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However, visibility is often reduced somewhat by air pollution and high humidity. Various weather stations report this as haze (dry) or mist (moist). Fog and smoke can reduce visibility to near zero, making driving extremely dangerous. The same can happen in a sandstorm in and near desert areas, or with forest fires.
Visibility was reduced to a few metres, with one visitor stating that it was "like you were blind", [25] rendering driving difficult or at times impossible. [5] Public transport ceased, apart from the London Underground, and the ambulance service stopped, forcing individuals to transport themselves to hospitals. The smog was so dense that it ...
Driving conditions became extremely hazardous in the smog, with visibility reduced in some places to zero. [3] The level of smoke in London's atmosphere during the event was two and a half times higher than for an average winter day of that time, and the level of sulphur dioxide was seven times higher. [3]
Visibility levels on the East Side of El Paso have plummeted to 4 miles due to thick smoke originating from wildfires in the Texas Panhandle vicinity.
The Federal Aviation Administration instituted a ground delay program for Newark and LaGuardia Airports as wildfire smoke reduces visibility near NYC.
According to the National Weather Service, "super fog" occurs when smoke and moisture from damp materials mix with cooler air, drastically reducing visibility – sometimes to less than 10 feet.
Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [ 1 ] to refer to smoky fog due to its opacity, and odor. [ 2 ]
Smoke can obscure visibility, impeding occupant exiting from fire areas. In fact, the poor visibility due to the smoke that was in the Worcester Cold Storage Warehouse fire in Worcester, Massachusetts was the reason why the trapped rescue firefighters could not evacuate the building in time. Because of the striking similarity that each floor ...