CivicMemory

Timeline / Data.gov — Environment Datasets

changed Source changed

A new raw object was archived. Both versions are preserved. 74 line(s) added, 74 line(s) removed.

Evidence

SourceData.gov — Environment Datasets
AgencyData.gov
URLhttps://api.gsa.gov/technology/datagov/v4/search?q=environment&sort=last_harvested_date&per_page=100&api_key=${DATAGOV_API_KEY}
Observed by Civic Memory, directly, on 2026-09-22T06:27:29+00:00
Content typeapplication/json
Current object 7d77cb6edf1725b4fc68d53bc0d980d2310f6480532c385c1540721ca7cd787a download raw metadata
Previous object 605bac31f0ef18f437535edfb33b85d48a91c89dafec8be32c860b3968eb1547 download raw metadata

What changed derived

This diff is not evidence. It was produced by civic-memory.diff_engine 1.1.0 at 2026-09-22T06:27:29+00:00 by normalizing the two archived objects above. The objects are authoritative; this reading of them can be regenerated or deleted without loss. 74 line(s) added, 74 line(s) removed.

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- "description": "The Nonattainment Area - Particulate Matter -2.5 (2012) dataset was updated on August 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). This dataset provides detailed information about areas identified in the U.S. where annual particulate matter (PM2.5) levels have not met the National Ambient Air Quality Standards (NAAQS) established in 2012 for particulate matter (PM2.5) and have been designated \"nonattainment areas (NAA)\". These data are weekly from an OAQPS internal database. However, that does not necessarily mean the data have changed. For more information about this
+ "description": "The Nonattainment Area - Particulate Matter -2.5 (2012) dataset was updated on August 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). This dataset provides detailed information about areas identified in the U.S. where annual particulate matter (PM2.5) levels have not met the National Ambient Air Quality Standards (NAAQS) established in 2012 for particulate matter (PM2.5) and have been designated \"nonattainment areas (NAA)\". These data are weekly from an OAQPS internal database. However, that does not necessarily mean the data have changed. For more inform