New Delhi, Nov. 1 -- If you are planning to purchase an air purifier with your hard-earned money as air around you gets toxic, think again. According to health experts, air purifiers are not the only solution to keep your indoor air clean as the same job can be done by placing indoor plants like Peace lily or Boston Fern, along with keeping the environment dust-free.

The air in Delhi and nearby areas was classified as "severe" on Friday, with the Environment Pollution (Prevention and Control) Authority (EPCA) declaring an air emergency and the state government ordering all schools to remain shut till November 5.

According to the US Embassy here, PM 2.5 level on Friday hit 450 on air quality index (AQI). According to Safar India, the PM ...