This Learning Center provides educational reference material only. It does not originate watches, warnings, or advisories. For active alerts, check official National Weather Service products and local emergency management channels.
Air Quality Alert
Air Quality Alert
Air pollutant concentrations may reach levels unhealthy for sensitive groups or the general public.
Plain language
An air quality alert means smoke or pollution may make outdoor air unhealthy. Limit strenuous outdoor activity when air quality is poor.
