Hourly Weather | Today Monday, April 27, 2026
Brockton, Massachusetts
4 PM
Cloudy Weather
64°
Feels Like 68°
0
Humidity: 33%
UV Index: 4
Wind: 8 mph
5 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 36%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 39%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 44%
UV Index: 1
Wind: 6 mph
8 PM
Night
54°
Feels Like 54°
0
Humidity: 52%
UV Index: 0
Wind: 5 mph
9 PM
Night
50°
Feels Like 48°
0
Humidity: 62%
UV Index: 0
Wind: 5 mph
10 PM
Night
46°
Feels Like 45°
0
Humidity: 74%
UV Index: 0
Wind: 5 mph
11 PM
Night
43°
Feels Like 41°
0
Humidity: 85%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.39 µg/m³
  • PM10: 7.35 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.8 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.

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

Pollutant Concentrations:

  • PM2.5: 4.44 µg/m³
  • PM10: 5.33 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 3.2 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 2.59 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 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: 2.19 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 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: 2.24 µg/m³
  • PM10: 3.28 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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