Today | Weather | Wednesday, March 18, 2026

Weather in Merced, California

07:41 AM
Now
Cloudy Weather
57° F
Feels Like 61°
Precipitation 0 %
Wind 2 mph
UV Index (0 - 11+) 1
Humidity 95 %
Today
Sunny Weather
Day 90°
Night 55°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 5

Merced Weather Forecast Updated

10 minutes ago
Last updated on

Air Quality in Merced

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

Pollutant Concentrations:

PM2.5 11.8 µg/m³
PM10 14.46 µg/m³
O3 0.028 ppm
NO2 1.5 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 5.55 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)
PM2.511.8 µg/m³
PM1014.46 µg/m³
O355.18 µg/m³
NO22.8 µg/m³
SO20.16 µg/m³
CO163.47 µg/m³
NH35.55 µg/m³
NO0.03 µg/m³