Today | Weather | Friday, May 22, 2026

Weather in Honolulu, Hawaii

12:16 AM
Now
Cloudy Night
73° F
Feels Like 70°
Precipitation 6 %
Wind 14 mph
Humidity 76 %
Today
Cloudy Weather
Day 82°
Night 72°
Precipitation 20 %
Wind 18 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Honolulu Weather Forecast Updated

9 minutes ago
Last updated on

Air Quality in Honolulu

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.94 µg/m³
PM10 15.47 µg/m³
O3 0.041 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.08 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)
PM2.53.94 µg/m³
PM1015.47 µg/m³
O381.15 µg/m³
NO20.15 µg/m³
SO20.21 µg/m³
CO89.19 µg/m³
NH30 µg/m³
NO0 µg/m³