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New Outdoor Sensor Brings Greater Transparency To Outdoor Air Quality

New Outdoor Sensor Brings Greater Transparency To Outdoor Air Quality
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World Air Quality Report Reveals Substantial Air Quality Changes In 2020


World Air Quality Report Reveals Substantial Air Quality Changes In 2020
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GOLDACH, Switzerland, March 16, 2021 /PRNewswire/  New data from IQAir s global air quality data platform, published in the 2020 World Air Quality Report and an online interactive global map, reveals the impact of COVID-19 lockdowns and behavioral changes on global particulate pollution (PM2.5) levels.
Key f
indings:
COVID-19 impact: In 2020, 84% of all monitored countries observed air quality improvements, largely due to global measures to slow the spread of COVID-19.
Air quality improvements across major cities in 2020 compared to 2019 include Beijing (-11%), Chicago (-13%), Delhi (-15%), London (-16%), Paris (-17%) and Seoul (-16%). ....

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