Today | Weather | Wednesday, July 22, 2026

Weather in Honolulu, Hawaii

09:26 PM
Now
Cloudy Night
77° F
Feels Like 75°
Precipitation 0 %
Wind 12 mph
Humidity 70 %
Today
Rainy Weather
Day 86°
Night 73°
Precipitation 60 %
Wind 15 mph
UV Index (0 - 11+) 6

Honolulu Weather Forecast Updated

Air Quality in Honolulu

NOW
22 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.29 µg/m³
PM10 9.01 µg/m³
O3 0.024 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.06 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)
PM2.52.29 µg/m³
PM109.01 µg/m³
O346.96 µg/m³
NO20.16 µg/m³
SO20.28 µg/m³
CO74.43 µg/m³
NH30 µg/m³
NO0 µg/m³