World Air Quality - OpenAQ
OpenAQ has collected 231,965,688 air quality measurements from 8,469 locations in 65 countries. Data are aggregated from 105 government level and research-grade sources. https://medium.com/@openaq/where-does-openaq-data-come-from-a5cf9f3a5c85 Note: this dataset is temporary not updated. We're cur...
Trust score
How is this computed?Weighted across five axes. Tap a ring for what it measures.
Data schema (10 fields)
Click a field to see example values.
| Field | Type | Description |
|---|---|---|
| countryCountry Code | text | — |
| city | text | — |
| location | text | — |
| coordinates | geo_point_2d | — |
| measurements_parameterPollutant | text | — |
| measurements_sourcenameSource Name | text | — |
| measurements_unitUnit | text | — |
| measurements_valueValue | double | — |
| measurements_lastupdatedLast Updated | datetime | — |
| country_name_enCountry Label | text | — |
Schema captured from opendatasoft 3 hours ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (5 records)
Record 1city: 新北市 · country: TW
{
"city": "新北市",
"country": "TW",
"location": "Cailiao",
"coordinates": {
"lat": 25.06895,
"lon": 121.481028
},
"country_name_en": "Taiwan, China",
"measurements_unit": "ppm",
"measurements_value": 0.0033,
"measurements_parameter": "SO2",
"measurements_sourcename": "Taiwan",
"measurements_lastupdated": "2021-05-17T05:00:00+00:00"
}Record 2city: 臺北市 · country: TW
{
"city": "臺北市",
"country": "TW",
"location": "Guting",
"coordinates": {
"lat": 25.020608,
"lon": 121.529556
},
"country_name_en": "Taiwan, China",
"measurements_unit": "ppm",
"measurements_value": 0.0114,
"measurements_parameter": "NO2",
"measurements_sourcename": "Taiwan",
"measurements_lastupdated": "2021-05-17T05:00:00+00:00"
}Record 3city: 新北市 · country: TW
{
"city": "新北市",
"country": "TW",
"location": "Sanchong",
"coordinates": {
"lat": 25.072611,
"lon": 121.493806
},
"country_name_en": "Taiwan, China",
"measurements_unit": "µg/m³",
"measurements_value": 14,
"measurements_parameter": "PM2.5",
"measurements_sourcename": "Taiwan",
"measurements_lastupdated": "2021-05-17T05:00:00+00:00"
}Record 4city: 桃園市 · country: TW
{
"city": "桃園市",
"country": "TW",
"location": "Pingzhen",
"coordinates": {
"lat": 24.954208,
"lon": 121.204981
},
"country_name_en": "Taiwan, China",
"measurements_unit": "ppm",
"measurements_value": 0.0391,
"measurements_parameter": "O3",
"measurements_sourcename": "Taiwan",
"measurements_lastupdated": "2021-05-17T05:00:00+00:00"
}Record 5city: 苗栗縣 · country: TW
{
"city": "苗栗縣",
"country": "TW",
"location": "Miaoli",
"coordinates": {
"lat": 24.565269,
"lon": 120.8202
},
"country_name_en": "Taiwan, China",
"measurements_unit": "ppm",
"measurements_value": 0.0279,
"measurements_parameter": "O3",
"measurements_sourcename": "Taiwan",
"measurements_lastupdated": "2021-05-17T05:00:00+00:00"
}Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Configuration
- Base URL
- https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets/openaq
License
- ✓ Redistributable
- ✓ Attribution required
Query examples
curl -s 'https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets/openaq/records?limit=20' -H 'Accept: application/json'First 20 records of the dataset as JSON.
Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.
Rate limits
Dataset
Volume & freshness
License
No license declared upstream.
Source: opendatasoft
Machine-readable & source
Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.