{
  "location": "Chicago, Illinois, United States",
  "timezone": "America/Chicago",
  "observationTime": "09:44 PM CDT on Tuesday, September 22, 2026",
  "retrievedAtUtc": "2026-09-23T02:44:52.620Z",
  "units": {
    "temperature": "fahrenheit",
    "windSpeed": "mph",
    "precipitation": "inch"
  },
  "forecast": {
    "latitude": 41.85271,
    "longitude": -87.65361,
    "generationtime_ms": 2.980351448059082,
    "utc_offset_seconds": -18000,
    "timezone": "America/Chicago",
    "timezone_abbreviation": "GMT-5",
    "elevation": 178,
    "current_units": {
      "time": "iso8601",
      "interval": "seconds",
      "temperature_2m": "°F",
      "relative_humidity_2m": "%",
      "apparent_temperature": "°F",
      "is_day": "",
      "precipitation": "inch",
      "rain": "inch",
      "snowfall": "inch",
      "weather_code": "wmo code",
      "cloud_cover": "%",
      "wind_speed_10m": "mp/h",
      "wind_direction_10m": "°",
      "wind_gusts_10m": "mp/h",
      "dew_point_2m": "°F"
    },
    "current": {
      "time": "2026-09-22T21:30",
      "interval": 900,
      "temperature_2m": 58.5,
      "relative_humidity_2m": 58,
      "apparent_temperature": 51.2,
      "is_day": 0,
      "precipitation": 0,
      "rain": 0,
      "snowfall": 0,
      "weather_code": 2,
      "cloud_cover": 53,
      "wind_speed_10m": 13.7,
      "wind_direction_10m": 75,
      "wind_gusts_10m": 22.4,
      "dew_point_2m": 43.8
    },
    "hourly_units": {
      "time": "iso8601",
      "temperature_2m": "°F",
      "precipitation_probability": "%",
      "precipitation": "inch",
      "weather_code": "wmo code",
      "wind_gusts_10m": "mp/h"
    },
    "hourly": {
      "time": [
        "2026-09-22T21:00",
        "2026-09-22T22:00",
        "2026-09-22T23:00",
        "2026-09-23T00:00",
        "2026-09-23T01:00",
        "2026-09-23T02:00",
        "2026-09-23T03:00",
        "2026-09-23T04:00",
        "2026-09-23T05:00",
        "2026-09-23T06:00",
        "2026-09-23T07:00",
        "2026-09-23T08:00",
        "2026-09-23T09:00",
        "2026-09-23T10:00",
        "2026-09-23T11:00",
        "2026-09-23T12:00",
        "2026-09-23T13:00",
        "2026-09-23T14:00",
        "2026-09-23T15:00",
        "2026-09-23T16:00",
        "2026-09-23T17:00",
        "2026-09-23T18:00",
        "2026-09-23T19:00",
        "2026-09-23T20:00",
        "2026-09-23T21:00",
        "2026-09-23T22:00",
        "2026-09-23T23:00",
        "2026-09-24T00:00",
        "2026-09-24T01:00",
        "2026-09-24T02:00",
        "2026-09-24T03:00",
        "2026-09-24T04:00",
        "2026-09-24T05:00",
        "2026-09-24T06:00",
        "2026-09-24T07:00",
        "2026-09-24T08:00",
        "2026-09-24T09:00",
        "2026-09-24T10:00",
        "2026-09-24T11:00",
        "2026-09-24T12:00",
        "2026-09-24T13:00",
        "2026-09-24T14:00",
        "2026-09-24T15:00",
        "2026-09-24T16:00",
        "2026-09-24T17:00",
        "2026-09-24T18:00",
        "2026-09-24T19:00",
        "2026-09-24T20:00"
      ],
      "temperature_2m": [
        58.4, 58.3, 58, 57.4, 57.6, 57.6, 57.6, 57.2, 57, 57.4, 57.5, 58.4,
        58.1, 60.2, 60.3, 60.2, 61.1, 62.6, 60.7, 60.9, 61.4, 62, 62.2, 62.4,
        61, 60.1, 59.3, 58.7, 58.3, 57.9, 57.2, 57, 56.6, 56.3, 56.2, 57.7, 59,
