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Historical Global Air Quality Dataset
Data Science and Analytics
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About
This dataset provides detailed global air pollution levels from 2000 to 2021, offering insights into environmental conditions across various countries and cities. It includes key particulate matter and gas concentration measurements, making it valuable for environmental analysis and research. The dataset comprises ten distinct columns, capturing crucial aspects of air quality worldwide.
Columns
- Country Name: Specifies the name of the country where the pollution data was recorded. This column contains data for 118 unique countries.
- City: Identifies the specific city or town associated with the pollution measurements. There are 6,874 unique city names recorded.
- Year: Indicates the year the air pollution data was collected, ranging from 2000 to 2021.
- PM2.5 (μg/m3): Represents the Particulate Matter 2.5 pollution level, measured in micrograms per cubic metre. This column has a range from 0.01 to 192 and has approximately 47% valid entries.
- PM10 (μg/m3): Shows the Particulate Matter 10 level, also in micrograms per cubic metre. Values in this column range from 1.04 to 540, with about 66% valid data.
- NO2 (μg/m3): Details the Nitrogen Dioxide level, expressed in micrograms per cubic metre. The values span from 0 to 211, and approximately 69% of the data is valid.
- PM2.5 temporal coverage (%): Indicates the percentage of temporal coverage for PM2.5 pollution data. This column has a mean of 90.8% and around 23% valid entries.
- PM10 temporal coverage (%): Indicates the percentage of temporal coverage for PM10 pollution data. The mean for this column is 90.6%, with about 17% valid entries.
- NO2 temporal coverage (%): Indicates the percentage of temporal coverage for Nitrogen Dioxide data. This column has a mean of 93.7% and approximately 62% valid entries.
- Updated Year: Specifies the year in which the data records were updated, with a range from 2016 to 2022.
Distribution
The dataset is provided as a CSV file, named "Air Pollution.csv", with a file size of 1.69 MB. It is structured in a tabular format, containing over 32,000 records for core geographical and temporal attributes. However, specific pollution measurement columns like PM2.5, PM10, and NO2, along with their temporal coverage percentages, have varying amounts of missing data.
Usage
This dataset is ideal for:
- Analysing global air quality trends over two decades.
- Conducting environmental impact assessments and risk analyses.
- Supporting policy development related to air quality control.
- Geographical mapping of pollution hotspots.
- Public health studies examining the effects of air pollution.
Coverage
The dataset offers global geographical coverage, encompassing data from 118 unique countries and thousands of cities worldwide. The temporal scope spans from 2000 to 2021, with data updates recorded up to 2022. It provides specific notes on data availability, highlighting that while core geographical and temporal fields are fully populated, significant portions of the pollution measurement and temporal coverage data are missing for various reasons.
License
CC0: Public Domain
Who Can Use It
- Environmental Researchers: For detailed analysis of pollution patterns, causes, and effects.
- Government Agencies and Policymakers: To inform decisions on air quality standards and environmental regulations.
- Public Health Professionals: To assess the health risks associated with air pollution levels in different regions.
- Data Scientists and Analysts: For developing predictive models, visualising environmental data, and identifying critical trends.
- Educational Institutions: As a resource for studies in environmental science, geography, and public health.
Dataset Name Suggestions
- Global Air Quality Measurements (2000-2021)
- Worldwide Atmospheric Pollution Levels
- Historical Global Air Quality Dataset
- Environmental Air Pollution Data by City and Country
Attributes
Original Data Source: Historical Global Air Quality Dataset
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