Wheat stubble burning. Because of above-normal rainfall this season, the wheat developed more straw, and the fire hazard… https://www.rawpixel.com/image/12151496/image-plant-grass-artFree Image from public domain license
Chicago, Illinois. Union Station train concourse. Sourced from the Library of Congress. https://www.rawpixel.com/image/12290941/photo-image-people-smoke-airplaneFree Image from public domain license
Castel Mola (vicinity), Sicily. A mountain and sea view to be seen from the castle. One of the peacetime attractions visited… https://www.rawpixel.com/image/12296542/photo-image-plant-sky-smokeFree Image from public domain license
View of Radford, Virginia. Nearly every private house in the city has become a boardinghouse. Sourced from the Library of… https://www.rawpixel.com/image/12284619/photo-image-cloud-plant-skyFree Image from public domain license
[Untitled photo, possibly related to: Jones Laughlin steel company, on both sides of the river. Pittsburgh, Pennsylvania].… https://www.rawpixel.com/image/12285846/photo-image-cloud-person-skyFree Image from public domain license
[Untitled photo, possibly related to: Lower Manhattan seen from the S.S. Coamo leaving New York]. Sourced from the Library… https://www.rawpixel.com/image/12264208/photo-image-person-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: A freighter pulling into New York Harbor]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12264217/photo-image-person-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: View of Christiansted Harbor, St. Croix, Virgin Islands]. Sourced from the Library of… https://www.rawpixel.com/image/12264267/photo-image-frame-plant-skyFree Image from public domain license
[Untitled photo, possibly related to: The Bessemers "blooming" at the Jones and Laughlin Steel Company in Aliquippa… https://www.rawpixel.com/image/12262779/photo-image-sky-smoke-technologyFree Image from public domain license
[Untitled photo, possibly related to: Carnegie-Illinois steel company. Etna, Pennsylvania]. Sourced from the Library of… https://www.rawpixel.com/image/12285882/photo-image-cloud-sky-smokeFree Image from public domain license
Air pollution background https://www.rawpixel.com/image/11560054/air-pollution-backgroundView license
Skyline, midtown Manhattan, New York City. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270382/photo-image-sky-smoke-public-domainFree Image from public domain license
Chicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288509/photo-image-person-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: General view of mills in Lawrence, Massachusetts]. Sourced from the Library of… https://www.rawpixel.com/image/12278510/photo-image-cloud-person-skyFree Image from public domain license
[Untitled photo, possibly related to: Abandoned tile factory, Parke County, Indiana]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252610/photo-image-person-smoke-treeFree Image from public domain license
[Untitled photo, possibly related to: Railroad yards at Punxsutawney, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12275914/photo-image-cloud-plant-skyFree Image from public domain license
[Untitled photo, possibly related to: Chicago, Illinois. In the roundhouse at a Chicago and Northwestern Railroad yard].… https://www.rawpixel.com/image/12289935/photo-image-person-smoke-lightFree Image from public domain license
[Untitled photo, possibly related to: Washington, D.C. Lincoln Memorial]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295289/photo-image-person-moon-skyFree Image from public domain license
[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295536/photo-image-person-smoke-public-domainFree Image from public domain license
New York, New York. Skyline of midtown Manhattan. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270177/photo-image-sky-smoke-public-domainFree Image from public domain license
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[Untitled photo, possibly related to: Cases of beans, wholesale grocery, San Angelo, Texas] by Russell Lee https://www.rawpixel.com/image/12170434/image-background-art-vintageFree Image from public domain license
[Untitled photo, possibly related to: West Aliquippa, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283511/photo-image-sky-smoke-lightFree Image from public domain license
[Untitled photo, possibly related to: Jones Laughlin steel company. Pittsburgh, Pennsylvania]. Sourced from the Library of… https://www.rawpixel.com/image/12286095/photo-image-cloud-sky-smokeFree Image from public domain license
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[Untitled photo, possibly related to: Opening milk cans at the United Farmers Coop Creamery in East Berkshire, Vermont].… https://www.rawpixel.com/image/12262861/photo-image-plant-smoke-treeFree Image from public domain license
A section of West Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277784/photo-image-sky-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Houses in abandoned mining town with remains of coal tipple at right, Mohegan, West… https://www.rawpixel.com/image/12247935/photo-image-plant-smoke-treeFree Image from public domain license
[Untitled photo, possibly related to: Chicago, Illinois. In the roundhouse at a Chicago and Northwestern Railroad yard].… https://www.rawpixel.com/image/12289934/photo-image-smoke-light-roadFree Image from public domain license
[Untitled photo, possibly related to: Skyline, midtown Manhattan, New York City]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270334/photo-image-sky-smoke-public-domainFree Image from public domain license
On a foggy night in New Bedford, Massachusetts. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278743/photo-image-smoke-light-roadFree Image from public domain license
[Untitled photo, possibly related to: Carnegie-Illinois steel company. Etna, Pennsylvania]. Sourced from the Library of… https://www.rawpixel.com/image/12287115/photo-image-cloud-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Argentine, Kansas. Freight train about to leave the Atchison, Topeka, and Santa Fe… https://www.rawpixel.com/image/12291209/photo-image-person-smoke-lightFree Image from public domain license
[Untitled photo, possibly related to: New York, New York. Concourse at the Pennsylvania railroad station]. Sourced from the… https://www.rawpixel.com/image/12288565/photo-image-person-smoke-public-domainFree Image from public domain license
New York, New York. Skyline of midtown Manhattan. Sourced from the Library of Congress. https://www.rawpixel.com/image/12271223/photo-image-sky-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Charleston, West Virginia. Part of the Union Carbon and Carbide Chemicals Corporation… https://www.rawpixel.com/image/12248173/photo-image-plant-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Skyline, midtown Manhattan, New York City]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270983/photo-image-sky-smoke-public-domainFree Image from public domain license
