Air Quality Reader vs Air Quality Index使用状況と統計

See real-time air quality index (AQI) readings from PurpleAir sensors around the world. Widgets enable you to get a map of real-time AQI readings directly on your home screen. The Air Quality Index (AQI) tells you how clean or polluted your air is and what associated health effects might be a concern for you. This app displays AQI readings from PurpleAir, a collection of air quality sensors run by enthusiasts and air quality professionals around the world.

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Air Quality Index

Air Quality Index displays 48 hour Near Surface and Vertically Integrated Smoke prediction maps using data provided by NOAA's National Centers for Environmental Prediction. Forecast maps are available for the Continental United States. The maps also optionally display AQI readings from the EPA's AirNow data service.