Today | Weather | Tuesday, April 28, 2026

Weather in Juneau, Alaska

10:37 PM
Now
Cloudy Weather
41° F
Feels Like 37°
Precipitation 49 %
Wind 7 mph
Humidity 88 %
Today
Cloudy Weather
Day 46°
Night 39°
Precipitation 24 %
Wind 4 mph
UV Index (0 - 11+) 1

Juneau Weather Forecast Updated

Air Quality in Juneau

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.84 µg/m³
PM10 1.02 µg/m³
O3 0.039 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.19 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)
PM2.50.84 µg/m³
PM101.02 µg/m³
O377.46 µg/m³
NO20.66 µg/m³
SO20.26 µg/m³
CO132.79 µg/m³
NH30.19 µg/m³
NO0 µg/m³