Today | Weather | Tuesday, June 9, 2026

Weather in Boise, Idaho

05:53 PM
Now
Cloudy Weather
73° F
Feels Like 72°
Precipitation 7 %
Wind 12 mph
UV Index (0 - 11+) 2
Humidity 22 %
Today
Cloudy Weather
Day 73°
Night 48°
Precipitation 25 %
Wind 10 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Boise Weather Forecast Updated

14 seconds 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 0.64 µg/m³
O3 0.042 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.07 ppm
NH3 0.54 µg/m³
NO 0.03 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
PM100.64 µg/m³
O382.39 µg/m³
NO20.13 µg/m³
SO20 µg/m³
CO74.69 µg/m³
NH30.54 µg/m³
NO0.03 µg/m³