How effective are these regulations?

Condition details and past AQI data. The MPCA's Air Quality Index tool displays the reported AQI for fine particulates (PM2.5) and ozone at monitors located ... The Air Quality Index is based on measurement of particulate matter (PM2.5 and PM10), Ozone (O3), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2) and Carbon ... 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 ... Daily Air Quality Index (DAQI) · 1-3 (Low) · 4-6 (Moderate) · 7-9 (High) · 10 (Very High). ​​DEQ has updated its Air Quality Index to better serve the public and put more data at users' fingertips. The color-coded tool categorizes air quality at more ... Feb 1, 2025 ... European Air Quality Index 4+ · Official EU monitoring data · European Environment Agency · iPad Screenshots · Additional Screenshots. The Air Quality Index (AQI) for pollutants including ozone and particulate matter (PM) · Current pollutant concentrations (including carbon monoxide. Get informed and learn how to protect yourself from wildland fire smoke. Learn More. Frequently Asked Questions#. What is the U.S. Air Quality Index(AQI)?. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good ... An air quality index (AQI) is an indicator developed by government agencies to communicate to the public how polluted the air currently is or how polluted it is ...