Hourly Weather | Today Monday, September 21, 2026
Ewa Gentry, Hawaii
5 AM
Cloudy Night
77°
Feels Like 79°
0
Humidity: 77%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
75°
Feels Like 77°
0
Humidity: 78%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 73%
UV Index: 1
Wind: 8 mph
8 AM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 68%
UV Index: 2
Wind: 9 mph
9 AM
Cloudy Weather
82°
Feels Like 86°
0
Humidity: 62%
UV Index: 4
Wind: 11 mph
10 AM
Cloudy Weather
84°
Feels Like 90°
0
Humidity: 57%
UV Index: 6
Wind: 12 mph
11 AM
Cloudy Weather
86°
Feels Like 93°
0
Humidity: 53%
UV Index: 8
Wind: 12 mph
12 PM
Cloudy Weather
88°
Feels Like 95°
0
Humidity: 51%
UV Index: 10
Wind: 12 mph
1 PM
Cloudy Weather
90°
Feels Like 95°
0
Humidity: 50%
UV Index: 8
Wind: 14 mph
2 PM
Sunny Weather
90°
Feels Like 95°
0
Humidity: 48%
UV Index: 6
Wind: 14 mph
3 PM
Cloudy Weather
88°
Feels Like 91°
0
Humidity: 53%
UV Index: 4
Wind: 14 mph
4 PM
Cloudy Weather
88°
Feels Like 90°
0
Humidity: 56%
UV Index: 2
Wind: 14 mph
5 PM
Sunny Weather
86°
Feels Like 88°
0
Humidity: 61%
UV Index: 1
Wind: 14 mph
6 PM
Sunny Weather
84°
Feels Like 86°
0
Humidity: 64%
UV Index: 0
Wind: 12 mph
7 PM
Cloudy Night
82°
Feels Like 84°
0
Humidity: 71%
UV Index: 0
Wind: 11 mph
8 PM
Cloudy Night
81°
Feels Like 84°
0
Humidity: 72%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
81°
Feels Like 84°
0
Humidity: 74%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
81°
Feels Like 84°
0
Humidity: 75%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
81°
Feels Like 84°
0
Humidity: 76%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 15.91 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

6 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 15.73 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 15.43 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.96 µg/m³
  • PM10: 15.02 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 14.25 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.67 µg/m³
  • PM10: 13.85 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 13.8 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 13.94 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 13.91 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 13.61 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

3 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 13.25 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.43 µg/m³
  • PM10: 12.95 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 12.66 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.32 µg/m³
  • PM10: 12.38 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 12 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.19 µg/m³
  • PM10: 11.62 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 11.15 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 10.81 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 10.57 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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