Hourly Weather | Today Tuesday, June 30, 2026
Active Weather Warnings
New Brunswick, New Jersey
5 AM
Cloudy Night
64°
Feels Like 66°
0
Humidity: 90%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 85%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 78%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
73°
Feels Like 75°
7
Humidity: 72%
UV Index: 2
Wind: 6 mph
9 AM
Cloudy Weather
77°
Feels Like 81°
7
Humidity: 64%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
81°
Feels Like 86°
7
Humidity: 57%
UV Index: 4
Wind: 7 mph
11 AM
Cloudy Weather
84°
Feels Like 91°
7
Humidity: 51%
UV Index: 6
Wind: 7 mph
12 PM
Cloudy Weather
88°
Feels Like 95°
7
Humidity: 46%
UV Index: 8
Wind: 8 mph
1 PM
Cloudy Weather
90°
Feels Like 97°
5
Humidity: 42%
UV Index: 9
Wind: 8 mph
2 PM
Cloudy Weather
91°
Feels Like 97°
0
Humidity: 39%
UV Index: 8
Wind: 9 mph
3 PM
Cloudy Weather
91°
Feels Like 95°
0
Humidity: 37%
UV Index: 6
Wind: 9 mph
4 PM
Cloudy Weather
93°
Feels Like 95°
0
Humidity: 34%
UV Index: 4
Wind: 9 mph
5 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 35%
UV Index: 3
Wind: 9 mph
6 PM
Cloudy Weather
90°
Feels Like 90°
0
Humidity: 36%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
88°
Feels Like 86°
1
Humidity: 39%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
86°
Feels Like 84°
5
Humidity: 42%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
82°
Feels Like 81°
5
Humidity: 46%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
81°
Feels Like 77°
5
Humidity: 49%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
77°
Feels Like 75°
5
Humidity: 53%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.76 µg/m³
  • PM10: 12.41 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.74 µg/m³
  • PM10: 12.58 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.79 µg/m³
  • PM10: 12.85 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.87 µg/m³
  • PM10: 13.06 µg/m³
  • O3: 0.022 ppm
  • NO2: 3.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.65 µg/m³
  • PM10: 12.32 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.68 µg/m³
  • PM10: 12.13 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.2 µg/m³
  • PM10: 12.51 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.31 µg/m³
  • PM10: 9.27 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.1 ppb
  • SO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 6.63 µg/m³
  • PM10: 8.35 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.7 ppb
  • SO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 8.12 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.85 µg/m³
  • PM10: 7.82 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 7.54 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.93 µg/m³
  • PM10: 7.38 µg/m³
  • O3: 0.049 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.69 µg/m³
  • PM10: 7.49 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 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: 4.63 µg/m³
  • PM10: 7.87 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.54 µg/m³
  • PM10: 8.11 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.4 µg/m³
  • PM10: 8.14 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.35 µg/m³
  • PM10: 8.31 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.33 µg/m³
  • PM10: 8.52 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

Weather Alerts and Warnings for New Brunswick

Air Quality Alert

Air Quality Alert issued June 29 at 3:45PM EDT by NWS Mount Holly NJ
Jun 29, 3:45 PM Jul 1, 12:00 AM
The New Jersey Department of Environmental Protection has issued
a code orange air quality alert Tuesday for Middlesex and Mercer
Counties in New Jersey.

A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone and fine
particles...visit http://www.state.nj.us/dep/
Updated: Jun 30, 3:57 AM Source: NWS Alert