
  • PM10: 10.72 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 AM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.29 µg/m³
  • PM10: 10.87 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 AM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.35 µg/m³
  • PM10: 11.21 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.92 µg/m³
  • PM10: 12.23 µg/m³
  • O3: 0.030 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 AM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.32 µg/m³
  • PM10: 13.96 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 AM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.67 µg/m³
  • PM10: 18.61 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.8 ppb
  • SO2: 0.8 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.

12 PM
86 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 20.12 µg/m³
  • PM10: 23.29 µg/m³
  • O3: 0.066 ppm
  • NO2: 1.3 ppb
  • SO2: 1 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.

1 PM
91 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 20.62 µg/m³
  • PM10: 24.07 µg/m³
  • O3: 0.067 ppm
  • NO2: 1.3 ppb
  • SO2: 0.9 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.

2 PM
91 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 20.6 µg/m³
  • PM10: 24.42 µg/m³
  • O3: 0.067 ppm
  • NO2: 1.3 ppb
  • SO2: 0.9 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.

3 PM
89 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 18.89 µg/m³
  • PM10: 22.76 µg/m³
  • O3: 0.067 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 PM
85 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 15.83 µg/m³
  • PM10: 19.6 µg/m³
  • O3: 0.065 ppm
  • NO2: 1.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 PM
80 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12.72 µg/m³
  • PM10: 16.38 µg/m³
  • O3: 0.064 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.37 µg/m³
  • PM10: 13.83 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.96 µg/m³
  • PM10: 12.64 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.84 µg/m³
  • PM10: 11.85 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.74 µg/m³
  • PM10: 11.06 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.74 µg/m³
  • PM10: 10.38 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.85 µg/m³
  • PM10: 9.67 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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