Hourly Weather | Today Wednesday, August 12, 2026
Trenton, New Jersey
9 AM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 71%
UV Index: 3
Wind: 5 mph
10 AM
Cloudy Weather
77°
Feels Like 82°
0
Humidity: 63%
UV Index: 4
Wind: 6 mph
11 AM
Cloudy Weather
79°
Feels Like 86°
0
Humidity: 56%
UV Index: 6
Wind: 6 mph
12 PM
Cloudy Weather
81°
Feels Like 90°
0
Humidity: 51%
UV Index: 8
Wind: 6 mph
1 PM
Cloudy Weather
82°
Feels Like 91°
0
Humidity: 48%
UV Index: 9
Wind: 6 mph
2 PM
Cloudy Weather
84°
Feels Like 91°
5
Humidity: 46%
UV Index: 8
Wind: 6 mph
3 PM
Cloudy Weather
84°
Feels Like 90°
5
Humidity: 45%
UV Index: 6
Wind: 6 mph
4 PM
Cloudy Weather
84°
Feels Like 90°
6
Humidity: 44%
UV Index: 4
Wind: 7 mph
5 PM
Cloudy Weather
84°
Feels Like 86°
7
Humidity: 46%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
84°
Feels Like 84°
7
Humidity: 48%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
82°
Feels Like 82°
11
Humidity: 54%
UV Index: 1
Wind: 5 mph
8 PM
Cloudy Weather
79°
Feels Like 79°
19
Humidity: 61%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
77°
Feels Like 77°
19
Humidity: 68%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
75°
Feels Like 75°
24
Humidity: 76%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
73°
Feels Like 73°
43
Humidity: 82%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.89 µg/m³
  • PM10: 6.02 µg/m³
  • O3: 0.010 ppm
  • NO2: 3.6 ppb
  • SO2: 1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.16 µg/m³
  • PM10: 6.34 µg/m³
  • O3: 0.016 ppm
  • NO2: 3.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.21 µg/m³
  • PM10: 7.39 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 7.73 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.48 µg/m³
  • PM10: 8.17 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.08 µg/m³
  • PM10: 8.77 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.45 µg/m³
  • PM10: 9.17 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.49 µg/m³
  • PM10: 9.23 µg/m³
  • O3: 0.058 ppm
  • NO2: 1 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.3 µg/m³
  • PM10: 9.06 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.13 µg/m³
  • PM10: 9.22 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.22 µg/m³
  • PM10: 9.92 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.44 µg/m³
  • PM10: 10.74 µg/m³
  • O3: 0.030 ppm
  • NO2: 5 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.75 µg/m³
  • PM10: 11.48 µg/m³
  • O3: 0.026 ppm
  • NO2: 5.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.22 µg/m³
  • PM10: 12.22 µg/m³
  • O3: 0.025 ppm
  • NO2: 5 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.65 µg/m³
  • PM10: 12.87 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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