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Smog affects every breath you take, your heart and your immune system.
Health Resources
Health Advisory: Outdoor Physical Activity and Smog
Learn about air pollution and what we can do about it:
Poor air quality is harmful to health. The primary target is the respiratory system, but air pollution also targets the heart and the immune system. Particle pollution poses particular risks to the cardiac system. Sign up to receive Smog Alerts in your inbox.
Who’s At Risk
Not everybody is equally vulnerable to the effects of poor air quality.
Health Effects of Ozone and Particle Pollution
Ozone and particle pollution affect the body differently. Learn more here.
How to Protect Your Health
What you should do to protect yourself from air pollution