- PM2.5



Substance Details
1647635
Physical Property
Particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers
PM2.5
Particulate matter where particles are less than or equal to 2.5 micrometers in size.

Additional Metadata

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Program and Regulatory Information

Statutes/Regulations

Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.

Statutes/Regulations Synonym Synonym Quality Effective Date End Date
40 CFR 53: Ambient Air Monitoring PM 2.5 Unknown
Conformity of State or Federal Implementation Plans PM2.5 Unknown
40 CFR 58: Ambient Air Quality Surveillance PM2.5 Unknown
Designation Of Areas For Air Quality Planning Purposes PM2.5 Unknown

EPA Applications/Systems

Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.

EPA Applications/Systems Synonym Synonym Quality Effective Date End Date
AQS PM fine 0-2.5um STP Unknown
AQS PM2.5 - Local Conditions Unknown
ICIS-Air Particulate matter < 2.5 um Unknown
Other Sources

Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.

Other Sources Synonym Synonym Quality Effective Date End Date
ChemIDStd PM2.5 Valid

Ad Hoc List
Ad Hoc List Synonym Synonym Quality Effective Date End Date
EPA Particulate matter - PM2.5 Valid
EPA Particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers Valid

Additional Synonyms
There are no Synonyms of this type.

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Related Substances

This substance is not a Related Substance of any other substance.

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Health and Other Scientific Information

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Molecular Structure

There is no structure for this substance.

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