• Parts of Arizona and Georgia are under an indoor advisory due to 'unhealthy' levels of ozone and PM2.5 pollution, as per the EPA's AirNow map.
• The EPA recommends that sensitive groups, including children, the elderly, and those with pre-existing conditions, limit outdoor activities to minimize exposure.
• Residents are advised to close windows, use air purifiers, and monitor air quality via the EPA's AirNow website and local news for updates.