[
 {
  "DateObserved": "2026-05-16",
  "HourObserved": 18,
  "LocalTimeZone": "EST",
  "ReportingArea": "Northern Virginia and DC",
  "StateCode": "DC",
  "Latitude": 38.919,
  "Longitude": -77.013,
  "ParameterName": "O3",
  "AQI": 71,
  "Category": {
   "Number": 2,
   "Name": "Moderate"
  }
 },
 {
  "DateObserved": "2026-05-16",
  "HourObserved": 18,
  "LocalTimeZone": "EST",
  "ReportingArea": "Northern Virginia and DC",
  "StateCode": "DC",
  "Latitude": 38.919,
  "Longitude": -77.013,
  "ParameterName": "PM2.5",
  "AQI": 37,
  "Category": {
   "Number": 1,
   "Name": "Good"
  }
 }
]