        59.1, 59.9, 60.8, 61.8, 62.9, 63.9, 64.3, 64.8, 64.2, 64.6, 65.6
      ],
      "precipitation_probability": [
        0, 1, 1, 0, 1, 4, 1, 2, 2, 2, 1, 1, 1, 0, 1, 0, 0, 1, 3, 1, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
      ],
      "precipitation": [
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.012, 0.004, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0
      ],
      "weather_code": [
        2, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 51, 51, 3, 3, 3, 3, 3, 3, 3, 3, 3,
        3, 2, 3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 3, 3, 3, 3,
        3
      ],
      "wind_gusts_10m": [
        21, 22.6, 28.2, 24.8, 24.2, 22.6, 23.3, 22.4, 21.3, 16.1, 18.6, 21,
        19.9, 18.1, 19.2, 20.1, 19.2, 20.6, 20.1, 21.9, 20.1, 20.4, 19.5, 19.2,
        19, 22.4, 25.5, 22.1, 21.9, 19, 17, 16.6, 17.2, 17.7, 18.6, 18.6, 19.5,
        17.2, 15.7, 15.7, 13, 12.5, 12.8, 11.4, 12, 10.7, 9.1, 6.9
      ]
    },
    "daily_units": {
      "time": "iso8601",
      "weather_code": "wmo code",
      "temperature_2m_max": "°F",
      "temperature_2m_min": "°F",
      "apparent_temperature_max": "°F",
      "apparent_temperature_min": "°F",
      "sunrise": "iso8601",
      "sunset": "iso8601",
      "precipitation_sum": "inch",
      "rain_sum": "inch",
      "snowfall_sum": "inch",
      "wind_speed_10m_max": "mp/h",
      "wind_gusts_10m_max": "mp/h"
    },
    "daily": {
      "time": [
        "2026-09-22",
        "2026-09-23",
        "2026-09-24",
        "2026-09-25",
        "2026-09-26",
        "2026-09-27",
        "2026-09-28"
      ],
      "weather_code": [3, 51, 3, 3, 3, 3, 2],
      "temperature_2m_max": [61.1, 62.6, 65.8, 67.4, 68.7, 67.7, 70],
      "temperature_2m_min": [54.4, 57, 56.2, 60.2, 58.4, 58.8, 57.5],
      "apparent_temperature_max": [56.8, 59.8, 66.5, 64, 65, 65.4, 67],
      "apparent_temperature_min": [49.2, 49.9, 51, 56.8, 56.6, 57.2, 57.5],
      "sunrise": [
        "2026-09-22T06:38",
        "2026-09-23T06:39",
        "2026-09-24T06:40",
        "2026-09-25T06:41",
        "2026-09-26T06:42",
        "2026-09-27T06:43",
        "2026-09-28T06:44"
      ],
      "sunset": [
        "2026-09-22T18:47",
        "2026-09-23T18:45",
        "2026-09-24T18:44",
        "2026-09-25T18:42",
        "2026-09-26T18:40",
        "2026-09-27T18:38",
        "2026-09-28T18:37"
      ],
      "precipitation_sum": [0, 0.016, 0, 0, 0, 0, 0],
      "rain_sum": [0, 0.016, 0, 0, 0, 0, 0],
      "snowfall_sum": [0, 0, 0, 0, 0, 0, 0],
      "wind_speed_10m_max": [18.1, 16.1, 13.7, 8.4, 8.1, 7, 7.7],
      "wind_gusts_10m_max": [28.2, 25.5, 22.1, 11.4, 11.2, 8.9, 12.5]
    }
  },
  "airQuality": {
    "latitude": 41.90001,
    "longitude": -87.7,
    "generationtime_ms": 0.2599954605102539,
    "utc_offset_seconds": -18000,
    "timezone": "America/Chicago",
    "timezone_abbreviation": "GMT-5",
    "elevation": 178,
    "current_units": {
      "time": "iso8601",
      "interval": "seconds",
      "european_aqi": "EAQI",
      "pm10": "μg/m³",
      "pm2_5": "μg/m³",
      "uv_index": ""
    },
    "current": {
      "time": "2026-09-22T21:00",
      "interval": 3600,
      "european_aqi": 28,
      "pm10": 4,
      "pm2_5": 3.7,
      "uv_index": 0
    }
  }
}