YES, IT'S VERMARCABLE
Environment & Climate: EPA Criteria Pollutants & Air-Quality Standards
A free, platform-curated reference to the EPA National Ambient Air Quality Standards for the six criteria pollutants, compiled from EPA regulations. Each record gives the pollutant, the standard level, the averaging time, whether the standard is primary or secondary, and the source. Built for environmental, health, and compliance teams who need dependable public-domain air-quality thresholds with each standard clearly labeled.
{
"_type": "curated_open_data",
"as_of": "2026-07",
"links": {
"canonical": "https://verticalmarketplace.ai",
"docs_for_llms": "https://verticalmarketplace.ai/llms.txt",
"sell_your_own": "https://verticalmarketplace.ai/api/marketplace/listings",
"vertical_listings": "https://verticalmarketplace.ai/api/marketplace/listings?vertical=environment"
},
"records": [
{
"source": "EPA NAAQS (2015)",
"pollutant": "Ozone (O3)",
"standard_type": "Primary and secondary",
"averaging_time": "8-hour",
"standard_level": "0.070 ppm"
},
{
"source": "EPA NAAQS (2024)",
"pollutant": "Fine particulate matter (PM2.5)",
"standard_type": "Primary",
"averaging_time": "Annual mean",
"standard_level": "9.0 micrograms per cubic meter"
},
{
"source": "EPA NAAQS",
"pollutant": "Fine particulate matter (PM2.5)",
"standard_type": "Secondary",
"averaging_time": "Annual mean",
"standard_level": "15.0 micrograms per cubic meter"
},
{
"source": "EPA NAAQS",
"pollutant": "Fine particulate matter (PM2.5)",
"standard_type": "Primary and secondary",
"averaging_time": "24-hour",
"standard_level": "35 micrograms per cubic meter"
},
{
"source": "EPA NAAQS",
"pollutant": "Coarse particulate matter (PM10)",
"standard_type": "Primary and secondary",
"averaging_time": "24-hour",
"standard_level": "150 micrograms per cubic meter"
},
{
"source": "EPA NAAQS",
"pollutant": "Carbon monoxide (CO)",
"standard_type": "Primary",
"averaging_time": "8-hour",
"standard_level": "9 ppm"
},
{
"source": "EPA NAAQS",
"pollutant": "Carbon monoxide (CO)",
"standard_type": "Primary",
"averaging_time": "1-hour",
"standard_level": "35 ppm"
},
{
"source": "EPA NAAQS",
"pollutant": "Sulfur dioxide (SO2)",
"standard_type": "Primary",
"averaging_time": "1-hour",
"standard_level": "75 ppb"
},
{
"source": "EPA NAAQS",
"pollutant": "Sulfur dioxide (SO2)",
"standard_type": "Secondary",
"averaging_time": "3-hour",
"standard_level": "0.5 ppm"
},
{
"source": "EPA NAAQS",
"pollutant": "Nitrogen dioxide (NO2)",
"standard_type": "Primary",
"averaging_time": "1-hour",
"standard_level": "100 ppb"
},
{
"source": "EPA NAAQS",
"pollutant": "Nitrogen dioxide (NO2)",
"standard_type": "Primary and secondary",
"averaging_time": "Annual mean",
"standard_level": "53 ppb"
},
{
"source": "EPA NAAQS",
"pollutant": "Lead (Pb)",
"standard_type": "Primary and secondary",
"averaging_time": "Rolling 3-month average",
"standard_level": "0.15 micrograms per cubic meter"
}
],
"sources": [
{
"url": "https://www.epa.gov/criteria-air-pollutants/naaqs-table",
"name": "EPA — NAAQS Table"
},
{
"url": "https://www.epa.gov/criteria-air-pollutants",
"name": "EPA — Criteria Air Pollutants"
}
],
"category": "benchmarks",
"vertical": "environment",
"data_note": "All records are public-domain facts compiled from the cited sources as of the asOf date. This content is authored and served by the platform itself — it is not seller data, so the marketplace's zero-storage promise about seller datasets is unaffected.",
"record_count": 12,
"what_this_is": "A platform-published open-data listing curated by Open Data Desk, the marketplace's in-house public-data seller. It is real free inventory: it counts in marketplace statistics and is purchasable for $0 through the normal purchase flow, which delivers this payload with an Ed25519-signed receipt.",
"record_schema": {
"source": "Publishing authority",
"pollutant": "The criteria pollutant",
"standard_type": "Primary (health) or secondary (welfare)",
"averaging_time": "The averaging period",
"standard_level": "The numeric standard"
},
"buyer_use_cases": [
"Anchor air-quality analysis to exact federal pollutant standards",
"Support permitting and compliance work with citable NAAQS levels",
"Ground environmental reporting in official EPA thresholds"
]
}The full dataset is delivered after purchase. Fingerprint: sha256:9d4ba5449a95f65c65c32b3f3050a4874a272b2015dc74d7a586e1f407ea3f2d
No answered questions yet — ask the seller anything about this listing.
Data is contributed by independent third-party sellers. Vertical Marketplace facilitates the transaction; sellers keep 95% on everyday sales from $20 to $49,999.99 under the year-one founding rate locked through 2027-06-30 (full schedule: GET /api/meta). Prohibited content (digital keys/licenses/game codes, and health data the seller does not own — e.g. patient records) is not permitted; individuals may sell their own personal health data only via the signed Health Data Consent Flow. See /terms.
- Use the purchased data for your own commercial and non-commercial work
- Create derivative analyses, models, and works from the data
- No reselling or re-listing the purchased data on this or any other marketplace
- No redistributing the raw dataset as-is to third parties
- Exclusive listings are sold to a single buyer and delisted on purchase
- Limited listings are sold to a capped number of buyers and delisted once sold out
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