Today | Weather | Friday, July 3, 2026

Weather in Boise, Idaho

12:56 AM
Now
Night
75° F
Feels Like 73°
Precipitation 0 %
Wind 6 mph
Humidity 31 %
Today
Sunny Weather
Day 91°
Night 64°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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

Last updated on

Air Quality in Boise

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.66 µg/m³
PM10 1.34 µg/m³
O3 0.027 ppm
NO2 0.9 ppb
SO2 0 ppb
CO 0.07 ppm
NH3 5.45 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)
PM2.50.66 µg/m³
PM101.34 µg/m³
O352.04 µg/m³
NO21.62 µg/m³
SO20 µg/m³
CO79.36 µg/m³
NH35.45 µg/m³
NO0 µg/m³