WebApr 10, 2024 · Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time.The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air … WebApr 4, 2024 · The WHO air quality database compiles data on ground measurements of annual mean concentrations of nitrogen dioxide (NO 2), particulate matter of a diameter equal or smaller than 10 μm (PM 10) or equal or smaller than 2.5 μm (PM 2.5) which aim at representing an average for the city or town as a whole, rather than for individual …
Shehong Township, Sichuan, China Air Quality Index
WebThe China AQI standard is less strict than the US standard for PM2.5 concentrations within 150 ug/m3, but gives the same AQI value (200 and above) when the PM 2.5 … WebApr 4, 2024 · Keep track of the most polluted cities in the world with our air quality index (AQI) ranking. Air Quality . Community . Air Purifiers Face Masks. For Business . News . Support . Login. ... China : 122 : 1.7M : 9: Astana, Kazakhstan : 119 : 4 : 10: Mexico City, Mexico : 117 : 346.2K : 11: Shanghai, China ... Best indoor and outdoor air quality ... tarrant county medical examiner staff
Beijing Air Quality Index (AQI) and China Air Pollution IQAir
WebJun 30, 2024 · ABSTRACT The effects of eighteen precipitation (rain and snow) events in both Jinan and Qingdao cities in Shandong Province, China, on the air quality and dry deposition flux in PCDD/Fs were investigated. A total of fifteen precipitation events were positive for AQI reductions. In these events, the AQI ranged between 29 and 195 and … WebMar 27, 2014 · The AQI incorporates into a single index concentrations of 5 pollutants: particulate matter (PM2.5 and PM10), ozone (O3), carbon monoxide (CO), sulfur dioxide (SO2), and nitrogen dioxide (NO2) measured over different time periods. The AQI is equal to the highest of the numbers corresponding to each pollutant. WebRealtime broadcasting air quality information for more than 180 countries. - Show air quality information for your current location. - Show pollen data & forecast for United States and Europe. - Air quality standard switching … tarrant county mega search deed