File:Difference between levels of PM2.5 in the air in 2019 and 2022 among 70 capital cities.png
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Original file (2,400 × 2,680 pixels, file size: 327 KB, MIME type: image/png)
Summary
| Description |
English: Difference between levels of PM2.5 in the air in 2019 and 2022 among 70 capital cities (using data from aqicn.org’s World Air Quality Index for each city, the difference between the average PM2.5 micrograms per cubic meter of air (µg/m3) value for the first nine months of 2019 and the first nine months of 2022 was calculated. A formula developed by AirNow was used to convert AQI PM2.5 into µg/m3 values). |
| Date | |
| Source | https://housefresh.com/the-cities-where-air-pollution-has-increased-and-decreased-the-most-since-2019/ |
| Author | HouseFresh.com, https://housefresh.com/about/, Danny Ashton |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:53, 28 March 2023 | | 2,400 × 2,680 (327 KB) | commons>Dustfreeworld | Uploaded a work by HouseFresh.com, https://housefresh.com/about/, Danny Ashton from https://housefresh.com/the-cities-where-air-pollution-has-increased-and-decreased-the-most-since-2019/ with UploadWizard |
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