Today | Weather | Wednesday, September 9, 2026

Weather in Honolulu, Hawaii

02:55 PM
Now
Cloudy Weather
86° F
Feels Like 95°
Precipitation 49 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 65 %
Today
Partly Sunny with Showers
Day 88°
Night 75°
Precipitation 70 %
Wind 6 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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

28 minutes ago
Last updated on

Air Quality in Honolulu

NOW
12 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.53 µg/m³
PM10 8.72 µg/m³
O3 0.012 ppm
NO2 0 ppb
SO2 0 ppb
CO 0.07 ppm
NH3 0 µg/m³
NO 0.03 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)
PM2.52.53 µg/m³
PM108.72 µg/m³
O324.43 µg/m³
NO20.06 µg/m³
SO20.1 µg/m³
CO83.12 µg/m³
NH30 µg/m³
NO0.03 µg/m³