155 air quality index

Are you at risk? Do you know what to do? An air quality alert like this informs the public about pollution levels in the air and advises vulnerable groups—such as the elderly, 155 air quality index, and people with lung disease—to take precautions. The U.

An air quality index AQI is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. Children, the elderly and individuals with respiratory or cardiovascular problems are typically the first groups affected by poor air quality. When the AQI is high, governmental bodies generally encourage people to reduce physical activity outdoors, or even avoid going out altogether. When wildfires result in a high AQI, the use of a mask such as an N95 respirator outdoors and an air purifier incorporating both HEPA and activated carbon filters indoors are also encouraged. Different countries have their own air quality indices , corresponding to different national air quality standards.

155 air quality index

Once connected, your real time air pollution levels are instantaneously available in on our maps. The station comes together with meter water-proof power cables, a power supply, mounting equipment and an optional solar panel. North America. South America. Middle East. South Korea. Check out the real-time air pollution map, for more than countries. Looking for another city? Enter a city name. Please wait while querying your location Previously visited stations:. Measure the air quality in your neighborhood. Participate with your own air quality monitoring station.

Archived from the original on 22 June In some areas, the quality is worse during the colder first months of the year, but this is due to local topography and therefore cannot be generalised.

Ever hear your local weather forecast say that tomorrow will be a "code orange" day for air pollution? That's the Air Quality Index at work. The AQI tracks ozone smog and particle pollution tiny particles from smoke, power plants and factories, vehicle exhaust, and other sources , as well as four other widespread air pollutants. Newspapers, radio, television, and websites report AQI levels year-round. Keeping track of the current air quality information in your area can help you take steps to protect yourself, children, and others from unhealthy levels of air pollution. Air pollution can harm anyone, but it can be especially dangerous for many people, including children and teens, people with asthma and other lung diseases, anyone over 65, people who have diabetes or cardiovascular disease or who are pregnant.

What does the AQI mean? The scale goes from 0 to It can be dangerous for people with lung conditions like asthma or COPD at lower levels. The daily AQI measures air pollution from ozone, particle matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. This number tells you if your air quality is good, moderate, unhealthy, or bad. AQI numbers start at 0 and can go up to The higher the number, the worse the air pollution. AQI numbers rarely go above in the United States.

155 air quality index

AirNow will reflect the updates when they become effective -- 60 days after the rule is published in the Federal Register. Read about the AQI updates. Every day the Air Quality Index AQI tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern. Local air quality affects how you live and breathe. Like the weather, it can change from day to day or even hour to hour. Ground-level ozone and airborne particles are the two pollutants that pose the greatest threat to human health in this country. Millions of people live in areas where air pollution can cause serious health problems.

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These groups should reduce their exertion outdoors. All raw air quality data and information has been obtained from Plume Labs. How to best protect from air pollution? The EPA's table of breakpoints is: [44] [45] [46] [47] [48]. Archived from the original on 21 August Carbon Monoxide is a colorless and odorless gas and when inhaled at high levels can cause headache, nausea, dizziness, and vomiting. Plovdiv, Plovdiv. Repeated long-term exposure can lead to heart disease. Therefore, Bulgarian installations use a larger amount of poor quality fuel, which in turn leads to the release of large amounts of harmful substances such as sulphur dioxide and ash. C Fensterstock et al. Embassies and Consulates Canada Mexico. Reduce or reschedule strenuous activities outdoors, especially if you experience symptoms such as coughing and throat irritation. Urban heat island. Retrieved Use Current Location.

AirNow will reflect the updates when they become effective -- 60 days after the rule is published in the Federal Register.

The coal used is very often cheap and of a very poor quality. A smoggy sunrise in Brussels, Belgium. Read more. ISSN History Pollutants Heavy metals Paint. Chemical warfare Herbicidal warfare Agent Orange Nuclear holocaust Nuclear fallout - nuclear famine - nuclear winter Scorched earth Unexploded ordnance War and environmental law. About the Air Quality and Pollution Measurement:. Every year Bulgarian cities rank among the leading places with the most polluted air in Europe. In , thermal power plants were the main sources of emissions of sulphur dioxide and nitrogen oxides NO x which accounted for 73 per cent and 30 per cent of all emissions, respectively. The index is defined in both hourly and daily versions, and separately near roads a "roadside" or "traffic" index or away from roads a "background" index. 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 Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data. Join over , people who receive the latest news about lung health, including research, lung disease, air quality, quitting tobacco, inspiring stories and more! For example, in Chile, where air pollution is much worse than in Toronto, enforceable measures such as closing factories and prohibiting biomass burning on alert days resulted in 20 percent less air pollution and prevented 20 deaths per million people per day. Active 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. A level that may have harmful impacts on patients and members of sensitive groups children, aged or weak people , and also cause the general public unpleasant feelings.