Coronavirus lockdown leads to improved air quality

Efforts to curb the spread of coronavirus pandemic have slashed economic activity and resulted in localised improvements in air quality, the World Meteorological Organization (WMO) has said.

However, it is too early to assess the implications for concentrations of greenhouse gases that are responsible for long-term climate change. That is because carbon dioxide levels at key observing stations have so far this year been higher than the previous one.

In its statement on Friday, the WMO stressed that any cuts in emissions as a result of the economic crisis triggered by the pandemic are not a substitute for concerted climate action.

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