Photos show impact of temporary air pollution drops across the world from coronavirus lockdown – CNBC

Air pollution has dropped to unprecedented levels across the world as major cities and countries impose lockdown measures to curb the spread of the coronavirus.

More than 2.6 million cases of Covid-19 and at least 183,820 deaths have been documented worldwide, according to Johns Hopkins University.

As humans stay inside, the environment is temporarily changing: wild animals are roaming the streets and some typically smog-filled skies are clear.

People in Punjab, India say they can see the snow peaks of the Himalayas, a view that for decades has been blocked by air pollution. New Delhi alone has recorded a 60% drop in fine particulate matter, the world's deadliest air pollutant.

Los Angeles, the traffic-congested city with some of the highest smog levels in the U.S., has seen nitrogen levels drop significantly andrush-hour traffic essentially vanish.

Despite the rare glimpse of natural beauty like snow-crested mountains and clearer skylines,scientists warn against celebrating anyshort-term benefits from the decline in air pollutionsince levels will reboundonce global restrictions lift.

Narayan Maharjan | NurPhoto | Getty Images

The Langtang range is visiblefrom Kathmandu during the sixth day the nationwide coronavirus lockdown in Nepalon March 29.The restrictionshave decreased air pollution in Kathmandu Valley, which consistently ranks among the most polluted areas in the world.

The top picture shows the India Gate war memorial on October 17, 2019, months before the nationwide lockdown. The bottom picture shows the memorial after air pollution levels began to drop during the lockdown in New Delhi on April 8.

Araya Diaz | Getty Images

Smog has cleared up over downtown Los Angeles during the coronavirus pandemic on April 17. The skyline is usuallyobscured by air pollution, but nitrogen levels have plummeted in the city since the beginning of quarantine.

Willy Kurniawan | Reuters

The top picture shows a typical view of high-rise buildings covered by smog in the Indonesian capital on July 4, 2019. The bottom picture shows the same view of Jakarta during the pandemic on April 16.

David McNew | Getty Images

Traffic plummeted on highways in Los Angeles once the virus restrictions were imposed at midnight on March 20.

Herman Lumanog | Pacific Press | LightRocket via Getty Images

In Philippines' capital city,fine particulate matter the world's deadliest air pollutantdropped by 180% since quarantine measures were imposed in Metro Manila on March 16, according tothe Environmental Pollution Studies Laboratory of The Institute of Environmental Science and Meteorology.

ESA | Handout via Reuters

Satellite imagery distributed by the European Space Agency shows the decline inaverage nitrogen dioxide concentrations from air pollution across Spain from March 14 to March 25.

The Eiffel Tower is seen clearly from the Parisian suburb of Saint-Cloud on April 22.

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Photos show impact of temporary air pollution drops across the world from coronavirus lockdown - CNBC