| domain | aqicn.org |
| summary | The World Air Quality Index Project provides a global air quality index based on data from numerous sources, including:
* Citizen Weather Observer Program CWOP/APRS * Monitoring centers in Beijing, Shanghai, Guangzhou, Chengdu, Hong Kong, Nanjing, Shenzhen, Tianjin, and other locations. * Real-time publishing platforms. * U.S. Consulate air quality monitors.
The project utilizes data for pollutants like PM2.5, PM10, NO2, SO2, CO, O3, and weather information. It employs a GeoLite2 database and credits the EPA for its work. The website offers an API, historical data platform, and FAQs. It was last generated on February 3rd, 2026. It supports multiple languages and temperature units. |
| title | Beijing Air Pollution: Real-time Air Quality Index |
| description | Beijing Air Pollution: Real-time Air Quality Index |
| keywords | quality, beijing, data, pollution, time, index, more, health, real, protection, store, monitoring, information, widget, file, exertion, children |
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| nslookup | A 172.105.192.79 |
| created | 2025-11-10 |
| updated | 2026-02-02 |
| summarized | 2026-02-03 |
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