Post by Mount Sinai Health System

Name: With Canadian wildfire smoke pushing AQI into the "Unhealthy" range across NY, it's a good moment to
Uploaded: 2026-07-16T17:28:25.011Z
Channel: Mount Sinai Health System
Description: With Canadian wildfire smoke pushing AQI into the "Unhealthy" range across NY, it's a good moment to explain what that AQI number you keep seeing actually means. The air quality index (AQI) is calcula

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With Canadian wildfire smoke pushing AQI into the "Unhealthy" range across NY, it's a good moment to explain what that AQI number you keep seeing actually means. The air quality index (AQI) is calculated from pollutants like ground-level ozone and fine particulate matter (PM2.5), and tells you how much risk the air poses over the next few hours or days. Learn more about wildfire smoke and outdoor air quality via the link in our comments. #AirQuality #WildfireSmoke #AQI #AirQualityIndex

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