What are the costs and benefits of implementing stricter air pollution controls?

Air quality index. Green is good, yellow moderate, orange unhealthy for sensitive groups and red. Check the Air Quality Index (AQI) Apr 28, 2021 ... It measures the air quality in relation to your health on a scale from 1 to 10. The higher the number, the greater the health risk associated ... 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 ... Moderate — 51 to 100. Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. Air Quality Index ... LIVE CAM. Current northward view from Caltech Hall. Previous 7 day AQI Current day AQI Previous 7 day Temp Current day Temp. 00 06 12 18 ... What air pollution is reported by the AQI? AQI pollutants include fine particles, ground-level ozone, carbon monoxide, sulfur dioxide and nitrogen dioxide. Fine ... 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 ... air quality at AirNow.gov or during wildfire smoke at wasmoke.blogspot.com. (See Appendix A). Outside Air Quality Index (AQI): PM2.5. Activity. Duration. Good. 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. 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)?.