Today | Weather | Tuesday, March 17, 2026

Weather in Honolulu, Hawaii

11:53 PM
Today
Rainy Weather
Day 75°
Night 70°
Precipitation 84 %
Wind 8 mph
UV Index (0 - 11+) 2

Honolulu Weather Forecast Updated

Air Quality in Honolulu

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.21 µg/m³
PM10 4.05 µg/m³
O3 0.037 ppm
NO2 0.2 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)
PM2.51.21 µg/m³
PM104.05 µg/m³
O372.86 µg/m³
NO20.46 µg/m³
SO20.19 µg/m³
CO118.51 µg/m³
NH30 µg/m³
NO0 µg/m³