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Current air quality not available.
Wednesday and Thursday, moderate south-southeasterly winds will enhance dispersion throughout the period as a deep upper-level trough of low pressure stalls off the Pacific Northwest coast. However, increasing relative humidity will promote particle formation, and regional pollutant transport from the San Joaquin Valley will contribute to particle levels. As a result, particle levels will be low-Moderate on both days. Friday, moderate to occasionally heavy rain will overspread the Sacramento region, enhancing atmospheric mixing ahead of an approaching cold front. In addition, moderate southeasterly winds will continue to aid dispersion. Therefore, particle levels will improve to high-Good.
Primary Pollutant: PM2.5 - 58 Moderate
Primary Pollutant: PM2.5 - 53 Moderate
Primary Pollutant: PM2.5 - 50 Good
Primary Pollutant: PM2.5 - 56 Moderate
Primary Pollutant: PM2.5 - 50 Good
Primary Pollutant: PM2.5 - 53 Moderate