Hourly Weather | Today Monday, April 27, 2026
Pomona, California
4 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 39%
UV Index: 4
Wind: 12 mph
5 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 42%
UV Index: 3
Wind: 10 mph
6 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 45%
UV Index: 2
Wind: 10 mph
7 PM
Cloudy Weather
63°
Feels Like 59°
0
Humidity: 50%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 54%
UV Index: 0
Wind: 9 mph
9 PM
Night
57°
Feels Like 55°
0
Humidity: 61%
UV Index: 0
Wind: 8 mph
10 PM
Night
55°
Feels Like 54°
0
Humidity: 68%
UV Index: 0
Wind: 7 mph
11 PM
Night
55°
Feels Like 54°
0
Humidity: 72%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 3.08 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

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

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

6 PM
86 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 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.

7 PM
86 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.51 µg/m³
  • PM10: 3.78 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 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.

8 PM
86 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 4.13 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 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.

9 PM
85 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 4.4 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 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.

10 PM
84 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 4.55 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 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.

11 PM
83 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 4.61 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 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.