While the COVID-19 pandemic continues to wreak havoc on the health of millions around the world, one of the unseen effects is the impact the virus has had on air quality. With worlwide restriction on travel and industry, some major citites have experienced dramatic decreases in particulate air pollution by upwards for 60%. The positive effect on air quality has been an undeniable bright spot in an otherwise bleek pandemic that has gripped the world, causing unprecedented personal and business restrictions.
By the Numbers
- New Delhi, India – decrease of 60% from March 23 to April 13 from the same period in 2019.
- Wuhan, China – saw a 44% reduction in air pollution levels from February 26 to March 18 from the same period last year.
- Los Angeles, California – over 18 days from March 7 to 28. PM2.5 concentration levels were down by 31% from the same time last year.
- New York, New York – decrease of 25% in PM2.5 concentration levels
- Seoul, Korea – decrease of 54% in PM2.5 concentration levels
- Madrid, Spain – decrease of 11% in PM2.5 concentration levels
- London, England – decrease of 9% in PM2.5 concentration levels
From Bejing to Los Angeles, cities have enjoyed a positive improvement in air quality. Enjoy some photos highlighting dramatic before and after images from around the globe.