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The highest natural ground surface temperature ever recorded may have been an alleged reading of 93.9 °C (201.0 °F) at Furnace Creek, California, United States, on 15 July 1972. [7] In 2011, a ground temperature of 84 °C (183.2 °F) was recorded in Port Sudan, Sudan. [8]
The temperatures soared to record highs in July with the hottest weather occurring from July 12 to July 16. The high of 106 °F (41 °C) on July 13 was the second warmest July temperature (warmest being 110 °F (43 °C) set on July 23, 1934) since records began at Chicago Midway International Airport in 1928. Nighttime low temperatures were ...
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 ...
An excessive heat warning remains in effect until 10 p.m. in northern Illinois, as the weather service warns of a heat index — what the temperature feels like when humidity is combined with air ...
Canada’s wildfire season this year is the worst on record, with around 29,000 square miles burning in eastern and western Canada, which is greater than the combined area that burned in 2016 ...
June 25, 1988: “Chicago’s official high temperature was a record (for June 25) 103 degrees at O’Hare International Airport at 3 p.m., and it was 2 degrees higher at Lake Michigan. By ...
The coldest temperature ever recorded in Chicago city limits is −27 °F (−33 °C) at O'Hare on January 20, 1985, [18] though unofficial temperatures as low as −3 °F (−19 °C) have been recorded at Chicago Aurora Airport in far western suburbs and in the rural areas to the west of Chicago. [43]
Since 1999, the EPA has used the air quality index (AQI) to communicate air pollution risk to the public, on a scale from 0 to 500, with six levels from Good to Hazardous. [10] (The previous version was the Pollutant Standards Index (PSI), which did not incorporate PM2.5 and ozone standards.)