An air quality advisory is in effect for Sonoma County through Monday due to smoke from the 341-acre Chileno Fire burning in northern Marin County near the county border.
Current Status & Air Quality Impact
- Source: The Chileno Fire broke out near Chileno Valley Road and Bordessa Road west of Petaluma. Firefighters halted forward progress on Sunday evening.
- Affected Areas: Southern Sonoma County, including Petaluma and surrounding downwind areas.
- Air Quality Levels: Areas may experience “Unhealthy for Sensitive Groups,” “Unhealthy,” or “Very Unhealthy” air quality depending on drifting smoke patterns.
- Spare the Air Alert: None are in effect, as overall pollutant levels are not expected to exceed national 24-hour health standards.
Health & Safety Recommendations
- Stay Indoors: Keep windows and doors closed to prevent smoke from entering homes, and bring pets inside.
- Avoid Strenuous Activity: Refrain from outdoor exercising, wood burning, barbecuing, lawn mowing, and other activities that stir up dust or worsen pollution.
- Wear a Mask: If you must go outside, wear a well-fitting N95 or KN95 mask.
- Indoor Air Filtration: Run portable HEPA air cleaners if available, and set car and home air conditioning units to recirculate.
- Monitor Conditions: Check real-time air quality updates
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