How accurate are these mobile apps?

Feb 1, 2025 ... European Air Quality Index 4+ · Official EU monitoring data · European Environment Agency · iPad Screenshots · Additional Screenshots. ... AQI: Check local air quality index levels and listen. Air Quality Guide for Particle Pollution. For the latest information on air quality and smoke near you: Sep 18, 2024 ... AQI values at or below 100 are considered satisfactory for almost everyone. When AQI values are above 100, air quality is unhealthy. The higher ... Addition of the Air Quality Index to asthma action plans led to improved asthma control by Asthma Control Test scores but may decrease outdoor activity. Readings below 100 on the AQI should not affect health of the general public, though readings in the moderate range of 50 to 100 may affect unusually sensitive ... The Air Quality Index (AQI) reports daily air quality to tell you how clean your air is and what associated health concerns you should be aware of. ... quality of life for all Valley residents through effective and cooperative air quality programs ... Air Quality Index for fine particulate matter (PM2.5). Read ... No health impacts are expected when air quality is in this range. Green. Moderate, 51-100, Unusually sensitive people should consider limiting prolonged outdoor ... This algorithm converts raw PM 2.5 readings into an air quality index (AQI) value that can help inform health-related decisions. The index is calculated based ... Sep 27, 2023 ... How do I read the AQI? The scale is split into six categories, each with a color and a number corresponding to the amount of pollution in the ...