← Geo & Weather

Air Quality Forecast

GET /airquality/forecast

Get a 3-day hourly air quality forecast for any location, including predicted PM2.5, PM10, ozone, and AQI levels. Useful for planning outdoor activities, warning vulnerable populations about upcoming poor air quality days, and building proactive health notification systems. Data from Open-Meteo forecast models.

Parameters

lat required

Latitude

lon required

Longitude

Example Requests

Basic usage
curl "https://nordapi.ee/api/v1/airquality/forecast?lat=59.9&lon=10.7"
Air quality forecast for Oslo
curl "https://nordapi.ee/api/v1/airquality/forecast?lat=59.9&lon=10.7"
Air quality forecast for Delhi
curl "https://nordapi.ee/api/v1/airquality/forecast?lat=28.61&lon=77.21"
Air quality forecast for London
curl "https://nordapi.ee/api/v1/airquality/forecast?lat=51.51&lon=-0.13"

Live Response

{
  "data": {
    "elevation": 0.0,
    "generationtime_ms": 0.5778074264526367,
    "hourly": {
      "european_aqi": [
        29,
        27,
        26,
        24,
        23,
        23,
        26,
        30,
        31,
        30,
        29,
        28,
        31,
        33,
        33,
        33,
        33,
        32,
        31,
        30,
        28,
        26,
        24,
        21,
        20,
        20,
        21,
        22,
        20,
        20,
        22,
        25,
        26,
        29,
        31,
        32,
        32,
        32,
        31,
        31,
        30,
        30,
        30,
        29,
        26,
        24,
        23,
        23,
        23,
        23,
        22,
        24,
        23,
        26,
        26,
        27,
        28,
        30,
        31,
        32,
        34,
        34,
        33,
        33,
        34,
        35,
        34,
        31,
        24,
        22,
        20,
        18
      ],
      "pm10": [
        9.7,
        10.8,
        11.5,
        11.8,
        10.6,
        8.7,
        5.4,
        3.8,
        3.6,
        4.0,
        4.7,
        4.6,
        3.8,
        3.7,
        3.7,
        4.1,
        4.6,
        4.4,
        4.6,
        6.0,
        6.9,
        8.1,
        9.8,
        10.7,
        10.9,
        9.2,
        7.6,
        6.4,
        6.0,
        6.9,
        6.3,
        6.0,
        5.4,
        5.7,
        5.7,
        5.3,
        5.4,
        6.0,
        6.5,
        7.0,
        7.4,
        7.0,
        6.2,
        6.4,
        6.8,
        7.6,
        7.2,
        6.1,
        5.1,
        4.6,
        4.4,
        4.3,
        4.7,
        5.4,
        5.1,
        4.5,
        4.6,
        4.6,
        4.8,
        4.9,
        5.2,
        5.3,
        6.1,
        6.3,
        7.3,
        7.9,
        9.1,
        9.8,
        10.8,
        13.5,
        14.0,
        12.6
      ],
      "pm2_5": [
        5.8,
        5.9,
        6.7,
        8.2,
        8.6,
        7.5,
        4.4,
        2.6,
        2.2,
        2.2,
        2.2,
        2.2,
        2.2,
        2.2,
        2.3,
        2.6,
        2.9,
        3.1,
        3.4,
        4.4,
        5.1,
        6.4,
        7.0,
        7.3,
        7.3,
        6.2,
        5.2,
        4.8,
        4.6,
        4.9,
        5.1,
        4.1,
        3.7,
        3.1,
        2.9,
        3.3,
        3.5,
        4.0,
        4.1,
        4.9,
        4.8,
        4.3,
        4.8,
        4.7,
        5.0,
        5.7,
        5.0,
        3.9,
        3.4,
        3.6,
        3.4,
        3.4,
