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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Wednesday, August 12, 2026
Active Weather Warnings
Waipahu, Hawaii
1 AM
Cloudy Night
75°
Feels Like 77°
0
Humidity: 81%
UV Index: 0
Wind: 7 mph
2 AM
Night
75°
Feels Like 75°
0
Humidity: 82%
UV Index: 0
Wind: 6 mph
3 AM
Night
73°
Feels Like 75°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
72°
Feels Like 73°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph
5 AM
Night
70°
Feels Like 72°
0
Humidity: 92%
UV Index: 0
Wind: 4 mph
6 AM
Night
72°
Feels Like 73°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
77°
Feels Like 81°
0
Humidity: 73%
UV Index: 2
Wind: 6 mph
8 AM
Cloudy Weather
79°
Feels Like 84°
0
Humidity: 70%
UV Index: 3
Wind: 7 mph
9 AM
Cloudy Weather
82°
Feels Like 90°
0
Humidity: 62%
UV Index: 5
Wind: 8 mph
10 AM
Cloudy Weather
84°
Feels Like 91°
0
Humidity: 55%
UV Index: 8
Wind: 9 mph
11 AM
Cloudy Weather
88°
Feels Like 95°
0
Humidity: 50%
UV Index: 11
Wind: 11 mph
12 PM
Cloudy Weather
88°
Feels Like 95°
0
Humidity: 47%
UV Index: 11
Wind: 12 mph
1 PM
Cloudy Weather
90°
Feels Like 95°
0
Humidity: 46%
UV Index: 11
Wind: 12 mph
2 PM
Sunny Weather
90°
Feels Like 95°
0
Humidity: 44%
UV Index: 8
Wind: 12 mph
3 PM
Sunny Weather
88°
Feels Like 91°
0
Humidity: 46%
UV Index: 5
Wind: 12 mph
4 PM
Cloudy Weather
88°
Feels Like 88°
0
Humidity: 48%
UV Index: 3
Wind: 12 mph
5 PM
Sunny Weather
86°
Feels Like 86°
0
Humidity: 50%
UV Index: 2
Wind: 12 mph
6 PM
Sunny Weather
84°
Feels Like 84°
0
Humidity: 52%
UV Index: 0
Wind: 12 mph
7 PM
Cloudy Weather
82°
Feels Like 81°
17
Humidity: 59%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
79°
Feels Like 81°
17
Humidity: 65%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
77°
Feels Like 77°
22
Humidity: 72%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
77°
Feels Like 77°
40
Humidity: 72%
UV Index: 0
Wind: 7 mph
11 PM
Rainy Night
77°
Feels Like 75°
44
Humidity: 74%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 9.9 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

2 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 9.66 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

3 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 9.19 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

4 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 8.98 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.49 µg/m³
  • PM10: 8.97 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.43 µg/m³
  • PM10: 9.26 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 9.64 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 9.79 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 9.64 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 9.41 µg/m³
  • O3: 0.035 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 9.26 µg/m³
  • O3: 0.035 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 9.16 µg/m³
  • O3: 0.035 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.19 µg/m³
  • PM10: 8.89 µg/m³
  • O3: 0.035 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 8.47 µg/m³
  • O3: 0.034 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 8.01 µg/m³
  • O3: 0.034 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.15 µg/m³
  • PM10: 8.1 µg/m³
  • O3: 0.034 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.28 µg/m³
  • PM10: 8.34 µg/m³
  • O3: 0.033 ppm
  • NO2: 0 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 8.24 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.41 µg/m³
  • PM10: 8.27 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 8.8 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.58 µg/m³
  • PM10: 9.54 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 10.02 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.58 µg/m³
  • PM10: 10.1 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Waipahu

Minor Expected Likely

Coastal Flood Statement

Coastal Flood Statement issued August 11 at 3:26PM HST until August 12 at 6:00PM HST by NWS Honolulu HI
Aug 11, 3:26 PM → Aug 12, 6:00 PM
...MINOR COASTAL FLOODING DURING HIGH TIDE THROUGH WEDNESDAY
AFTERNOON...

.Peak monthly high tides combined with water levels that are
running higher than predicted will lead to minor flooding in low
lying coastal areas. Coastal flooding is possible through
Wednesday around the daily peak afternoon high tide.

WHAT: Isolated minor coastal flooding.

WHERE: Vulnerable low-lying coastal roadways, docks, boat
ramps and other coastal infrastructure of all Hawaiian Islands.

WHEN: Through Wednesday afternoon.

IMPACTS: Flooding of beaches that are normally dry, minor
coastal erosion, and saltwater inundation.
+ Read More
Avoid driving through flooded roadways. If you are forced to drive through salt water, be sure to rinse your vehicle with fresh water. Move electronics, vehicles or other valuables to higher ground. Monitor vessels to ensure mooring lines don't get too tight and watch out for overwash around boat ramps. Secure canoes or other watercraft stowed on beaches.
Updated: Aug 11, 10:51 PM Source: NWS Alert

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