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C/2024 L5 (ATLAS) is a comet that was discovered on 14 June 2024 as A117uUD by the Asteroid Terrestrial-impact Last Alert System (ATLAS), South Africa, Sutherland.It will reach perihelion on 10 March 2025 at 3.432 AU (513.4 million km) from the Sun. [4] [5]
C/2024 G3 (ATLAS) is a partially disintegrated non-periodic comet, which reached perihelion on 13 January 2025, at a distance of 0.09 AU (13 million km) from the Sun. Dubbed the Great Comet of 2025 , it is currently the brightest comet of 2025, [ 6 ] with an apparent magnitude reaching −3.8 on the day of its perihelion. [ 5 ]
The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...
The EPA says that in this range, air quality is acceptable, but there may be a health risk for some people, such as folks who are "unusually sensitive to air pollution." When the index is between ...
At perihelion, Earth is roughly 91.4 million miles away from the sun. On average, the planet is separated from the sun by a distance of approximately 93 million miles.
The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...
Spring 2025 will kick off with a more expansive and severe drought in parts of the Plains and West than one year ago. As the comparison map below shows, the highest levels of drought as of mid ...
Air quality exceeding safety standards in 38 districts in Bangkok, with districts categorized as yellow and orange zones. [16] On 27 January, air quality slightly improved, with none of Bangkok's districts labeled as red. [17] Governor Chadchart Sittipunt attributed the improvement to strong winds. [17] On 28 January, air quality continued to ...