Today | Weather | Tuesday, March 17, 2026

Weather in Waipahu, Hawaii

11:52 PM
Today
Rainy Weather
Day 75°
Night 66°
Precipitation 91 %
Wind 6 mph
UV Index (0 - 11+) 2

Waipahu Weather Forecast Updated

Air Quality in Waipahu

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.22 µg/m³
PM10 3.66 µg/m³
O3 0.038 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.51.22 µg/m³
PM103.66 µg/m³
O373.96 µg/m³
NO20.52 µg/m³
SO20.21 µg/m³
CO119.15 µg/m³
NH30 µg/m³
NO0 µg/m³