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- Title
Effects of ambient air pollution on emergency room visits of children for acute respiratory symptoms in Delhi, India.
- Authors
Yadav, Rashmi; Nagori, Aditya; Mukherjee, Aparna; Singh, Varinder; Lodha, Rakesh; Kabra, Sushil Kumar; Yadav, Geetika; Saini, Jitendra Kumar; Singhal, Kamal Kumar; Jat, Kana Ram; Madan, Karan; George, Mohan P.; Mani, Kalaivani; Mrigpuri, Parul; Kumar, Raj; Guleria, Randeep; Pandey, Ravindra Mohan; Sarin, Rohit; Dhaliwal, Rupinder Singh
- Abstract
The present study explored the association between daily ambient air pollution and daily emergency room (ER) visits due to acute respiratory symptoms in children of Delhi. The daily counts of ER visits (ERV) of children (≤15 years) having acute respiratory symptoms were obtained from two hospitals of Delhi for 21 months. Simultaneously, data on daily concentrations of particulate matter (PM10 and PM2.5), nitrogen dioxide (NO2), sulfur dioxide (SO2), carbon monoxide (CO), and ozone (O3) and weather variables were provided by the Delhi Pollution Control Committee. K-means clustering with time-series approach and multi-pollutant generalized additive models with Poisson link function was used to estimate the 0–6-day lagged change in daily ER visits with the change in multiple pollutants levels. Out of 1,32,029 children screened, 19,120 eligible children having acute respiratory symptoms for ≤2 weeks and residing in Delhi for the past 4 weeks were enrolled. There was a 29% and 21% increase in ERVs among children on high and moderate level pollution cluster days, respectively, compared to low pollution cluster days on the same day and previous 1–6 days of exposure to air pollutants. There was percentage increase (95% CI) 1.50% (0.76, 2.25) in ERVs for acute respiratory symptoms for 10 μg/m3 increase of NO2 on previous day 1, 46.78% (21.01, 78.05) for 10 μg/m3 of CO on previous day 3, and 13.15% (9.95, 16.45) for 10 μg/m3 of SO2 on same day of exposure. An increase in the daily ER visits of children for acute respiratory symptoms was observed after increase in daily ambient air pollution levels in Delhi.
- Subjects
DELHI (India); AIR pollutants; AIR pollution; SYMPTOMS; HOSPITAL emergency services; PARTICULATE matter; K-means clustering; CARBON monoxide
- Publication
Environmental Science & Pollution Research, 2021, Vol 28, Issue 33, p45853
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-021-13600-7