Hourly Weather | Today Monday, September 21, 2026
Trenton, New Jersey
4 PM
Rainy Weather
70°
Feels Like 68°
47
Humidity: 66%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
68°
Feels Like 66°
45
Humidity: 68%
UV Index: 1
Wind: 7 mph
6 PM
Rainy Weather
66°
Feels Like 63°
53
Humidity: 73%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
64°
Feels Like 63°
49
Humidity: 78%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
63°
Feels Like 61°
34
Humidity: 88%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
61°
Feels Like 61°
34
Humidity: 92%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
61°
Feels Like 61°
38
Humidity: 93%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
61°
Feels Like 59°
49
Humidity: 95%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.27 µg/m³
  • PM10: 5.72 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.25 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.21 µg/m³
  • PM10: 6.16 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.13 µg/m³
  • PM10: 6.31 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.95 µg/m³
  • PM10: 6.32 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.55 µg/m³
  • PM10: 5.98 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 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: 3.16 µg/m³
  • PM10: 5.63 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.89 µg/m³
  • PM10: 5.51 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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