Today | Weather | Wednesday, February 25, 2026

Weather in Merced, California

08:17 PM
Now
Foggy Weather
64° F
Feels Like 61°
Precipitation 2 %
Wind 7 mph
Humidity 76 %
Today
Foggy Weather
Day 75°
Night 54°
Precipitation 13 %
Wind 7 mph

Merced Weather Forecast Updated

Last updated on

Air Quality in Merced

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.85 µg/m³
PM10 4.81 µg/m³
O3 0.020 ppm
NO2 2.6 ppb
SO2 0 ppb
CO 0.13 ppm
NH3 0.93 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)
PM2.52.85 µg/m³
PM104.81 µg/m³
O340.21 µg/m³
NO24.83 µg/m³
SO20.07 µg/m³
CO145.8 µg/m³
NH30.93 µg/m³
NO0 µg/m³