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  _____    _    _    __   _     _____    _____    
 /  ___|| | || | || | || | ||  |  ___|| |  __ \\  
| // __   | || | || | '--' ||  | ||__   | |  \ || 
| \\_\ || | \\_/ || | .--. ||  | ||__   | |__/ || 
 \____//   \____//  |_|| |_||  |_____|| |_____//  
  `---`     `---`   `-`  `-`   `-----`   -----`

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Text this: Characterization of Particulate Matter (PM2.5) in selected urban background and traffic sites in Metro Manila