SMOG AND HEALTH

Smog is a declared threatening Public Health Emergency in South Asia recently. The most affected areas are Pakistan, India, and China.1 Pakistan today the world's fourth polluted country due to industrial vehicular emissions, crop burning, recent projects of coal as source energy. air pollution level our region getting alarming considered be among unhealthiest worldwide.2
 Most smog we see "Photochemical Smog" containing volatile organic compounds, hydrocarbons, nitrogen, sulfur dioxide. When sunlight reacts with nitrogen oxides compounds atmosphere, there production airborne particles smog. problem becoming serious over last decade high levels smoke activities.3 Even now during months summer, photochemical which washed away by rain. Prolonged heavy exposure hazardous causes various health problems including asthma, bronchitis, lung cancer, skin cancer etc. 4
 A study reporting long-term effects great London concluded that first year life increased risk childhood asthma 19.87%. 5
 Pollution winter weather conditions both shroud cities Excessive population, shortage funds for development especially municipal services, illiteracy, poverty, pollution, fossil fuel powered plants, burning trees development, waste materials being burned thousands brick kilns all contribute formation smog.6
 Certain Measures should taken control this hazard. Effective legislation, effective public awareness programs needed via print electronic media. Use face masks particularly outdoors, avoidance outdoor activities much possible, regular use purifiers at home offices, minimize from cars transport, tree plantation some measures reduce effects.