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Effect Of Air Pollution On Daily Morbidity In Karachi, Pakistan, Haider Khwaja, Zafar Fatmi, Daniel Malashock, Zafar Aminov, Ambreen Kazi, Azhar Siddique, Jahanzeb Qureshi Qureshi, David Carpenter

Community Health Sciences

Levels of daily particulates (PM2.5) were monitored at two sites in Karachi, Pakistan. One site (Korangi) is an industrial and residential neighborhood, while the other (Tibet Center) is a commercial and residential area near a major highway. Monitoring was done daily for a period of six weeks during spring, summer, fall and winter. Particulate levels were extraordinarily high, with the great majority of days falling into the “unhealthy for sensitive groups” or “very unhealthy” categories. The mean PM2.5 levels in Karachi exceeded the WHO’s 24 h air quality guideline almost every day and often by a factor of greater than …