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.

09/19 09/20 09/21 09/22 09/23 09/24 09/25

San Joaquin

Stockton-Hazelton 0 0 0 0 0 0 0

Manteca

Tracy-Airport

Stanislaus

Modesto-14th 0 0 0 0 0 0 0

Turlock

Merced

Merced-Coffee

Madera

Madera-City

Madera

Fresno

Fresno-SSP

Clovis 0 0 0 0 1 0 0

Fresno-Garland 0 0 0 0 1 0 1

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford

Corcoran

Tulare

Visalia, Church

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

Bakersfield-Calif

Bakersfield-Muni 0 0 0 0 0 0 0

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 0
0
0
0
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) 113
PM10 State 24-hr 122
State 1-Hr Ozone 39

O3-8hr (ppb) 99
PM2.5 Federal 2006 24-hr 8
Federal 2008 8-Hr Ozone 78

PM 10 (µg/m³) 133
PM2.5 Federal 1997 24-hr 0
Federal 1997 8-Hr Ozone 25

PM 2.5 (µg/m³) 51
State 1997 8-Hr Ozone 105
¹Data affected by smoke, high winds, fireworks, and etc. and which exceeded a federal standard are denoted with
an ‘x’ in the table above. Values marked with an ‘x’ are not included in the tallies above.
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Tuesday, September 26, 2017 Page 1 of 1