Today | Weather | Monday, September 21, 2026

Weather in Juneau, Alaska

09:54 AM
Now
Cloudy Weather
50° F
Feels Like 48°
Precipitation 49 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 84 %
Today
Rainy Weather
Day 54°
Night 45°
Precipitation 100 %
Wind 8 mph
UV Index (0 - 11+) 1

Juneau Weather Forecast Updated

Last updated on

Air Quality in Juneau

NOW
27 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.99 µg/m³
O3 0.029 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.16 ppm
NH3 0.04 µg/m³
NO 0.02 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)
PM2.50.5 µg/m³
PM100.99 µg/m³
O357.44 µg/m³
NO20.31 µg/m³
SO20.25 µg/m³
CO177.62 µg/m³
NH30.04 µg/m³
NO0.02 µg/m³