Northern Sierra Air Quality Management District

Air Quality Health Advisory for Western Nevada County

The air quality may become unhealthy due to a wildfire located near Weimar. Conditions will most likely vary from unhealthy to moderate  over short to extended periods of time as the plume of smoke from the wildland fire wafts back and forth due to varying wind patterns. The greatest impacts are expected in western Nevada County (Lake of the Pines, Alta Sierra, Grass Valley  and Nevada City). Therefore, a Health Advisory is in effect for western Nevada County until smoke impacts are reduced.

The elderly, children, asthmatics, adults with pre-existing heart and lung disease, pregnant women, and athletes should take precautions, such as, stay indoors and avoid intense physical activity that may increase breathing rate.  During these high smoke episodes, if you experience breathing difficulty, call your doctor.

Scientific studies have linked fine particulate matter (smoke) with significant health problems, including premature death, respiratory related hospital admissions, aggravated asthma, acute respiratory symptoms (including severe chest pain, gasping, and aggravated coughing), chronic bronchitis, decreased lung function, and work and school absences.

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