{
  "model_id": "AQS_HMS_MONITOR_COINCIDENCE_V3",
  "years": [
    2006,
    2026
  ],
  "threshold_pm25_ug_m3": 35.5,
  "minimum_observation_percent": 75.0,
  "aqs_event_policy": {
    "included_daily_summary_event_types": [
      "events included",
      "included",
      "no events",
      "none"
    ],
    "excluded_daily_summary_variants_are_ignored": true,
    "specific_fire_qualifier_codes_available_in_bulk_daily_files": false,
    "interpretation": "Included summaries preserve event-affected measurements, but the bulk daily files do not identify RF Canadian fire, RT U.S. wildfire, or RM prescribed fire codes. HMS overlap supplies smoke presence, not fire origin."
  },
  "balanced_panel": {
    "definition_years": [
      2006,
      2025
    ],
    "minimum_valid_day_share_each_year": 0.75,
    "site_count": 117,
    "site_ids": [
      "010732003",
      "051190007",
      "060074001",
      "060290014",
      "060371103",
      "060590007",
      "060610006",
      "060658001",
      "060670010",
      "061010003",
      "080310002",
      "090031003",
      "090090027",
      "100032004",
      "110010043",
      "120310098",
      "120730012",
      "120861016",
      "121030018",
      "130511002",
      "130590002",
      "130890002",
      "131210055",
      "131350002",
      "132450091",
      "160590004",
      "180890022",
      "180970078",
      "191530030",
      "191630015",
      "220190008",
      "220330009",
      "220511001",
      "221210001",
      "250051004",
      "250154002",
      "250250042",
      "250270023",
      "261630001",
      "270031002",
      "270052013",
      "270353204",
      "270370470",
      "270750005",
      "270834210",
      "271095008",
      "271713201",
      "290470005",
      "290950034",
      "291893001",
      "295100007",
      "295100085",
      "300810007",
      "310550019",
      "320030561",
      "340171003",
      "340390004",
      "340392003",
      "350550005",
      "360810124",
      "370210034",
      "370350004",
      "370510009",
      "370570002",
      "370670022",
      "371190041",
      "371730002",
      "401431127",
      "410010004",
      "410090004",
      "410170120",
      "410330114",
      "410350004",
      "410370001",
      "410390060",
      "410391009",
      "410392013",
      "410430009",
      "410470041",
      "410510080",
      "410590121",
      "410630001",
      "410670004",
      "410670111",
      "420030008",
      "420030064",
      "420270100",
      "420410101",
      "420430401",
      "420950025",
      "421255001",
      "440070022",
      "480290059",
      "481351014",
      "481410044",
      "482010024",
      "482011039",
      "482030002",
      "482450021",
      "482570005",
      "484391006",
      "490353006",
      "490494001",
      "510590030",
      "530010003",
      "530050002",
      "530210002",
      "530251002",
      "530310003",
      "530330017",
      "530331011",
      "530370002",
      "530530029",
      "530611007",
      "530670013",
      "530750006",
      "530770009"
    ]
  },
  "source_audits": [
    {
      "year": 2006,
      "aqs": {
        "data_through": "2006-12-31",
        "raw_rows": 384924,
        "selected_site_days": 218217,
        "event_included_rows": 2744,
        "event_excluded_rows_ignored": 0,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 3094
      },
      "hms_data_through": "2006-12-31",
      "hms_last_polygon_date": "2006-12-31",
      "hms_polygon_records": 15443,
      "airnow_data_through": ""
    },
    {
      "year": 2007,
      "aqs": {
        "data_through": "2007-12-31",
        "raw_rows": 450212,
        "selected_site_days": 249330,
        "event_included_rows": 3053,
        "event_excluded_rows_ignored": 2,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 3134
      },
      "hms_data_through": "2007-12-31",
      "hms_last_polygon_date": "2007-12-31",
      "hms_polygon_records": 19872,
      "airnow_data_through": ""
    },
    {
      "year": 2008,
      "aqs": {
        "data_through": "2008-12-31",
        "raw_rows": 479451,
        "selected_site_days": 256528,
        "event_included_rows": 3486,
        "event_excluded_rows_ignored": 0,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 3600
      },
      "hms_data_through": "2008-12-31",
      "hms_last_polygon_date": "2008-12-31",
      "hms_polygon_records": 23277,
