India, Jan. 8 -- A pilot health surveillance study conducted between January and July 2021 has found a clear short-term increase in cardiovascular emergencies in Delhi following spikes in air pollution. The study observed that hospital admissions rose by 1.8%, 1.2% and 2% with every 10-unit increase in AQI, PM10 and PM2.5, respectively. No similar trend was observed in Shimla, where the association was inconsistent and statistically non-significant.

Titled "Piloting surveillance of environmental risks and cardiovascular events in Delhi and Shimla, India, 2021", the study was recently published in the journal Discover Public Health by Springer Nature.

The study covered over 41,000 hospital admissions from selected tertiary care hospitals...