[
  {
    "model": "app.monitor",
    "pk": 1,
    "fields": {
      "serial_no": "AQM-1b0151",
      "placement": "school gate",
      "mount_height_m": "3.7",
      "city": "Leeds",
      "latitude": "53.793561",
      "longitude": "-1.568647",
      "installed_at": "2024-06-20T12:13:32Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 2,
    "fields": {
      "serial_no": "AQM-36d3f1",
      "placement": "urban background",
      "mount_height_m": "2.4",
      "city": "Bristol",
      "latitude": "51.457600",
      "longitude": "-2.624049",
      "installed_at": "2024-04-19T12:04:04Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 3,
    "fields": {
      "serial_no": "AQM-88df1e",
      "placement": "school gate",
      "mount_height_m": "4.4",
      "city": "Manchester",
      "latitude": "53.432397",
      "longitude": "-2.191287",
      "installed_at": "2023-05-30T17:31:04Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 4,
    "fields": {
      "serial_no": "AQM-c573d6",
      "placement": "park",
      "mount_height_m": "2.5",
      "city": "Birmingham",
      "latitude": "52.467773",
      "longitude": "-1.893555",
      "installed_at": "2023-07-18T15:41:57Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 5,
    "fields": {
      "serial_no": "AQM-8efeed",
      "placement": "roadside",
      "mount_height_m": "3.8",
      "city": "London",
      "latitude": "51.548343",
      "longitude": "-0.197299",
      "installed_at": "2023-04-19T10:09:27Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 6,
    "fields": {
      "serial_no": "AQM-947da3",
      "placement": "park",
      "mount_height_m": "2.4",
      "city": "London",
      "latitude": "51.520728",
      "longitude": "-0.108869",
      "installed_at": "2024-10-03T20:18:14Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 7,
    "fields": {
      "serial_no": "AQM-c3e6e3",
      "placement": "roadside",
      "mount_height_m": "3.0",
      "city": "London",
      "latitude": "51.469791",
      "longitude": "-0.151190",
      "installed_at": "2024-02-02T08:48:54Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 8,
    "fields": {
      "serial_no": "AQM-bebf88",
      "placement": "roadside",
      "mount_height_m": "2.5",
      "city": "Glasgow",
      "latitude": "55.859926",
      "longitude": "-4.295919",
      "installed_at": "2024-04-05T14:32:02Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 9,
    "fields": {
      "serial_no": "AQM-152c5b",
      "placement": "industrial edge",
      "mount_height_m": "3.5",
      "city": "Cardiff",
      "latitude": "51.530299",
      "longitude": "-3.209047",
      "installed_at": "2024-07-02T13:08:13Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 10,
    "fields": {
      "serial_no": "AQM-df82ce",
      "placement": "roadside",
      "mount_height_m": "3.9",
      "city": "Sheffield",
      "latitude": "53.354367",
      "longitude": "-1.471105",
      "installed_at": "2024-02-10T16:51:30Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 11,
    "fields": {
      "serial_no": "AQM-2d62cb",
      "placement": "roadside",
      "mount_height_m": "3.1",
      "city": "London",
      "latitude": "51.502479",
      "longitude": "-0.092300",
      "installed_at": "2024-06-23T10:13:16Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 12,
    "fields": {
      "serial_no": "AQM-808894",
      "placement": "urban background",
      "mount_height_m": "4.3",
      "city": "Manchester",
      "latitude": "53.439415",
      "longitude": "-2.203548",
      "installed_at": "2023-04-05T08:15:57Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 13,
    "fields": {
      "serial_no": "AQM-687d52",
      "placement": "park",
      "mount_height_m": "3.6",
      "city": "Leeds",
      "latitude": "53.771582",
      "longitude": "-1.595492",
      "installed_at": "2024-10-13T16:27:21Z"
    }
  },
  {
    "model": "app.monitor",
    "pk": 14,
    "fields": {
      "serial_no": "AQM-e400a4",
      "placement": "urban background",
      "mount_height_m": "3.0",
      "city": "Sheffield",
      "latitude": "53.333105",