      "airnow_data_through": ""
    },
    {
      "year": 2009,
      "aqs": {
        "data_through": "2009-12-31",
        "raw_rows": 536448,
        "selected_site_days": 274890,
        "event_included_rows": 12712,
        "event_excluded_rows_ignored": 4,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 3882
      },
      "hms_data_through": "2009-12-31",
      "hms_last_polygon_date": "2009-12-31",
      "hms_polygon_records": 23473,
      "airnow_data_through": ""
    },
    {
      "year": 2010,
      "aqs": {
        "data_through": "2010-12-31",
        "raw_rows": 588346,
        "selected_site_days": 289285,
        "event_included_rows": 24238,
        "event_excluded_rows_ignored": 18,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 5235
      },
      "hms_data_through": "2010-12-31",
      "hms_last_polygon_date": "2010-12-31",
      "hms_polygon_records": 27230,
      "airnow_data_through": ""
    },
    {
      "year": 2011,
      "aqs": {
        "data_through": "2011-12-31",
        "raw_rows": 614756,
        "selected_site_days": 287138,
        "event_included_rows": 20855,
        "event_excluded_rows_ignored": 26,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 6977
      },
      "hms_data_through": "2011-12-31",
      "hms_last_polygon_date": "2011-12-31",
      "hms_polygon_records": 33720,
      "airnow_data_through": ""
    },
    {
      "year": 2012,
      "aqs": {
        "data_through": "2012-12-31",
        "raw_rows": 645062,
        "selected_site_days": 296530,
        "event_included_rows": 26872,
        "event_excluded_rows_ignored": 36,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 7250
      },
      "hms_data_through": "2012-12-31",
      "hms_last_polygon_date": "2012-12-31",
      "hms_polygon_records": 27966,
      "airnow_data_through": ""
    },
    {
      "year": 2013,
      "aqs": {
        "data_through": "2013-12-31",
        "raw_rows": 671095,
        "selected_site_days": 303420,
        "event_included_rows": 27086,
        "event_excluded_rows_ignored": 85,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 7480
      },
      "hms_data_through": "2013-12-31",
      "hms_last_polygon_date": "2013-12-31",
      "hms_polygon_records": 23151,
      "airnow_data_through": ""
    },
    {
      "year": 2014,
      "aqs": {
        "data_through": "2014-12-31",
        "raw_rows": 684238,
        "selected_site_days": 309013,
        "event_included_rows": 24850,
        "event_excluded_rows_ignored": 140,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 8737
      },
      "hms_data_through": "2014-12-31",
      "hms_last_polygon_date": "2014-12-30",
      "hms_polygon_records": 18562,
      "airnow_data_through": ""
    },
    {
      "year": 2015,
      "aqs": {
        "data_through": "2015-12-31",
        "raw_rows": 694821,
        "selected_site_days": 317878,
        "event_included_rows": 18271,
        "event_excluded_rows_ignored": 174,
        "event_excluded_only_site_days": 4,
        "invalid_or_incomplete_rows_ignored": 10066
      },
      "hms_data_through": "2015-12-31",
      "hms_last_polygon_date": "2015-12-30",
      "hms_polygon_records": 16349,
      "airnow_data_through": ""
    },
    {
      "year": 2016,
      "aqs": {
        "data_through": "2016-12-31",
        "raw_rows": 702845,
        "selected_site_days": 321679,
        "event_included_rows": 16306,
        "event_excluded_rows_ignored": 240,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 11413
      },
      "hms_data_through": "2016-12-31",
      "hms_last_polygon_date": "2016-12-31",
      "hms_polygon_records": 21267,
      "airnow_data_through": ""
    },
    {
      "year": 2017,
      "aqs": {
        "data_through": "2017-12-31",
        "raw_rows": 736745,
        "selected_site_days": 332484,
        "event_included_rows": 29403,
        "event_excluded_rows_ignored": 151,
        "event_excluded_only_site_days": 2,
        "invalid_or_incomplete_rows_ignored": 10779
      },
      "hms_data_through": "2017-12-31",
      "hms_last_polygon_date": "2017-12-31",
      "hms_polygon_records": 26187,
      "airnow_data_through": ""
    },
    {
      "year": 2018,
      "aqs": {
        "data_through": "2018-12-31",
        "raw_rows": 808431,
        "selected_site_days": 342644,
        "event_included_rows": 83430,
        "event_excluded_rows_ignored": 89,
