National Ambient Air Quality Standards
E4935
The National Ambient Air Quality Standards are U.S. federal air pollution limits that set maximum allowable concentrations of key pollutants in outdoor air to protect public health and the environment.
All labels observed (3)
| Label | Occurrences |
|---|---|
| National Ambient Air Quality Standards canonical | 12 |
| NAAQS | 4 |
| National Ambient Air Quality Standards (India) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T77982 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Ambient Air Quality Standards Context triple: [United States Environmental Protection Agency, oversightOf, National Ambient Air Quality Standards]
-
A.
Council on Environmental Quality
The Council on Environmental Quality is a U.S. federal agency that coordinates environmental efforts across the executive branch and oversees implementation of the National Environmental Policy Act.
-
B.
United States Environmental Protection Agency
The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
-
C.
Public Law 80-253
Public Law 80-253 is the formal designation of the landmark National Security Act of 1947, which reorganized the U.S. military and intelligence structure after World War II.
-
D.
Riegle Community Development and Regulatory Improvement Act of 1994
The Riegle Community Development and Regulatory Improvement Act of 1994 is a U.S. federal law aimed at promoting community development and financial services in underserved areas, notably by establishing the Community Development Financial Institutions (CDFI) Fund.
-
E.
Great Lakes Water Quality Agreement
The Great Lakes Water Quality Agreement is a binational accord between the United States and Canada that establishes shared commitments and coordinated actions to protect and restore the water quality and ecosystem health of the Great Lakes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Ambient Air Quality Standards Target entity description: The National Ambient Air Quality Standards are U.S. federal air pollution limits that set maximum allowable concentrations of key pollutants in outdoor air to protect public health and the environment.
-
A.
Council on Environmental Quality
The Council on Environmental Quality is a U.S. federal agency that coordinates environmental efforts across the executive branch and oversees implementation of the National Environmental Policy Act.
-
B.
United States Environmental Protection Agency
The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
-
C.
Public Law 80-253
Public Law 80-253 is the formal designation of the landmark National Security Act of 1947, which reorganized the U.S. military and intelligence structure after World War II.
-
D.
Riegle Community Development and Regulatory Improvement Act of 1994
The Riegle Community Development and Regulatory Improvement Act of 1994 is a U.S. federal law aimed at promoting community development and financial services in underserved areas, notably by establishing the Community Development Financial Institutions (CDFI) Fund.
-
E.
Great Lakes Water Quality Agreement
The Great Lakes Water Quality Agreement is a binational accord between the United States and Canada that establishes shared commitments and coordinated actions to protect and restore the water quality and ecosystem health of the Great Lakes.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal standard
ⓘ
air quality standard ⓘ |
| abbreviation |
NAAQS
ⓘ
linked to:
National Ambient Air Quality Standards
|
| administeredBy |
EPA
ⓘ
United States Environmental Protection Agency ⓘ |
| appliesTo |
all states
ⓘ
criteria air pollutants ⓘ tribal areas where approved ⓘ |
| attainmentAreaDefinedBy | meeting NAAQS ⓘ |
| authorityType | federal regulation ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| enforcementMechanism | sanctions for state noncompliance ⓘ |
| firstPromulgatedBy | United States Environmental Protection Agency ⓘ |
| firstPromulgatedYear | 1971 ⓘ |
| hasType |
primary standard
ⓘ
secondary standard ⓘ |
| implementedThrough |
SIPs
ⓘ
State Implementation Plans ⓘ |
| includesMarginOfSafety | true ⓘ |
| legalBasis |
Clean Air Act
ⓘ
Clean Air Act Section 109 ⓘ
linked to:
Clean Air Act
|
| measurementBasis | concentration over specified averaging times ⓘ |
| nonattainmentAreaDefinedBy | failure to meet NAAQS ⓘ |
| pollutantCovered |
PM10
ⓘ
PM2.5 ⓘ carbon monoxide ⓘ lead ⓘ nitrogen dioxide ⓘ ozone ⓘ particulate matter ⓘ sulfur dioxide ⓘ |
| primaryStandardProtects | public health ⓘ |
| purpose |
protection of public health
ⓘ
protection of public welfare ⓘ |
| regulates | maximum allowable ambient concentration of pollutants ⓘ |
| regulatoryCitation | 40 CFR Part 50 ⓘ |
| relatedProgram |
New Source Review
ⓘ
PSD program ⓘ Prevention of Significant Deterioration ⓘ |
| relatedTo |
National Emission Standards for Hazardous Air Pollutants
ⓘ
linked to:
NESHAP
|
| requiresReviewIntervalYears | 5 ⓘ |
| reviewedBy | EPA Administrator ⓘ |
| scientificBasis |
Integrated Science Assessments
ⓘ
air quality criteria documents ⓘ |
| scope | ambient outdoor air ⓘ |
| secondaryStandardProtects | public welfare ⓘ |
| shortName |
NAAQS
ⓘ
linked to:
National Ambient Air Quality Standards
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: National Ambient Air Quality Standards Description of subject: The National Ambient Air Quality Standards are U.S. federal air pollution limits that set maximum allowable concentrations of key pollutants in outdoor air to protect public health and the environment.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Environmental Protection Agency
→
oversightOf
→
National Ambient Air Quality Standards
ⓘ
linked to: National Ambient Air Quality Standards
linked to: National Ambient Air Quality Standards
linked to: National Ambient Air Quality Standards
Congestion Mitigation and Air Quality Improvement Program
→
relatedToStandard
→
National Ambient Air Quality Standards
ⓘ
Air (Prevention and Control of Pollution) Act, 1981
→
supports
→
National Ambient Air Quality Standards (India)
ⓘ
linked to: National Ambient Air Quality Standards
subject linked to:
CSAPR