Just to put our air pollution problem into perspective -- In 2016, Las Vegas had 145 days of elevated ozone, while Los Angeles had 138 days. The AQI for sulfur dioxide is based on the peak one-hour measurement since midnight. In nearby Salem, Trout's pulmonologist Martin Johnson said people with existing respiratory issues started showing up at his hospital or calling his office almost immediately after the smoke arrived, many struggling to breathe. Some particles, such as dust, dirt, soot, or smoke, are large or dark enough to be seen with the naked eye. Their message is that climate change isn't going to bring worse conditions: they are already here. Hundreds of miles to the south in San Francisco, smoke turned day into night, casting an eerie orange pall over a city where even before the pandemic facemasks had become common at times to protect against smoke. Las Vegas Valley Water District The Las Vegas Valley Water District is a not-for-profit water utility. Salem is in Marion county, which experienced eight days of pollution at hazardous levels during a short period, some of the worst conditions seen the West over the past two decades, according to AP’s analysis. A north-northeast wind flow should improve Las Vegas sky conditions starting Thursday, Oct. 15, 2020. There is a secondary NAAQS based on a 24-hour average of sulfur dioxide sampled from midnight to midnight, but this NAAQS has such a high starting point that is is never expected to be reached. In general, higher levels of ozone usually occur on sunny days with light winds, primarily from March through October. This image is updated hourly. Two weeks later, when smoke from fires in California drifted into the valley, she had an even more violent reaction that Trout described as a near-death experience. The following table shows the various breakpoints used in calculating the AQI. A confluence of meteorological events made the smoke especially bad this year: first, fierce winds up and down the coast whipped fires into a fury, followed in Oregon by a weather inversion that trapped smoke close to the ground and made it inescapable for days. SANTA CRUZ, Calif. — Wildfires churning out dense plumes of smoke as they scorch huge swaths of the U.S. West Coast have exposed millions of people to hazardous pollution levels, causing emergency room visits to spike and potentially thousands of deaths among the elderly and infirm, according to an Associated Press analysis of pollution data and interviews with physicians, health authorities and researchers. In the image above, each monitoring area is represented by a small box which is color coded to match the AQI rating for the day (see Interpreting the AQI). Climate experts say residents of the West Coast and Northern Rockies should brace for more frequent major smoke events, as warming temperatures and drought fuel bigger, more intense fires. PLEASE NOTE: Data in this image is collected from DAQ air monitoring sites, local agencies, and private monitoring networks. Late July. The number of ozone alert days is used as an indicator of air quality, as are the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide, lead, and volatile organic chemicals. Particle pollution includes. Get in touch with the LVCVA Research Center, and we can help provide you with reliable facts and insights to help gain a deeper understanding of Las Vegas tourism. At the bottom of each box is a small legend that indicates which pollutants are actively measured in that area. All times shown are in local standard time unless otherwise indicated. Theyre totally down with it. There are three sulfur dioxide standards which include a 24-hour average, an annual average, and a three-hour average. Boulder City Areas With Best Drinking Water. Figures for 2017 and 2018 are preliminary. The Sheep Range to the north of Las Vegas is … Trout had sheltered inside as soon as smoke rolled into the valley just after Labor Day but within days had an asthma attack that left her gasping for air and landed her in the ER. View the Las Vegas, NV air quality data on our Environmental Data tables and learn more about overpopulation stats and ecological footprints. On any given day, western fires can produce 10 times more particles than are produced by all other pollution sources including vehicle emissions and industrial facilities, said Shawn Urbanski, a U.S. Forest Service smoke scientist. The eight-hour standard can be exceeded during winter months when very stable atmospheric conditions exist. A California heat wave on Thursday prompted warnings of extreme fire danger and some precautionary powerline shutdowns. Additional information about the AQI and how it can be used is available from the EPA's AirNow web site. Las Vegas Population Statistics. Analytics built by: Location, Inc. Some particles, such as dust, dirt, soot, or smoke, are large or dark enough to be seen with the naked eye. Smoke at concentrations that topped the government's charts for health risks and lasted at least a day enshrouded counties inhabited by more than 8 million people across five states in recent weeks, AP’s analysis shows.
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