        "event_excluded_only_site_days": 1,
        "invalid_or_incomplete_rows_ignored": 10376
      },
      "hms_data_through": "2018-12-31",
      "hms_last_polygon_date": "2018-12-31",
      "hms_polygon_records": 41294,
      "airnow_data_through": ""
    },
    {
      "year": 2019,
      "aqs": {
        "data_through": "2019-12-31",
        "raw_rows": 891974,
        "selected_site_days": 350749,
        "event_included_rows": 131249,
        "event_excluded_rows_ignored": 52,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 10261
      },
      "hms_data_through": "2019-12-31",
      "hms_last_polygon_date": "2019-12-31",
      "hms_polygon_records": 42951,
      "airnow_data_through": ""
    },
    {
      "year": 2020,
      "aqs": {
        "data_through": "2020-12-31",
        "raw_rows": 931770,
        "selected_site_days": 353934,
        "event_included_rows": 165072,
        "event_excluded_rows_ignored": 64,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 9678
      },
      "hms_data_through": "2020-12-31",
      "hms_last_polygon_date": "2020-12-31",
      "hms_polygon_records": 45287,
      "airnow_data_through": ""
    },
    {
      "year": 2021,
      "aqs": {
        "data_through": "2021-12-31",
        "raw_rows": 1011024,
        "selected_site_days": 365063,
        "event_included_rows": 216715,
        "event_excluded_rows_ignored": 72,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 9379
      },
      "hms_data_through": "2021-12-31",
      "hms_last_polygon_date": "2021-12-31",
      "hms_polygon_records": 27445,
      "airnow_data_through": ""
    },
    {
      "year": 2022,
      "aqs": {
        "data_through": "2022-12-31",
        "raw_rows": 1063468,
        "selected_site_days": 368635,
        "event_included_rows": 260278,
        "event_excluded_rows_ignored": 46,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 10060
      },
      "hms_data_through": "2022-12-31",
      "hms_last_polygon_date": "2022-12-31",
      "hms_polygon_records": 21768,
      "airnow_data_through": ""
    },
    {
      "year": 2023,
      "aqs": {
        "data_through": "2023-12-31",
        "raw_rows": 1024130,
        "selected_site_days": 374664,
        "event_included_rows": 203406,
        "event_excluded_rows_ignored": 289,
        "event_excluded_only_site_days": 1,
        "invalid_or_incomplete_rows_ignored": 9587
      },
      "hms_data_through": "2023-12-31",
      "hms_last_polygon_date": "2023-12-31",
      "hms_polygon_records": 20191,
      "airnow_data_through": ""
    },
    {
      "year": 2024,
      "aqs": {
        "data_through": "2024-12-31",
        "raw_rows": 905268,
        "selected_site_days": 390667,
        "event_included_rows": 39039,
        "event_excluded_rows_ignored": 32,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 8544
      },
      "hms_data_through": "2024-12-31",
      "hms_last_polygon_date": "2024-12-31",
      "hms_polygon_records": 12527,
      "airnow_data_through": ""
    },
    {
      "year": 2025,
      "aqs": {
        "data_through": "2025-12-31",
        "raw_rows": 908061,
        "selected_site_days": 390222,
        "event_included_rows": 33492,
        "event_excluded_rows_ignored": 210,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 8081
      },
      "hms_data_through": "2025-12-31",
      "hms_last_polygon_date": "2025-12-31",
      "hms_polygon_records": 24238,
      "airnow_data_through": ""
    },
    {
      "year": 2026,
      "aqs": {
        "data_through": "2026-05-31",
        "raw_rows": 205617,
        "selected_site_days": 88435,
        "event_included_rows": 6897,
        "event_excluded_rows_ignored": 2,
        "event_excluded_only_site_days": 0,
        "invalid_or_incomplete_rows_ignored": 2324
      },
      "hms_data_through": "2026-07-18",
      "hms_last_polygon_date": "2026-07-18",
      "hms_polygon_records": 27305,
      "airnow_data_through": "2026-07-18"
    }
  ],
  "first_pass_reconciles": true,
  "comparability": {
    "stanford": false,
    "reason": "This screen uses observed total PM2.5 at monitored points plus HMS presence; Stanford estimates wildfire-attributable PM2.5 for all counties.",
    "same_cutoff_2026_monitor_source_break": "The 2026 fixed window supplements lagged AQS with preliminary AirNow after 2026-06-01; older years use final AQS daily summaries."
  }
}