Chicago, Illinois. In the roundhouse at a Chicago and Northwestern Railroad yard. Sourced from the Library of Congress. https://www.rawpixel.com/image/12290240/photo-image-person-smoke-lightFree Image from public domain license
Textile mill working all night, New Bedford, Mass.. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277798/photo-image-sky-smoke-lightFree Image from public domain license
New York, New York. Concourse at the Pennsylvania railroad station. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288705/photo-image-person-smoke-roadFree Image from public domain license
Topeka, Kansas. A general view of the smith shop of the Atchison, Topeka, and Santa Fe Railroad. Sourced from the Library of… https://www.rawpixel.com/image/12291226/photo-image-person-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Daniel Field, Georgia. Air Service Command. Men of a chemical unit demonstrating the… https://www.rawpixel.com/image/12296380/photo-image-person-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Dubuque, Iowa. The smoke comes from Dubuque's largest industry, the sash and door… https://www.rawpixel.com/image/12282546/photo-image-cloud-sky-smokeFree Image from public domain license
Jones Laughlin steel company. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12287301/photo-image-sky-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Pittsburgh, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283216/photo-image-sky-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: View taken from train en route to Forrest City, Arkansas from Memphis, Tennessee… https://www.rawpixel.com/image/12252239/photo-image-frame-plant-skyFree Image from public domain license
[Untitled photo, possibly related to: Washington, D.C. Government workers lunching near the Washington Monument]. Sourced… https://www.rawpixel.com/image/12289258/photo-image-plant-person-grassFree Image from public domain license
Chicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288551/photo-image-person-smoke-roadFree Image from public domain license
[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295786/photo-image-person-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Chicago, Illinois. An unusually heavy fog in the early afternoon]. Sourced from the… https://www.rawpixel.com/image/12290231/photo-image-person-smoke-lightFree Image from public domain license
[Untitled photo, possibly related to: Scene in west Aliquippa, Pennsylvania. Stacks of the Jones and Laughlin Steel… https://www.rawpixel.com/image/12277958/photo-image-background-person-smokeFree Image from public domain license
Coal barges on the river. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12287374/photo-image-cloud-sky-smokeFree Image from public domain license
New York, New York. Evening in Washington Square. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269625/photo-image-plant-person-skyFree Image from public domain license
New York, New York. Looking west at the Third Avenue elevated railway on 14th Street at 7 a.m.. Sourced from the Library of… https://www.rawpixel.com/image/12289635/photo-image-person-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Washington, D.C. Posing for a snapshot on the steps of the Jefferson Memorial].… https://www.rawpixel.com/image/12293796/photo-image-face-person-smokeFree Image from public domain license
Military training in high school. Omaha, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267948/photo-image-person-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Chicago, Illinois. Engines lined up at coaling station at an Illinois Central Railroad… https://www.rawpixel.com/image/12290536/photo-image-cloud-sky-smokeFree Image from public domain license
Freight yards into Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284650/photo-image-person-sky-smokeFree Image from public domain license
Blue smoke in black background https://www.rawpixel.com/image/3417904/free-illustration-image-aesthetic-backgroundView license
Snowstorm over the mountains in Socorro County, New Mexico. Snow in the mountains is an important source of water for the… https://www.rawpixel.com/image/12147982/image-cloud-art-skyFree Image from public domain license
[Untitled photo, possibly related to: Argentine, Kansas. Night view of the Atchison, Topeka, and Santa Fe Railroad shops and… https://www.rawpixel.com/image/12290297/photo-image-sky-smoke-lightFree Image from public domain license
The Bessemers "blooming" at the Jones and Laughlin Steel Company in Aliquippa, Pennsylvania. Sourced from the Library of… https://www.rawpixel.com/image/12262699/photo-image-sky-smoke-lightFree Image from public domain license
Chicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288516/photo-image-person-smoke-roadFree Image from public domain license
Pittsburgh, Pennsylvania. Jones and Laughlin steelworks. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285879/photo-image-plant-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Jones Laughlin steel company, on both sides of the river. Pittsburgh, Pennsylvania].… https://www.rawpixel.com/image/12287304/photo-image-cloud-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Long stairway in mill district of Pittsburgh, Pennsylvania]. Sourced from the Library… https://www.rawpixel.com/image/12277835/photo-image-person-sky-smokeFree Image from public domain license
Autos have to turn on lights to penetrate gloom of dust storm. Amarillo, Texas. Sourced from the Library of Congress. https://www.rawpixel.com/image/12265937/photo-image-plant-sky-smokeFree Image from public domain license
[Untitled photo, possibly related to: Parking lot. Chicago, Illinois]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259615/photo-image-sky-smoke-public-domainFree Image from public domain license
Houses and steel mill in Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277736/photo-image-sky-smoke-public-domainFree Image from public domain license
[Untitled photo, possibly related to: Supper at Marianna, Arkansas flood refugee camp]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12253314/photo-image-face-people-smokeFree Image from public domain license
[Untitled photo, possibly related to: Typhoid inoculation at Marianna, Arkansas]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12253253/photo-image-plant-people-skyFree Image from public domain license
The Pittsburgh Crucible Steel Company of Midland, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277995/photo-image-sky-smoke-mountainFree Image from public domain license