Fresno Bee Newsroom Blog

Bad air in Houston, Phoenix? Not compared to Valley

The phone conversation started with a question: Which city has worse ozone — Fresno or Bakersfield?

It’s a good question, but I told the reader that we have this conversation far too often around here. It’s like debating the difference between drowning in 15 feet of water and 17 feet of water.

Fresno? Bakersfield? They’re both among the worst in the country.

I think it’s more interesting to compare the Valley with cities outside of California that have a national reputation for dirty air — like Houston and Phoenix. The pollution in Fresno, Bakersfield and other Valley cities is far worse than in cities several times larger.

Look at 2012 violations of the federal eight-hour ozone standard. Phoenix has 1.46 million people, according to the U.S. Census, and the city recorded 30 violations. Houston with a population of 2.1 million had 35.

How many Valley locations had more violations? Clovis, Fresno, Parlier, Arvin, Bakersfield, Oildale, Edison, Porterville and, oddly enough, Sequoia and Kings Canyon National Parks.

In fact, Houston and Phoenix combined didn’t have as many as the Ash Mountain site in Sequoia National Park, which recorded 82 violations. Parlier with a population of about 15,000 in Fresno County had 60. In Southern California, Crestline in the San Bernardino Mountains led the nation with 88.

Back to Bakersfield and Fresno.

In Fresno with population of about a half million, there were 51 violations last year at one monitoring site. In Bakersfield, population 352,000, one monitor showed 56.

Compared to the rest of the country, the Valley is really in another universe. Fresno and Bakersfield are just part of a bigger picture here.

Responses

Sergio says:

I’d like to know if being a valley has to do with high pollution. I’m sure there are plenty more factories, vehicles sold, etc. in these bigger cities, but they are located in different geographic areas that may cause the pollution to disperse, rather than collect.

Mark Grossi says:

Great point. The San Joaquin Valley has a low tolerance for pollution because it is a bowl of often stagnant air. The Valley creates far less pollution than LA, but has just as many air-quality violations. For years, I’ve heard experts say there is no place like the Valley. I’ve heard others say it means more this place needs more money and stronger rules to achieve air quality.

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