Hourly Weather | Today Tuesday, April 7, 2026
Quincy, Massachusetts
8 AM
Rainy Weather
37°
Feels Like 27°
56
Humidity: 69%
UV Index: 0
Wind: 10 mph
9 AM
Rainy Weather
37°
Feels Like 30°
53
Humidity: 72%
UV Index: 1
Wind: 9 mph
10 AM
Rainy Weather
39°
Feels Like 34°
51
Humidity: 72%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
41°
Feels Like 39°
39
Humidity: 72%
UV Index: 1
Wind: 7 mph
12 PM
Cloudy Weather
43°
Feels Like 39°
33
Humidity: 71%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
45°
Feels Like 41°
39
Humidity: 70%
UV Index: 2
Wind: 9 mph
2 PM
Rainy Weather
45°
Feels Like 37°
55
Humidity: 68%
UV Index: 2
Wind: 12 mph
3 PM
Cloudy Weather
46°
Feels Like 39°
47
Humidity: 62%
UV Index: 2
Wind: 13 mph
4 PM
Partly Sunny with Showers
46°
Feels Like 37°
55
Humidity: 54%
UV Index: 1
Wind: 14 mph
5 PM
Cloudy Weather
45°
Feels Like 37°
40
Humidity: 51%
UV Index: 1
Wind: 15 mph
6 PM
Cloudy Weather
45°
Feels Like 36°
34
Humidity: 50%
UV Index: 1
Wind: 16 mph
7 PM
Cloudy Weather
43°
Feels Like 30°
23
Humidity: 52%
UV Index: 0
Wind: 16 mph
8 PM
Cloudy Night
39°
Feels Like 28°
2
Humidity: 54%
UV Index: 0
Wind: 14 mph
9 PM
Cloudy Night
37°
Feels Like 25°
2
Humidity: 56%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Night
34°
Feels Like 19°
2
Humidity: 58%
UV Index: 0
Wind: 17 mph
11 PM
Cloudy Night
34°
Feels Like 18°
2
Humidity: 58%
UV Index: 0
Wind: 17 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 4.49 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 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: 4.07 µg/m³
  • PM10: 6.21 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.5 µg/m³
  • PM10: 8.22 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.96 µg/m³
  • PM10: 9.67 µg/m³
  • O3: 0.052 ppm
  • NO2: 4.4 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.57 µg/m³
  • PM10: 7.25 µg/m³
  • O3: 0.057 ppm
  • NO2: 3 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.1 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.060 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 3.83 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.9 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.

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

Pollutant Concentrations:

  • PM2.5: 2.39 µg/m³
  • PM10: 2.85 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.22 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 1.53 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 1.58 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.4 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 1.23 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.7 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
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.69 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 1.06 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.6 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
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 1.07 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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