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EPA AQS / January–March 2026

Retrieved October 19, 2026 from daily_88101_2026.zip. Latest matching Detroit observation: March 31, 2026. The download listing reports this file as of June 25, 2026. Publication/update date is distinct from observation date. AQS is delayed reporting, not real time.

Exact row selection: State Code26, County Code163, City NameDetroit, Parameter Code88101, POC1, Sample Duration24-HR BLK AVG, Pollutant StandardPM25 24-hour 2012, Event TypeNone. No other durations, POCs, event variants or standard copies are pooled. The “2012” label selects an EPA aggregation record; it is not a health recommendation.

Values are Arithmetic Mean, µg/m³ at local conditions. Records use Date Local. Missing means no matching record in this snapshot; it does not establish why the record is absent. No future dates after March31 are added.

StationObservations / 90Latest date
0015 / Southwest43March17
0019 / East7Mile60March31
0093 / ElizaHowell-NR85March31
0097 / New Mt. Herman Church90March31
0098 / DP4th90March31
0099 / Trinity St Marks90March31
0100 / Military Park90March31

548 observations /630 possible station-days;82 missing. Main station0097:90 observations, quarter median6.45 µg/m³. Network maximum43.4 µg/m³. The selected March31 primary concentration is10.9 µg/m³; six stations report on that date.

Source archive SHA256:
c6900edda13ee5d451abb393f961ae427e76506bb87931967db54150143c91d5

EPA field definitions · EPA downloads · Complete selected source rows · Manifest · Seven visual mappings

The current presentation uses 2026 data. Earlier separate prototype pages and their thumbnails retain their clearly dated 2025 snapshot for source history; they are not part of the current seven-work presentation.