Today | Weather | Friday, September 18, 2026

Weather in Elk Grove, California

10:39 PM
Now
Night
66° F
Feels Like 64°
Precipitation 0 %
Wind 5 mph
Humidity 73 %
Today
Night
Day 88°
Night 55°
Precipitation 0 %
Wind 5 mph

Elk Grove Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Stormy Weather

Day

88°

Night

64°

Wind

6 mph

Precipitation

84 %

Air Quality in Elk Grove

NOW
39 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 9.43 µg/m³
PM10 19.31 µg/m³
O3 0.034 ppm
NO2 9.2 ppb
SO2 0.6 ppb
CO 0.20 ppm
NH3 0.44 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)
PM2.59.43 µg/m³
PM1019.31 µg/m³
O366.95 µg/m³
NO217.32 µg/m³
SO21.57 µg/m³
CO233.91 µg/m³
NH30.44 µg/m³
NO0 µg/m³