1.2

1. Time lines for single gases 

2. National maps and bar charts

3. Tables for single cities 

4. Global maps with coloured labels

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Sources: 

1. _{https://acp.copernicus.org/articles/18/15403/2018/acp-18-15403-2018.pdf}
2. _{slide 3 in the presentation at the UNECE/UNEP -First regional webinar on “First regional webinar on Health effects of air pollution“ by Aiymgul Kerimray on Air quality in cities of Kazakhstan. December 16^th, 2020, or https://www.tandfonline.com/doi/full/10.1080/10962247.2020.1813837}
3. _{slide 3 in the presentation at the UNECE/UNEP -First regional webinar on “First regional webinar on Health effects of air pollution“ by Aiymgul Kerimray on Air quality in cities of Kazakhstan. December 16^th, 2020, or https://www.tandfonline.com/doi/full/10.1080/10962247.2020.1813837}
4. _{http://aqicn.org/city/all/}