Hourly Weather | Today Thursday, February 26, 2026
Union City, New Jersey
3 AM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 76%
UV Index: 0
Wind: 8 mph
4 AM
Cloudy Night
36°
Feels Like 28°
0
Humidity: 71%
UV Index: 0
Wind: 7 mph
5 AM
Cloudy Night
36°
Feels Like 30°
0
Humidity: 68%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
36°
Feels Like 30°
0
Humidity: 64%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
36°
Feels Like 32°
0
Humidity: 60%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 61%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
36°
Feels Like 36°
0
Humidity: 58%
UV Index: 2
Wind: 6 mph
10 AM
Cloudy Weather
37°
Feels Like 39°
0
Humidity: 54%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
39°
Feels Like 41°
0
Humidity: 50%
UV Index: 2
Wind: 7 mph
12 PM
Cloudy Weather
41°
Feels Like 43°
0
Humidity: 48%
UV Index: 2
Wind: 6 mph
1 PM
Snowy Weather
43°
Feels Like 39°
45
Humidity: 46%
UV Index: 1
Wind: 6 mph
2 PM
Rainy Weather
43°
Feels Like 41°
45
Humidity: 45%
UV Index: 1
Wind: 6 mph
3 PM
Cloudy Weather
41°
Feels Like 39°
40
Humidity: 51%
UV Index: 1
Wind: 6 mph
4 PM
Cloudy Weather
39°
Feels Like 37°
15
Humidity: 55%
UV Index: 0
Wind: 6 mph
5 PM
Cloudy Weather
39°
Feels Like 37°
15
Humidity: 56%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Weather
39°
Feels Like 36°
17
Humidity: 58%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
37°
Feels Like 36°
20
Humidity: 58%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
37°
Feels Like 34°
20
Humidity: 59%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
36°
Feels Like 30°
20
Humidity: 61%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
36°
Feels Like 30°
20
Humidity: 61%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
34°
Feels Like 30°
20
Humidity: 60%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.97 µg/m³
  • PM10: 13.05 µg/m³
  • O3: 0.030 ppm
  • NO2: 8.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.84 µg/m³
  • PM10: 13.93 µg/m³
  • O3: 0.029 ppm
  • NO2: 8.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.47 µg/m³
  • PM10: 14.47 µg/m³
  • O3: 0.029 ppm
  • NO2: 8.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.11 µg/m³
  • PM10: 14.95 µg/m³
  • O3: 0.031 ppm
  • NO2: 7.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.13 µg/m³
  • PM10: 16.06 µg/m³
  • O3: 0.032 ppm
  • NO2: 8.7 ppb
  • SO2: 1.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14 µg/m³
  • PM10: 17.13 µg/m³
  • O3: 0.032 ppm
  • NO2: 10.9 ppb
  • SO2: 1.6 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.22 µg/m³
  • PM10: 17.52 µg/m³
  • O3: 0.034 ppm
  • NO2: 11.2 ppb
  • SO2: 1.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.61 µg/m³
  • PM10: 16.74 µg/m³
  • O3: 0.038 ppm
  • NO2: 9.7 ppb
  • SO2: 1.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.79 µg/m³
  • PM10: 15.52 µg/m³
  • O3: 0.043 ppm
  • NO2: 9 ppb
  • SO2: 1.8 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

12 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.25 µg/m³
  • PM10: 17.09 µg/m³
  • O3: 0.044 ppm
  • NO2: 8.9 ppb
  • SO2: 1.9 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

1 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.74 µg/m³
  • PM10: 18.58 µg/m³
  • O3: 0.046 ppm
  • NO2: 9 ppb
  • SO2: 1.9 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

2 PM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.44 µg/m³
  • PM10: 21.59 µg/m³
  • O3: 0.046 ppm
  • NO2: 11 ppb
  • SO2: 2 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

3 PM
71 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.79 µg/m³
  • PM10: 25.54 µg/m³
  • O3: 0.043 ppm
  • NO2: 14.3 ppb
  • SO2: 2.2 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.

4 PM
75 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.58 µg/m³
  • PM10: 27.71 µg/m³
  • O3: 0.040 ppm
  • NO2: 18.1 ppb
  • SO2: 2.3 ppb
  • CO: 0.31 ppm

Health Recommendations:

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

5 PM
77 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 24.77 µg/m³
  • PM10: 29.28 µg/m³
  • O3: 0.035 ppm
  • NO2: 23.1 ppb
  • SO2: 2.3 ppb
  • CO: 0.34 ppm

Health Recommendations:

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

6 PM
80 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 26.27 µg/m³
  • PM10: 31.32 µg/m³
  • O3: 0.028 ppm
  • NO2: 29.3 ppb
  • SO2: 2.3 ppb
  • CO: 0.37 ppm

Health Recommendations:

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

7 PM
85 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 28.15 µg/m³
  • PM10: 33.88 µg/m³
  • O3: 0.022 ppm
  • NO2: 32.3 ppb
  • SO2: 2.3 ppb
  • CO: 0.40 ppm

Health Recommendations:

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

8 PM
89 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 30.26 µg/m³
  • PM10: 36.58 µg/m³
  • O3: 0.018 ppm
  • NO2: 33.6 ppb
  • SO2: 2.3 ppb
  • CO: 0.42 ppm

Health Recommendations:

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

9 PM
96 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 33.5 µg/m³
  • PM10: 40.45 µg/m³
  • O3: 0.016 ppm
  • NO2: 35.5 ppb
  • SO2: 2.4 ppb
  • CO: 0.45 ppm

Health Recommendations:

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

10 PM
107 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 38.09 µg/m³
  • PM10: 45.91 µg/m³
  • O3: 0.013 ppm
  • NO2: 38.3 ppb
  • SO2: 2.6 ppb
  • CO: 0.48 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

11 PM
118 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 42.7 µg/m³
  • PM10: 51.15 µg/m³
  • O3: 0.010 ppm
  • NO2: 40.7 ppb
  • SO2: 2.7 ppb
  • CO: 0.51 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.