Air Quality Index P O L L U TA N T S P E C I F I C C A U T I O N A RY S TAT E M E N T S Health Very Small Particles Air Categories PM2.5 Small Particles PM10 (CO) P O L L U T I O N Active children and adults, People with respiratory or People with respiratory People with cardiovascular A F F E C T S VERY and people with res p i r a t o r y heart disease, the elderly disease, such as , disease, such as angina, E V E R Y O N E UNHEALTHY disease, such as asthma, and children should avoid should avoid any should avoid exertion and (201(201 TOTO 300)300) should avoid all outdoor any outdoor activity; every- outdoor activity; everyone sources of CO, such as Many residents experience some kind of air - exertion (participation in one else should avoid pro- else, especially the elderly heavy traffic. related symptoms such as watery eyes,coughing, or wheezing.Even for strenuous sports activities longed exertion. and children, should limit or exercise); everyone else, outdoor exertion. healthy people,polluted air can cause respiratory irritation or breathing especially children, should difficulties during exercise or outdoor activities.Your actual risk depends limit outdoor exertion. on your current health status, the type and concentration,and the length of exposure to the polluted air. Active children and adults, People with respiratory People with respiratory People with cardiovascular UNHEALTHY and people with res p i r a t o r y or heart disease, the disease, such as asthma, disease, such as angina, People most susceptible to severe health problems from are: disease, such as asthma, elderly and children should should avoid outdoor should limit moderate (151(151 TOTO 200)200) ■ Individuals with heart or lung disease should avoid prolonged avoid prolonged exertion; exertion; everyone else, exertion and avoid sources ■ Individuals with respiratory problems such as asthma or outdoor exertion; everyone everyone else should limit especially the elderly and of CO, such as heavy else, especially children, prolonged exertion. children, should limit traffic. emphysema ■ should limit prolonged prolonged outdoor Pregnant women outdoor exertion. exertion. ■ Outdoor workers ■ Children under age 14, whose lungs are still developing ■ Elderly residents, whose immune systems are weaker ■ Athletes who exercise vigorously outdoors Active children and adults, People with respiratory or People with respiratory People with cardiovascular UNHEALTHY and people with res p i r a t o r y heart disease, the elderly disease, such as asthma, disease, such as angina, High air pollution levels can cause immediate health problems: FORFOR disease, such as asthma, and children should limit should limit outdoor should limit heavy exerti o n ■ SENSITIVESENSITIVE should limit prolonged prolonged exertion. exertion. and avoid sources of CO, Aggravated cardiovascular and respiratory illness GROUPS outdoor exertion. such as heavy traffic. ■ Added stress to heart and lungs, which must work harder to (101(101 TOTO 150)150) supply the body with oxygen ■ Damaged cells in the respiratory system

Unusually sensitive people None None None Long-term exposure to polluted air can have permanent health effects: should consider limiting ■ Accelerated aging of the lungs and loss of lung capacity MODERATE prolonged outdoor ■ Decreased lung function (51(51 TOTO 100)100) exertion. ■ Development of diseases such as asthma, bronchitis, emphysema, and possibly cancer ■ Shortened span GOOD None None None None (0(0 TOTO 50)50)

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