Difference between revisions of "Task 1: Official Air Quality"
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==Past and Present Air Quality Situation in Sofia City== | ==Past and Present Air Quality Situation in Sofia City== | ||
+ | The quality of the air in Sofia City is measured by the concentration of PM10 particles in the environment. From the Density Map, it is observed that the average concentration peaks every year between November and January. But overall, the air quality appears to improve over time. | ||
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+ | [[File:Task1-DensityMap.png|600px|frameless|center]] | ||
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+ | The Calendar Heat Map below shows the concentration of PM10 particles by month and weekly over time. Generally, it can be observed that the air quality dips to "Poor" and "Very Poor" levels during the winter months. There appears to be no difference in the air quality between the weekends and weekdays. Based on this visualisation, the air quality appears to improve over time. | ||
[[File:Task1-CalendarHeatMap.png|600px|frameless|center]] | [[File:Task1-CalendarHeatMap.png|600px|frameless|center]] |
Revision as of 17:58, 18 November 2018
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Contents
Task 1: Spatio-temporal Analysis of Official Air Quality
Characterize the past and most recent situation with respect to air quality measures in Sofia City. What does a typical day look like for Sofia city? Do you see any trends of possible interest in this investigation? What anomalies do you find in the official air quality dataset? How do these affect your analysis of potential problems to the environment?
Past and Present Air Quality Situation in Sofia City
The quality of the air in Sofia City is measured by the concentration of PM10 particles in the environment. From the Density Map, it is observed that the average concentration peaks every year between November and January. But overall, the air quality appears to improve over time.
The Calendar Heat Map below shows the concentration of PM10 particles by month and weekly over time. Generally, it can be observed that the air quality dips to "Poor" and "Very Poor" levels during the winter months. There appears to be no difference in the air quality between the weekends and weekdays. Based on this visualisation, the air quality appears to improve over time.
A Typical Day in Sofia City (2018)
An average day in Sofia City usually consist of air quality that is classified as fair. According to official air quality, the air quality improves during the day hours between 8am to 8pm and deterioates to moderate level between 8pm to 8am.