Today | Weather | Thursday, April 2, 2026

Weather in Boise, Idaho

11:42 AM
Now
Rainy Weather
43° F
Feels Like 34°
Precipitation 51 %
Wind 15 mph
UV Index (0 - 11+) 2
Humidity 54 %
Today
Rainy Weather
Day 48°
Night 30°
Precipitation 84 %
Wind 14 mph
UV Index (0 - 11+) 1
Tomorrow Morning Frost 7 AM – 7 AM

Boise Weather Forecast Updated

7 minutes ago
Last updated on

Air Quality in Boise

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.042 ppm
NO2 0 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 0.45 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
PM100.5 µg/m³
O382.63 µg/m³
NO20.06 µg/m³
SO20.01 µg/m³
CO112.79 µg/m³
NH30.45 µg/m³
NO0.02 µg/m³