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        "baselineAnnualPrecipitationMm": 574,
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      }
    },
    {
      "id": "chicago-il",
      "name": "Chicago",
      "state": "Illinois",
      "stateCode": "IL",
      "coordinates": {
        "latitude": 41.8781,
        "longitude": -87.6298
      },
      "census": [
        {
          "period": "2015-2019",
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          "marginsOfError": {
            "medianHouseholdIncomeUsd": 589,
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          },
          "source": "US Census Bureau, ACS 5-year estimates",
          "geography": "Chicago city, Illinois",
          "geoId": "1714000"
        },
        {
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          "marginsOfError": {
            "medianHouseholdIncomeUsd": 907,
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            "workFromHomePct": 0.4
          },
          "source": "US Census Bureau, ACS 5-year estimates",
          "geography": "Chicago city, Illinois",
          "geoId": "1714000"
        }
      ],
      "airQuality": {
        "status": "available",
        "stationCount": 9,
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          "pm25UgM3": 10.6
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        "monthlyPm25UgM3": [
          {
            "month": "2026-05",
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          {
            "month": "2026-06",
            "value": 9.3
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          {
            "month": "2026-07",
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            "month": "2026-08",
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          {
            "month": "2026-09",
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          {
            "month": "2026-10",
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    },
    {
      "id": "seattle-wa",
      "name": "Seattle",
      "state": "Washington",
      "stateCode": "WA",
      "coordinates": {
        "latitude": 47.6062,
        "longitude": -122.3321
      },
      "census": [
        {
          "period": "2015-2019",
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          "medianHouseholdIncomeUsd": 92263,
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          "workFromHomePct": 7.4,
          "marginsOfError": {
            "medianHouseholdIncomeUsd": 1277,
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            "workFromHomePct": 0.3
          },
          "source": "US Census Bureau, ACS 5-year estimates",
          "geography": "Seattle city, Washington",
          "geoId": "5363000"
        },
        {
          "period": "2020-2024",
          "population": 754195,
          "medianHouseholdIncomeUsd": 123860,
          "medianGrossRentUsd": 2030,
          "rentBurdenedHouseholdsPct": 43.9,
          "meanCommuteMinutes": 26,
          "workFromHomePct": 34.8,
          "marginsOfError": {
            "medianHouseholdIncomeUsd": 2244,
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          },
          "source": "US Census Bureau, ACS 5-year estimates",
          "geography": "Seattle city, Washington",
          "geoId": "5363000"
        }
      ],
      "airQuality": {
        "status": "available",
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        "latest": {
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        "monthlyPm25UgM3": [
          {
            "month": "2026-05",
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          },
          {
            "month": "2026-06",
            "value": 7.1
          },
          {
            "month": "2026-07",
            "value": 8.8
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          {
            "month": "2026-08",
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          {
            "month": "2026-09",
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          {
            "month": "2026-10",
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    }
  ],
  "sources": {
    "census": "US Census Bureau, ACS 5-year estimates",
    "weather": "Synthetic prototype",
    "airQuality": "Synthetic prototype"
  }
}