Today | Weather | Tuesday, September 1, 2026

Weather in Juneau, Alaska

02:18 AM
Now
Cloudy Weather
48° F
Feels Like 45°
Precipitation 49 %
Wind 8 mph
Humidity 91 %
Today
Cloudy Weather
Day 59°
Night 39°
Precipitation 13 %
Wind 6 mph
UV Index (0 - 11+) 2

Juneau Weather Forecast Updated

43 minutes ago
Last updated on

Air Quality in Juneau

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.57 µg/m³
PM10 2.07 µg/m³
O3 0.034 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.21 ppm
NH3 0.04 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)
PM2.51.57 µg/m³
PM102.07 µg/m³
O365.94 µg/m³
NO20.42 µg/m³
SO20.19 µg/m³
CO242.48 µg/m³
NH30.04 µg/m³
NO0 µg/m³