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www.epa.gov | ||
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www.airnow.gov
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| | | | | Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality. | |
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airqualitynews.com
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| | | | | Leicester Clean Air Zone (CAZ) scrapped following 'significant improvements' to air quality. In October 2018, the authority was one of 58 directed by the government to carry out feasibility studies for measures that cut nitrogen dioxide (NO2) 'in the shortest possible time,' which included a requirement to consider a CAZ. | |
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english.elpais.com
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| | | | | 90 percent of the continent's urban population is breathing harmful air Experts are calling on Brussels to toughen environmental legislation | |
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usaweatheroutlook.wordpress.com
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| | | Global Sea Surface Temperature anomalies made a downtick in April, a decrease of about -0.03 deg C. Surface temperature anomalies declined in both hemispheres. | ||
