versão impressa ISSN 0187-6236 THAKUR, B. et al. Air pollution
from fireworks during festival of lights (Deepawali) in Howrah,
India - a case study. Atmósfera [online]. 2010, vol.23, n.4, pp.
347-365. ISSN 0187-6236. Fireworks display during festive
celebrations can cause acute short term air pollution. Deepawali
-the festival of light- is celebrated in India, every year
during October or November with great fireworks display.
Concentration of air pollutants such as SPM (suspended
particulate matter), PM10, PM2.5, SO2 and NO2 were monitored for
six consecutive days during Deepawali in Salkia, a densely
populated residential area near Kolkata, India, for assessing
the impacts of fireworks on ambient air quality. The pollutant
concentrations as recorded on Deepawali were found to be several
times higher (6.44 times for SPM, 7.16 times for PM10, 5.35
times for PM2.5, 1.73 times for SO2 and 1.27 times for NO2)
compared to a typical winter day value. The results indicated
the huge contribution of fireworks on the