Hourly Weather | Today › Monday, November 2, 2026
Newton, Massachusetts
1 AM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 71%
UV Index: 0
Wind: 6 mph
2 AM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 74%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 75%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 78%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
48°
Feels Like 48°
0
Humidity: 81%
UV Index: 0
Wind: 5 mph
8 AM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 75%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
57°
Feels Like 59°
0
Humidity: 63%
UV Index: 2
Wind: 6 mph
10 AM
Cloudy Weather
61°
Feels Like 64°
0
Humidity: 58%
UV Index: 2
Wind: 6 mph
11 AM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 52%
UV Index: 3
Wind: 6 mph
12 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 47%
UV Index: 3
Wind: 7 mph
1 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 43%
UV Index: 3
Wind: 7 mph
2 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 42%
UV Index: 2
Wind: 7 mph
3 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 45%
UV Index: 2
Wind: 6 mph
4 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 50%
UV Index: 1
Wind: 6 mph
5 PM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
55°
Feels Like 55°
0
Humidity: 70%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 76%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 78%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 11.56 µg/m³
  • PM10: 18.21 µg/m³
  • O3: 0.025 ppm
  • NO2: 11.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.74 µg/m³
  • PM10: 18.48 µg/m³
  • O3: 0.023 ppm
  • NO2: 13.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.97 µg/m³
  • PM10: 18.88 µg/m³
  • O3: 0.020 ppm
  • NO2: 14.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

4 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.49 µg/m³
  • PM10: 19.62 µg/m³
  • O3: 0.018 ppm
  • NO2: 15.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.22 µg/m³
  • PM10: 20.46 µg/m³
  • O3: 0.016 ppm
  • NO2: 16.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

6 AM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.68 µg/m³
  • PM10: 20.86 µg/m³
  • O3: 0.015 ppm
  • NO2: 17.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

7 AM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.89 µg/m³
  • PM10: 20.85 µg/m³
  • O3: 0.015 ppm
  • NO2: 17.8 ppb
  • SO2: 1.4 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

8 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.24 µg/m³
  • PM10: 19.89 µg/m³
  • O3: 0.018 ppm
  • NO2: 16.9 ppb
  • SO2: 1.5 ppb
  • CO: 0.29 ppm

Health Recommendations:

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

9 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.66 µg/m³
  • PM10: 19.07 µg/m³
  • O3: 0.022 ppm
  • NO2: 14.1 ppb
  • SO2: 1.6 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

10 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.33 µg/m³
  • PM10: 18.55 µg/m³
  • O3: 0.027 ppm
  • NO2: 12.3 ppb
  • SO2: 1.8 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.52 µg/m³
  • PM10: 17.39 µg/m³
  • O3: 0.036 ppm
  • NO2: 10.8 ppb
  • SO2: 2.1 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

12 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.94 µg/m³
  • PM10: 17.82 µg/m³
  • O3: 0.040 ppm
  • NO2: 10.3 ppb
  • SO2: 2.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

1 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.11 µg/m³
  • PM10: 17.81 µg/m³
  • O3: 0.043 ppm
  • NO2: 9.7 ppb
  • SO2: 2 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

2 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.89 µg/m³
  • PM10: 16.08 µg/m³
  • O3: 0.047 ppm
  • NO2: 8.7 ppb
  • SO2: 1.7 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.45 µg/m³
  • PM10: 15.46 µg/m³
  • O3: 0.048 ppm
  • NO2: 8.6 ppb
  • SO2: 1.5 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 14.95 µg/m³
  • O3: 0.047 ppm
  • NO2: 8.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.68 µg/m³
  • PM10: 14.34 µg/m³
  • O3: 0.046 ppm
  • NO2: 8.9 ppb
  • SO2: 1.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.46 µg/m³
  • PM10: 13.91 µg/m³
  • O3: 0.044 ppm
  • NO2: 7.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.08 µg/m³
  • PM10: 13.25 µg/m³
  • O3: 0.043 ppm
  • NO2: 6.5 ppb
  • SO2: 1 ppb
  • CO: 0.18 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: 8.42 µg/m³
  • PM10: 12.28 µg/m³
  • O3: 0.043 ppm
  • NO2: 5 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.73 µg/m³
  • PM10: 11.32 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.09 µg/m³
  • PM10: 10.5 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.52 µg/m³
  • PM10: 9.83 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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