Today | Weather | Wednesday, February 25, 2026

Weather in Honolulu, Hawaii

07:46 PM
Now
Cloudy Night
70° F
Feels Like 66°
Precipitation 0 %
Wind 12 mph
Humidity 64 %
Today
Cloudy Weather
Day 75°
Night 64°
Precipitation 4 %
Wind 14 mph
UV Index (0 - 11+) 7

Honolulu Weather Forecast Updated

Last updated on

Air Quality in Honolulu

NOW
46 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.25 µg/m³
PM10 8.52 µg/m³
O3 0.049 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.11 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)
PM2.52.25 µg/m³
PM108.52 µg/m³
O396.6 µg/m³
NO20.18 µg/m³
SO20.15 µg/m³
CO121.71 µg/m³
NH30 µg/m³
NO0 µg/m³