Californian cities rank among the dirtiest in America, with ten cities in the Golden State tying for the worst median air quality in the U.S., according to the lawn care website known as LawnStarter. San Bernardino was…

Reporting· Aug 27, 2025

Facts from Wikidata (CC0).

Interstate 5 in California

section of Interstate Highway in California, United States

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IInterstate 5 in California· Reporting · 1 source · Aug 27, 2025Story

California Cities Rank Among Dirtiest In America Despite Gavin Newsom’s Green Energy Largesse

Reporting· Aug 27, 2025

Facts from Wikidata (CC0).

Interstate 5 in California across IJR

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About Interstate 5 in California

Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, running largely parallel to the Pacific Coast between the Mexican border and the Canadian border. The segment of I-5 in California runs across the length of the state from the Mexican border at the San Ysidro Port of Entry in the San Ysidro neighborhood of San Diego to the Oregon state line south of the Medford-Ashland metropolitan area. It is the longest interstate in California at 796.77 miles (1,282.28 km), and accounts for more than half of I-5's total length of 1,381.29 miles (2,222.97 km). It is also the second longest stretch of Interstate Highway with a single designation within a single state after I-10 in Texas.

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Country: United States
Inception: July 1, 1964

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Interstate 5 in California across IJR

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