Hourly Weather | Today Wednesday, March 18, 2026
New Brunswick, New Jersey
7 AM
Night
27°
Feels Like 21°
0
Humidity: 50%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
27°
Feels Like 21°
0
Humidity: 50%
UV Index: 1
Wind: 8 mph
9 AM
Cloudy Weather
28°
Feels Like 25°
0
Humidity: 43%
UV Index: 2
Wind: 8 mph
10 AM
Cloudy Weather
30°
Feels Like 28°
0
Humidity: 39%
UV Index: 3
Wind: 9 mph
11 AM
Cloudy Weather
32°
Feels Like 30°
0
Humidity: 36%
UV Index: 3
Wind: 9 mph
12 PM
Cloudy Weather
34°
Feels Like 37°
0
Humidity: 33%
UV Index: 5
Wind: 8 mph
1 PM
Cloudy Weather
37°
Feels Like 43°
0
Humidity: 30%
UV Index: 5
Wind: 6 mph
2 PM
Cloudy Weather
39°
Feels Like 46°
0
Humidity: 29%
UV Index: 5
Wind: 4 mph
3 PM
Cloudy Weather
39°
Feels Like 45°
0
Humidity: 28%
UV Index: 4
Wind: 6 mph
4 PM
Cloudy Weather
39°
Feels Like 41°
0
Humidity: 27%
UV Index: 3
Wind: 6 mph
5 PM
Cloudy Weather
41°
Feels Like 41°
0
Humidity: 26%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
39°
Feels Like 37°
0
Humidity: 30%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 38%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
36°
Feels Like 32°
0
Humidity: 44%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
34°
Feels Like 30°
0
Humidity: 51%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
30°
Feels Like 27°
0
Humidity: 58%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
30°
Feels Like 27°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3 µg/m³
  • PM10: 5.59 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.9 ppb
  • SO2: 1.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 5.52 µg/m³
  • O3: 0.045 ppm
  • NO2: 4.2 ppb
  • SO2: 1.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

9 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2 µg/m³
  • PM10: 3.84 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 AM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.5 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 3.5 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.2 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

1 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.06 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.051 ppm
  • NO2: 3 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.46 µg/m³
  • PM10: 4.22 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 4.49 µg/m³
  • O3: 0.055 ppm
  • NO2: 2.6 ppb
  • SO2: 0.8 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.

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

Pollutant Concentrations:

  • PM2.5: 2.85 µg/m³
  • PM10: 4.38 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.4 ppb
  • SO2: 0.8 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.

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

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.057 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 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
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 4.95 µg/m³
  • O3: 0.055 ppm
  • NO2: 3.2 ppb
  • SO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 3.74 µg/m³
  • PM10: 5.95 µg/m³
  • O3: 0.051 ppm
  • NO2: 5 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 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: 4.22 µg/m³
  • PM10: 6.99 µg/m³
  • O3: 0.049 ppm
  • NO2: 5.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 7.85 µg/m³
  • O3: 0.047 ppm
  • NO2: 5.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.98 µg/m³
  • PM10: 8.42 µg/m³
  • O3: 0.046 ppm
  • NO2: 5.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 8.67 µg/m³
  • O3: 0.047 ppm
  • NO2: 4.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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