See the Activity Guides to learn ways to protect your health when the AQI reaches unhealthy levels. Health warning of emergency conditions: everyone is more likely to be affected. Health alert: The risk of health effects is increased for everyone. Some members of the general public may experience health effects members of sensitive groups may experience more serious health effects. The general public is less likely to be affected. Members of sensitive groups may experience health effects. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. This United States Air Quality Index number is calculated using the levels of six of the most prolific air pollutants, namely. During the middle part of 2021, Walla Walla was going through a period of Unhealthy air with a US AQI reading of 163. AQI Basics for Ozone and Particle Pollution Daily AQI ColorĪir quality is satisfactory, and air pollution poses little or no risk.Īir quality is acceptable. It is in the southeastern region of Washington, around a four-hour drive from Portland, Oregon. The color makes it easy for people to quickly determine whether air quality is reaching unhealthy levels in their communities. The PurpleAir system is composed of many sensors that. Customize your Today View with a wide range of widgets. PurpleAir is a community system of PM (10, 2.5, 1.0) low-cost sensors measuring particulate matter. View any public sensor, indoor or out doors, on an interactive map, and enable AirNow stations for additional information. Each category corresponds to a different level of health concern. Paku is the best app for checking air quality, on the go or at home Paku uses PurpleAir to show you hyperlocal, real-time air quality, temperature and humidity. Results suggest that the PurpleAir raw PM2.5 data overestimate PM2.5 by 60 in most states under various conditions. When AQI values are above 100, air quality is unhealthy: at first for certain sensitive groups of people, then for everyone as AQI values get higher. Our indoor and outdoor air quality sensors are easy to install and connect seamlessly to your WIFI network. AQI values at or below 100 are generally thought of as satisfactory. PurpleAirs industry-leading sensors measure particle pollution (PM2.5) and are priced at a fraction of what you pay for a commercial sensor. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.įor each pollutant an AQI value of 100 generally corresponds to an ambient air concentration that equals the level of the short-term national ambient air quality standard for protection of public health. The higher the AQI value, the greater the level of air pollution and the greater the health concern. Think of the AQI as a yardstick that runs from 0 to 500. AQI is EPA’s index for reporting air quality. To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.įor very useful health advices of Beijing Doctor Richard Saint Cyr MD, check blog.Versión en Español What is the U.S. Hong Kong / Canada (Air Quality Health Index) - Historic air quality graph for Truckee HOURLY DAILY Created with Highcharts 6.2.Health alert: everyone may experience more serious health effectsĮveryone should avoid all outdoor exertionįor more information about the pollutants included in the AQI scale, please refer to:įor more information about AQI scales from other countries, please refer to: The entire population is more likely to be affected.Īctive children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion everyone else, especially children, should limit outdoor exertion. Posted in Air Quality New, Community Projects, PurpleAir. Read about the new data download tool and API dashboard. With over 22,000 air quality monitors around the world, PurpleAir realized that it’s time for an upgrade. The general public is not likely to be affected.Įveryone may begin to experience health effects members of sensitive groups may experience more serious health effectsĪctive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion everyone else, especially children, should limit prolonged outdoor exertion PurpleAir’s New API Dashboard & Data Download Tool Release. Air quality is considered satisfactory, and air pollution poses little or no riskĪir 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.Īctive children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
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