Correction: Estimates of air pollution in Delhi from the burning of firecrackers during the festival of Diwali

The images for Figs 2 and 3 are incorrectly switched. The image that appears as Fig 2 should be Fig 3, and the image that appears as Fig 3 should be Fig 2. The figure captions appear in the correct order.

Fig 2. Location effects in pollution levels.

Fig 3. Month effects in pollution levels.