      "longitude": "-1.539818",
      "installed_at": "2023-07-18T09:29:22Z"
    }
  },
  {
    "model": "app.calibration",
    "pk": 1,
    "fields": {
      "monitor": 14,
      "calibrated_at": "2023-12-12T13:16:18Z",
      "technician": "Eladio Friesen",
      "pm25_offset": "1.7",
      "co2_offset_ppm": 21,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 2,
    "fields": {
      "monitor": 7,
      "calibrated_at": "2024-08-22T10:28:27Z",
      "technician": "Kale Hane",
      "pm25_offset": "-0.3",
      "co2_offset_ppm": 24,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 3,
    "fields": {
      "monitor": 5,
      "calibrated_at": "2024-04-08T08:21:28Z",
      "technician": "Joanna Fritsch PhD",
      "pm25_offset": "-0.9",
      "co2_offset_ppm": 14,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 4,
    "fields": {
      "monitor": 13,
      "calibrated_at": "2025-10-22T13:12:08Z",
      "technician": "Rick Dickinson",
      "pm25_offset": "-1.5",
      "co2_offset_ppm": -21,
      "result": "adjusted"
    }
  },
  {
    "model": "app.calibration",
    "pk": 5,
    "fields": {
      "monitor": 3,
      "calibrated_at": "2023-08-03T15:33:24Z",
      "technician": "Asia Jakubowski",
      "pm25_offset": "0.5",
      "co2_offset_ppm": -20,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 6,
    "fields": {
      "monitor": 13,
      "calibrated_at": "2024-11-18T12:31:13Z",
      "technician": "Linnea Marks",
      "pm25_offset": "-1.1",
      "co2_offset_ppm": 4,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 7,
    "fields": {
      "monitor": 12,
      "calibrated_at": "2023-10-06T06:42:26Z",
      "technician": "Tamara Runolfsson",
      "pm25_offset": "1.4",
      "co2_offset_ppm": -9,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 8,
    "fields": {
      "monitor": 9,
      "calibrated_at": "2024-08-24T08:06:26Z",
      "technician": "Elton Johnston",
      "pm25_offset": "-0.9",
      "co2_offset_ppm": -20,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 9,
    "fields": {
      "monitor": 8,
      "calibrated_at": "2024-11-14T10:33:48Z",
      "technician": "Mr. Laron Feest",
      "pm25_offset": "-2.2",
      "co2_offset_ppm": 9,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 10,
    "fields": {
      "monitor": 11,
      "calibrated_at": "2024-12-13T18:11:22Z",
      "technician": "Kendall Mohr",
      "pm25_offset": "-2.1",
      "co2_offset_ppm": -13,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 11,
    "fields": {
      "monitor": 2,
      "calibrated_at": "2024-11-21T09:02:52Z",
      "technician": "Arvid Cremin",
      "pm25_offset": "1.1",
      "co2_offset_ppm": -1,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 12,
    "fields": {
      "monitor": 14,
      "calibrated_at": "2024-04-10T11:39:28Z",
      "technician": "Dariana Cummings-Rohan",
      "pm25_offset": "-1.6",
      "co2_offset_ppm": -4,
      "result": "adjusted"
    }
  },
  {
    "model": "app.calibration",
    "pk": 13,
    "fields": {
      "monitor": 12,
      "calibrated_at": "2024-04-29T15:22:52Z",
      "technician": "Mr. Scot Schaden PhD",
      "pm25_offset": "1.9",
      "co2_offset_ppm": -13,
      "result": "adjusted"
    }
  },
  {
    "model": "app.calibration",
    "pk": 14,
    "fields": {
      "monitor": 4,
      "calibrated_at": "2023-10-14T11:51:27Z",
      "technician": "Felix Nolan DDS",
      "pm25_offset": "2.4",
      "co2_offset_ppm": -2,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 15,
    "fields": {
      "monitor": 9,
      "calibrated_at": "2024-09-18T11:00:49Z",
      "technician": "Lena Hahn",
      "pm25_offset": "-0.3",
      "co2_offset_ppm": -23,
      "result": "adjusted"
    }
  },
  {
    "model": "app.calibration",
    "pk": 16,
    "fields": {
      "monitor": 6,
      "calibrated_at": "2025-02-03T11:57:18Z",
      "technician": "Margarete Bashirian",
      "pm25_offset": "0.1",
      "co2_offset_ppm": -1,
      "result": "adjusted"
    }
  },
  {
    "model": "app.calibration",
    "pk": 17,
    "fields": {
      "monitor": 11,
      "calibrated_at": "2024-09-01T17:10:33Z",
