Web- Yellow: AQI 51 -100 Moderate Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. - Orange: AQI 101 … WebThe U.S. EPA has developed a formula to convert PM 2.5 readings into an air quality index (AQI) value that can help inform health-related decisions. For example, an AQI value of 50 represents good air quality with little potential to affect public health, while an AQI value over 300 represents hazardous air quality.

Beijing Air Quality Index (AQI) and China Air Pollution IQAir

http://www.stateair.net/web/post/1/1.html WebAt present, there are 36 stations in and around Beijing. Towards the end of the second quarter of 2024, Beijing was going through a period of air quality classified as being “Unhealthy for sensitive groups” with a US AQI reading of 114. The levels of all six pollutants can be seen, but the main one was PM2.5 with a level of 41 µg/m³. nelson demille first wife

US Embassy in Beijing Air Quality Index (AQI) and Beijing Air …

WebThroughout 2024, Beijing had just two months when the air quality was classified as “Moderate” with readings between 12.1 and 35.4 µg/m³. The remaining ten months showed readings of 35.5 to 55.4 µg/m³ which categorised it as “Unhealthy for Sensitive Groups”, according to The WHO. WebThe city of Beijing was ranked at 201. Throughout 2024, Beijing had just two months when the air quality was classified as “Moderate” with readings between 12.1 and 35.4 µg/m³. … WebCovering 10,000+ locations from a global network of government monitoring stations and AirVisual’s own validated sensors. Features: + Historical, Real-time, and Forecast Air Pollution Data: detailed figures on key pollutants … nelson demille books newest first