Today | Weather | Wednesday, April 15, 2026

Weather in Boise, Idaho

03:39 AM
Now
Cloudy Weather
48° F
Feels Like 45°
Precipitation 49 %
Wind 7 mph
Humidity 73 %
Today
Rainy Weather
Day 55°
Night 34°
Precipitation 80 %
Wind 9 mph
UV Index (0 - 11+) 2

Boise Weather Forecast Updated

Last updated on

Air Quality in Boise

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.52 µg/m³
PM10 1.3 µg/m³
O3 0.046 ppm
NO2 0.2 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 3.73 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)
PM2.50.52 µg/m³
PM101.3 µg/m³
O390.42 µg/m³
NO20.3 µg/m³
SO20.01 µg/m³
CO111.39 µg/m³
NH33.73 µg/m³
NO0 µg/m³