      "technician": "Rowland Nader",
      "pm25_offset": "2.2",
      "co2_offset_ppm": -1,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 18,
    "fields": {
      "monitor": 14,
      "calibrated_at": "2024-03-24T18:59:45Z",
      "technician": "Ava Kunze V",
      "pm25_offset": "1.0",
      "co2_offset_ppm": -11,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 19,
    "fields": {
      "monitor": 6,
      "calibrated_at": "2025-08-09T14:58:23Z",
      "technician": "Angelita Ebert DDS",
      "pm25_offset": "0.5",
      "co2_offset_ppm": -13,
      "result": "adjusted"
    }
  },
  {
    "model": "app.calibration",
    "pk": 20,
    "fields": {
      "monitor": 3,
      "calibrated_at": "2024-05-01T08:47:23Z",
      "technician": "Bryana Boehm",
      "pm25_offset": "-2.3",
      "co2_offset_ppm": -8,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 21,
    "fields": {
      "monitor": 7,
      "calibrated_at": "2024-06-21T09:37:48Z",
      "technician": "Buster Lockman",
      "pm25_offset": "-0.8",
      "co2_offset_ppm": 11,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 22,
    "fields": {
      "monitor": 1,
      "calibrated_at": "2024-12-13T09:28:41Z",
      "technician": "Skylar Hansen",
      "pm25_offset": "-1.9",
      "co2_offset_ppm": 12,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 23,
    "fields": {
      "monitor": 9,
      "calibrated_at": "2024-07-18T15:12:15Z",
      "technician": "Amelie Hyatt",
      "pm25_offset": "0.5",
      "co2_offset_ppm": -9,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.calibration",
    "pk": 24,
    "fields": {
      "monitor": 10,
      "calibrated_at": "2024-06-02T09:10:36Z",
      "technician": "Jayda Armstrong DDS",
      "pm25_offset": "0.1",
      "co2_offset_ppm": 13,
      "result": "within tolerance"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 1,
    "fields": {
      "monitor": 10,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "15.6",
      "pm10_ugm3": "21.1",
      "co2_ppm": "430",
      "humidity_pct": "78.9",
      "temperature_c": "5.9"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 2,
    "fields": {
      "monitor": 5,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "16.2",
      "pm10_ugm3": "17.8",
      "co2_ppm": "442",
      "humidity_pct": "76.6",
      "temperature_c": "4.6"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 3,
    "fields": {
      "monitor": 3,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "11.2",
      "pm10_ugm3": "25.4",
      "co2_ppm": "424",
      "humidity_pct": "79.0",
      "temperature_c": "4.6"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 4,
    "fields": {
      "monitor": 14,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "13.0",
      "pm10_ugm3": "15.5",
      "co2_ppm": "441",
      "humidity_pct": "79.8",
      "temperature_c": "5.0"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 5,
    "fields": {
      "monitor": 2,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "7.7",
      "pm10_ugm3": "22.0",
      "co2_ppm": "436",
      "humidity_pct": "80.2",
      "temperature_c": "5.2"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 6,
    "fields": {
      "monitor": 12,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "14.2",
      "pm10_ugm3": "19.2",
      "co2_ppm": "435",
      "humidity_pct": "77.6",
      "temperature_c": "3.9"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 7,
    "fields": {
      "monitor": 9,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "9.3",
      "pm10_ugm3": "26.3",
      "co2_ppm": "433",
      "humidity_pct": "78.5",
      "temperature_c": "4.5"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 8,
    "fields": {
      "monitor": 14,
      "hour_start": "2025-01-14T01:00:00Z",
      "pm25_ugm3": "12.8",
      "pm10_ugm3": "20.1",
      "co2_ppm": "432",
      "humidity_pct": "75.1",
      "temperature_c": "4.6"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 9,
    "fields": {
      "monitor": 13,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "14.2",
      "pm10_ugm3": "20.4",
