WebSeattle PM2.5 pollution is often attributed to the large concentration of industrial facilities and seafaring ships in South Park and Georgetown. 4 It may come as a surprise that a majority of emissions, instead, originate from the city’s motor vehicles. Heavy duty trucks and other diesel engines are especially culpable. WebSO2 1 5 - 25 7.8 [3 ppb] PM10 1 5 - - - PM2.5 0.3 1.2 - - - NO2 1 - - - 7.5 [4 ppb] CO - - 500 - 2000 Please note that the 1-hour SO2 and NO2 SILs are based on interim EPA guidance. 4. MODELING REQUIREMENTS If proposed annual emissions from a new facility or proposed annual emission increases from an existing
Wildfire Smoke Is Erasing Progress on Clean Air
WebJun 1, 2024 · PM2.5 Data Omitted from Air Trends Assessment EPA has identified data quality issues affecting PM 2.5 monitoring data in some states. This data is not included … WebJul 18, 2024 · Massachusetts’ average falls below the Environmental Protection Agency’s safety threshold of 12 micrograms per cubic meter of PM2.5 pollution but above the … good names for imvu
An argument for a regulatory approach to transportation …
WebAverage daily density of fine particulate matter in micrograms per cubic meter (PM2.5). The 2024 County Health Rankings used data from 2024 for this measure. The relationship between elevated air pollution (especially fine particulate matter and ozone) and compromised health has been well documented. [1,2] Negative consequences of … WebMany other major metropolitan areas have higher average levels of PM2.5 pollution than Boston, the researchers note, meaning that residents of those cities may face even … WebOct 13, 2024 · This plot provides ozone and PM 2.5 data from AirNow for recent days that are not available from AQS. AQS data, as it becomes available, replaces any AirNow … good names for horse stables