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A presentation about air pollution in China, geared for high school level children. Best viewed for schools and parents.

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  1. 1. Air Pollution In China Richard Saint Cyr MD DABFP
  2. 2. About Me… <ul><li>I am a family medicine doctor, from America </li></ul><ul><li>I work at International Medical Center </li></ul><ul><li>My health website: </li></ul>
  3. 3. Let’s Review Pollution…
  4. 4. The Common Air Pollutants <ul><li>Particulates (PM10, PM2.5) </li></ul><ul><li>Nitric oxide/dioxide </li></ul><ul><ul><li>– cars, coal. </li></ul></ul><ul><li>Sulfur dioxide </li></ul><ul><ul><li>Coal. Causes acid rain; Improving well </li></ul></ul><ul><li>Ozone </li></ul><ul><ul><li>usually from NO2; formed mostly on hot summer days </li></ul></ul><ul><li>Carbon monoxide </li></ul><ul><ul><li>cars </li></ul></ul>
  5. 5. The worst one is: small particles
  6. 6. These Are Very Small…
  7. 7. Short Movie on Small Particles <ul><li>http:// </li></ul>
  8. 8. It Can Get Bad in Beijing…
  9. 9. … But it can be a lot worse, like London in 1952!
  10. 10. The Great London Smog of 1952 <ul><li>It was a bad combo of cold weather + more coal burning + inversion layer of air… </li></ul><ul><li>= disaster for 5 days… </li></ul><ul><ul><li>pollution at 3,000-14,000! (Beijing is usually ~140) </li></ul></ul><ul><ul><li>12,000 premature deaths </li></ul></ul><ul><ul><li>100,000 illnesses </li></ul></ul>
  11. 11. Many People Died From Pollution
  12. 12. Australia Dust Storm, 2009
  13. 13. Australia Dust Storm, 2009 <ul><li>Seven years of low rainfall </li></ul><ul><li>Particle levels reached 15,400 ug/m3 (a lot higher than in Beijing) </li></ul><ul><li>What happened? More asthma attacks and Emergency Room visits </li></ul>
  14. 14. How Does Pollution Affect Health?
  15. 16. Why Is Pollution Bad? <ul><li>Worse pollution = more disease </li></ul><ul><ul><li>Cancers </li></ul></ul><ul><ul><li>Heart attacks </li></ul></ul><ul><ul><li>Bronchitis </li></ul></ul><ul><ul><li>Worse asthma </li></ul></ul><ul><ul><li>Harder to get over a cold </li></ul></ul><ul><li>Short term and long term problems! </li></ul>
  16. 17. Children Are At Worse Risk! <ul><li>Lungs aren’t as strong as adults, so… </li></ul><ul><ul><li>More bronchitis and colds </li></ul></ul><ul><ul><li>More doctor visits </li></ul></ul><ul><ul><li>New babies can weigh less </li></ul></ul><ul><ul><li>Childhood cancers are higher </li></ul></ul><ul><ul><li>Asthma can be worse </li></ul></ul>
  17. 18. So What About China?
  18. 19. <ul><li>Only 1% of China’s cities have safe air </li></ul><ul><ul><li>(Safe = Particle levels under 40ug/m3) </li></ul></ul>
  19. 20. The Main Issues In China <ul><li>Every year in China: </li></ul><ul><ul><li>~300,000 premature deaths </li></ul></ul><ul><ul><li>20 million cases of lung illness </li></ul></ul><ul><li>What Are The Main Causes? </li></ul><ul><ul><li>Coal </li></ul></ul><ul><ul><li>Cars </li></ul></ul><ul><ul><li>Factories </li></ul></ul><ul><ul><li>Indoor cooking/heating with wood and coal </li></ul></ul>
  20. 21. Where Is It Worst?
  21. 22. Most Polluted Cities in China
  22. 23. World Cities & PM10 Levels (2004-5) WHO China US Beijing
  23. 24. More About That Graph… <ul><li>Beijing’s PM10, at 150ug/m3, was over 7 times the WHO cutoff of 20 </li></ul><ul><li>Out of 108 China cities monitored by MEP, none met the WHO cutoff </li></ul><ul><ul><li>Guilin was best in China (29 ug/m3) </li></ul></ul><ul><ul><li>Beijing 4th worst in China </li></ul></ul>
  24. 26. How Is Pollution Monitored?
  25. 27. Beijing City Has Over 20 Monitors
  26. 28. Puts Info On Website
  27. 29. About That Website… <ul><li>Data is not real time (is the average from the day before, from all stations) </li></ul><ul><li>So, you don’t know how your neighborhood is right now </li></ul>
  28. 30. What can you do? <ul><li>There’s a better website! </li></ul>
  29. 31. Pollution Website: <ul><li>Data is from the US Embassy in Beijing </li></ul>
  30. 32. What Numbers Are Bad?
  31. 33. Schools Should Have Action Plans!
  32. 34. School Action Plan: OK Days
  33. 35. School Action Plans: Moderate Days
  34. 36. Worst Days…
  35. 37. In Other Words: <ul><li>Anything over 200 = NO OUTDOOR SCHOOL ACTIVITIES </li></ul>
  36. 38. What Does Your School Do?
  37. 39. Let’s Play A Game… <ul><li>AQI Game Show: </li></ul>
  38. 40. Don’t Forget Indoor Air!
  39. 41. Indoor Plants Help!
  40. 42. Indoor Plants <ul><li>Areca Palm   ( 风尾竹 ,  feng (4) wei (3) zhu (2), about RMB 180 each) -  </li></ul><ul><ul><li>Efficiently converts CO2 to oxygen. </li></ul></ul><ul><li>Mother-in-Law Tongue   ( 虎皮兰 ,  hu (3) pi (2) lan (2), about RMB 50 each) </li></ul><ul><ul><li>Efficiently converts CO2 to oxygen at night and is </li></ul></ul><ul><ul><li>Good for bedrooms. </li></ul></ul><ul><li>Money Plant  (绿萝 ,  lv (4) luo (2), about RMB 150 each ) </li></ul><ul><ul><li>Removes formaldehydes and other volatile chemicals. </li></ul></ul>
  41. 43. What About Masks?
  42. 44. Kouzhao( 口罩 ) Don’t Do Much…
  43. 45. Surgical Masks Are Better…
  44. 46. N95 Masks Are Best!
  45. 47. The Best Masks (smaller bar is better!) N95 trap 96% (best!) Surgical masks trap 80% Kouzhao trap 28%
  46. 48. When Should You Wear a Mask? <ul><li>Anytime the pollution level is over 200 </li></ul><ul><ul><li>Especially if you have asthma, or are sick! </li></ul></ul><ul><ul><li>Long bike rides </li></ul></ul><ul><ul><li>Playing outside for more than an hour </li></ul></ul>
  47. 49. Let’s Review With Another Game… <ul><li>Smog City: </li></ul>
  48. 50. Thank You!