ISSS608 2018-19 T1 Assign Chen Jingyi Task 2

Observable Effects of Bulgaria Air Pollution Crisis

Overview

Data Preparation

Task 1

Task 2

Task 3

Sensors' coverages

The distribution of sensors over the city is quite interesting, most are evenly distributed in the center area of sofia city, however, on top of the map there exists one lonely station who is isolated from the majority. In all the other sensors, although there are huge discrepancies among the number of records taken by each(ranging from 1 to more than 5000), sensors with large amount of records and those with small amount of records are evenly plotted.

Unexpected observations