3 Pros:
• Data are easy to perceive
• Trend is easy to grasp
• Number values are easy to read out
3 Cons:
• Low density of information
• No geographic localisation
• PM10 and PM2.5 have different meanings and health effects
![timeline](/sites/default/files/styles/max_1300x1300/public/2022-01/image056.png?itok=mAN2BRta)
3 Pros:
• Data are easy to perceive
• Trend is easy to grasp
• Number values are easy to read out
3 Cons:
• Low density of information
• No geographic localisation
• PM10 and PM2.5 have different meanings and health effects