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Don’t sweat over a heat wave

Air quality still remains low for SCV

Posted: July 12, 2008 1:04 a.m.
Updated: September 12, 2008 5:04 a.m.

The projected heat never quite came to fruition this week, and it’s expected to stay that way through the weekend.

Today, Sunday and Monday, Santa Clarita Valley residents should expect daytime highs in the upper 80s to mid 90s, said Bonnie Bartling, a weather specialist at the National Weather Service’s Oxnard office.

Overnight lows will hang in the mid 60s with some cloud cover and a 20 percent chance of rain, Bartling said.

By the middle of next week, Bartling said daytime highs may climb a little higher, but overall the temperatures are pretty much in line for this time of the year.

When it comes to the air, Friday was yet another day of air quality classified as “unhealthy for sensitive individuals,” according to the South Coast Air Quality Management District.

Strong sunlight, strong temperature inversions and stagnant air conditions create a “perfect recipe,” for ground level ozone, according to Sam Atwood, spokesman for the management district.

While it’s possible the poor air quality could be influenced by wildfires raging north of the Santa Clarita Valley, he said this is fairly typical for this time of year.

He recommended that residents pay attention to air quality forecasts, and that those with heart and lung conditions should especially minimize strenuous outdoor activity. Friday’s air quality index in Santa Clarita Valley was 136, Atwood said — a drop from Wednesday’s AQI of 154. An index rating of 114 was forecast for today.

The AQI is used by the management district to forecast air quality. Areas with AQIs of 201 or more are designated “very unhealthy.”


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