        3.3,
        3.6,
        3.3,
        2.5,
        2.6,
        2.6,
        2.8,
        3.0,
        3.4,
        3.7,
        4.0,
        4.1,
        4.5,
        4.7,
        5.4,
        5.9,
        7.2,
        9.9,
        10.9,
        8.8
      ],
      "time": [
        "2026-05-10T00:00",
        "2026-05-10T01:00",
        "2026-05-10T02:00",
        "2026-05-10T03:00",
        "2026-05-10T04:00",
        "2026-05-10T05:00",
        "2026-05-10T06:00",
        "2026-05-10T07:00",
        "2026-05-10T08:00",
        "2026-05-10T09:00",
        "2026-05-10T10:00",
        "2026-05-10T11:00",
        "2026-05-10T12:00",
        "2026-05-10T13:00",
        "2026-05-10T14:00",
        "2026-05-10T15:00",
        "2026-05-10T16:00",
        "2026-05-10T17:00",
        "2026-05-10T18:00",
        "2026-05-10T19:00",
        "2026-05-10T20:00",
        "2026-05-10T21:00",
        "2026-05-10T22:00",
        "2026-05-10T23:00",
        "2026-05-11T00:00",
        "2026-05-11T01:00",
        "2026-05-11T02:00",
        "2026-05-11T03:00",
        "2026-05-11T04:00",
        "2026-05-11T05:00",
        "2026-05-11T06:00",
        "2026-05-11T07:00",
        "2026-05-11T08:00",
        "2026-05-11T09:00",
        "2026-05-11T10:00",
        "2026-05-11T11:00",
        "2026-05-11T12:00",
        "2026-05-11T13:00",
        "2026-05-11T14:00",
        "2026-05-11T15:00",
        "2026-05-11T16:00",
        "2026-05-11T17:00",
        "2026-05-11T18:00",
        "2026-05-11T19:00",
        "2026-05-11T20:00",
        "2026-05-11T21:00",
        "2026-05-11T22:00",
        "2026-05-11T23:00",
        "2026-05-12T00:00",
        "2026-05-12T01:00",
        "2026-05-12T02:00",
        "2026-05-12T03:00",
        "2026-05-12T04:00",
        "2026-05-12T05:00",
        "2026-05-12T06:00",
        "2026-05-12T07:00",
        "2026-05-12T08:00",
        "2026-05-12T09:00",
        "2026-05-12T10:00",
        "2026-05-12T11:00",
        "2026-05-12T12:00",
        "2026-05-12T13:00",
        "2026-05-12T14:00",
        "2026-05-12T15:00",
        "2026-05-12T16:00",
        "2026-05-12T17:00",
        "2026-05-12T18:00",
        "2026-05-12T19:00",
        "2026-05-12T20:00",
        "2026-05-12T21:00",
        "2026-05-12T22:00",
        "2026-05-12T23:00"
      ],
      "us_aqi": [
        44,
        42,
        40,
        38,
        35,
        33,
        31,
        30,
        30,
        30,
        31,
        31,
        32,
        33,
        34,
        35,
        36,
        36,
        37,
        37,
        37,
        37,
        36,
        34,
        33,
        31,
        29,
        27,
        26,
        25,
        24,
        24,
        25,
        26,
        27,
        28,
        30,
        31,
        33,
        34,
        35,
        36,
        36,
        36,
        35,
        35,
        33,
        32,
        31,
        30,
        29,
        28,
        27,
        27,
        27,
        27,
        28,
        29,
        30,
        31,
        32,
        34,
        35,
        36,
        37,
        38,
        39,
        39,
        39,
        38,
        36,
        34
      ]
    },
    "hourly_units": {
      "european_aqi": "EAQI",
      "pm10": "μg/m³",
      "pm2_5": "μg/m³",
      "time": "iso8601",
      "us_aqi": "USAQI"
    },
    "latitude": 59.9,
    "longitude": 10.700001,
    "timezone": "GMT",
    "timezone_abbreviation": "GMT",
    "utc_offset_seconds": 0
  },
  "success": true
}