Carbon Monoxide Eight-Hour Max (PPM)

The information in this report is based on preliminary data and is subject to change. The

real-time PM10/PM2.5 monitoring equipment is used for air quality forecasting and trend

analysis.

05/14

05/15

05/16

05/17

05/18

05/19

05/20

San Joaquin

Stockton-Hazelton

0

0

0

0

0

0

0

Manteca

Tracy-Airport

Stanislaus

Modesto-14th

Turlock

1

1

1

1

1

1

Merced

Merced-Coffee

Madera

Madera

Madera-City

Fresno

Clovis

0

0

0

0

0

0

0

Fresno-Drummond

0

0

0

0

0

0

Fresno-Garland

0

0

0

0

0

Fresno-SSP

0

0

0

0

0

0

0

Huron

Parlier

Tranquillity

Kings

Corcoran

Hanford

Tulare

Ash Mountain-SNP

Lower Kaweah-SNP

Porterville

Visalia, Church

Kern

Arvin-DiGiorgio

Bakersfield-Calif

Edison

Lebec

Maricopa

Oildale

Shafter

District Maximum

1

1

1

1

1

0

1

Maximum Measured

Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant

Maximum

PM10 Federal 24-hr

0

Federal 1-Hr Ozone

0

O3-1hr (ppb)

101

PM10 State 24-hr

51

State 1-Hr Ozone

4

O3-8hr (ppb)

89

PM2.5 Federal 2006 24-hr

26

Federal 2008 8-Hr Ozone

13

PM 10 (µg/m³)

131

PM2.5 Federal 1997 24-hr

3

Federal 1997 8-Hr Ozone

3

PM 2.5 (µg/m³)

86

State 1997 8-Hr Ozone

18

¹Some of the days over the standards shown above may be the result of “Natural Events” such as extreme wind episodes, or

“Exceptional Events” such as wildfires and would not count as violations of the federal standard.

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Monday, May 21, 2012

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