      "co2_ppm": null,
      "humidity_pct": "74.1",
      "temperature_c": "4.9"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 10,
    "fields": {
      "monitor": 3,
      "hour_start": "2025-01-14T01:00:00Z",
      "pm25_ugm3": "13.3",
      "pm10_ugm3": "20.4",
      "co2_ppm": "432",
      "humidity_pct": "79.6",
      "temperature_c": "3.7"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 11,
    "fields": {
      "monitor": 5,
      "hour_start": "2025-01-14T01:00:00Z",
      "pm25_ugm3": "10.4",
      "pm10_ugm3": "28.5",
      "co2_ppm": "435",
      "humidity_pct": "79.2",
      "temperature_c": "3.8"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 12,
    "fields": {
      "monitor": 3,
      "hour_start": "2025-01-14T02:00:00Z",
      "pm25_ugm3": "15.8",
      "pm10_ugm3": "27.3",
      "co2_ppm": "453",
      "humidity_pct": "84.0",
      "temperature_c": "3.1"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 13,
    "fields": {
      "monitor": 1,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "11.8",
      "pm10_ugm3": "29.2",
      "co2_ppm": null,
      "humidity_pct": "77.2",
      "temperature_c": "4.4"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 14,
    "fields": {
      "monitor": 3,
      "hour_start": "2025-01-14T03:00:00Z",
      "pm25_ugm3": "15.9",
      "pm10_ugm3": "17.1",
      "co2_ppm": "449",
      "humidity_pct": "89.5",
      "temperature_c": "3.3"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 15,
    "fields": {
      "monitor": 13,
      "hour_start": "2025-01-14T01:00:00Z",
      "pm25_ugm3": "16.2",
      "pm10_ugm3": "26.9",
      "co2_ppm": "427",
      "humidity_pct": "78.6",
      "temperature_c": "2.6"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 16,
    "fields": {
      "monitor": 7,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "12.5",
      "pm10_ugm3": "17.5",
      "co2_ppm": "429",
      "humidity_pct": "78.9",
      "temperature_c": "4.1"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 17,
    "fields": {
      "monitor": 6,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "9.3",
      "pm10_ugm3": "21.6",
      "co2_ppm": "431",
      "humidity_pct": "77.5",
      "temperature_c": "5.0"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 18,
    "fields": {
      "monitor": 12,
      "hour_start": "2025-01-14T01:00:00Z",
      "pm25_ugm3": "11.0",
      "pm10_ugm3": "22.2",
      "co2_ppm": "453",
      "humidity_pct": "79.6",
      "temperature_c": "3.2"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 19,
    "fields": {
      "monitor": 11,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "17.4",
      "pm10_ugm3": "20.7",
      "co2_ppm": "450",
      "humidity_pct": "81.0",
      "temperature_c": "5.0"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 20,
    "fields": {
      "monitor": 5,
      "hour_start": "2025-01-14T02:00:00Z",
      "pm25_ugm3": "9.6",
      "pm10_ugm3": "26.3",
      "co2_ppm": "434",
      "humidity_pct": "80.6",
      "temperature_c": "3.5"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 21,
    "fields": {
      "monitor": 5,
      "hour_start": "2025-01-14T03:00:00Z",
      "pm25_ugm3": "12.8",
      "pm10_ugm3": "26.6",
      "co2_ppm": "442",
      "humidity_pct": "87.7",
      "temperature_c": "3.2"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 22,
    "fields": {
      "monitor": 10,
      "hour_start": "2025-01-14T01:00:00Z",
      "pm25_ugm3": "16.9",
      "pm10_ugm3": "20.0",
      "co2_ppm": "432",
      "humidity_pct": "80.7",
      "temperature_c": "4.7"
    }
  },
  {
    "model": "app.hourlyreading",
    "pk": 23,
    "fields": {
      "monitor": 8,
      "hour_start": "2025-01-14T00:00:00Z",
      "pm25_ugm3": "9.8",
      "pm10_ugm3": "13.0",
      "co2_ppm": "436",
      "humidity_pct": "79.5",
      "temperature_c": "5.2"
    }
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      "hour_start": "2025-01-15T22:00:00Z",
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      "hour_start": "2025-01-15T23:00:00Z",
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]