Today | Weather | Wednesday, March 18, 2026

Weather in Stockton, California

08:02 PM
Now
Cloudy Night
81° F
Feels Like 81°
Precipitation 0 %
Wind 6 mph
Humidity 60 %
Today
Cloudy Night
Day 90°
Night 59°
Precipitation 0 %
Wind 6 mph

Stockton Weather Forecast Updated

11 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Cloudy Weather

Day

61°

Night

37°

Wind

7 mph

UV Index

5

Precipitation

4 %

Air Quality in Stockton

NOW
106 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 35.17 µg/m³
PM10 41.82 µg/m³
O3 0.072 ppm
NO2 7.2 ppb
SO2 1.3 ppb
CO 0.25 ppm
NH3 1.57 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.535.17 µg/m³
PM1041.82 µg/m³
O3140.9 µg/m³
NO213.57 µg/m³
SO23.49 µg/m³
CO282.82 µg/m³
NH31.57 µg/m³
NO0 µg/m³