Today | Weather | Thursday, January 15, 2026

Weather in Honolulu, Hawaii

11:44 PM
Now
Cloudy Night
66° F
Feels Like 63°
Precipitation 0 %
Wind 10 mph
Humidity 63 %
Today
Cloudy Weather
Day 77°
Night 66°
Precipitation 8 %
Wind 15 mph
UV Index (0 - 11+) 5

Honolulu Weather Forecast Updated

46 minutes ago
Last updated on

Air Quality in Honolulu

NOW
51 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.3 µg/m³
PM10 18.16 µg/m³
O3 0.054 ppm
NO2 0.2 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.54.3 µg/m³
PM1018.16 µg/m³
O3106.94 µg/m³
NO20.35 µg/m³
SO20.27 µg/m³
CO124.13 µg/m³
NH30 µg/m³
NO0 µg/m³