CO (42101) data for 2009

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U.S. Envioronmental Protection Agency Air Quality System

The Air Quality System (AQS) contains ambient air pollution data collected by EPA, state, local, and tribal air pollution control agencies from over thousands of monitors. AQS...

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CO (42101) data for 2009

Contains CO (42101) data throughout the U.S. for the year 2009

Data and Resources

co-2009url
Resource pointing to https://aqs.epa.gov/aqsweb/airdata/daily_42101_2009.zip
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Additional Info

Field	Value
Last Updated	May 19, 2025, 15:41 (UTC)
Created	May 19, 2025, 15:41 (UTC)
file-size	2,360 KB
file_type	CSV
last-update	As of 2024-08-20
parameter-type	CO (42101)
rows	236,820 Rows
year	2009