PM25 24 Hour Average (µg/m3)

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.

07/09 07/10 07/11 07/12 07/13 07/14 07/15

San Joaquin

Stockton-Hazelton 8 7 9 8 8 6 7

Manteca 5 6 6 7 7 5 5

Tracy-Airport 6 5 9 9 10 6 7

Stanislaus

Modesto-14th 5 5 6 7 6 5 5

Turlock 7 9 10 9 9 8 7

Merced

Merced-Coffee 7 7 8 8 8 8 8

Madera

Madera-City 8 7 9 10 8 9 8

Madera

Fresno

Fresno-SSP

Clovis 8 9 9 10 8 9 7

Fresno-Garland 8 9 9 11 10 10 8

Fresno-Drummond

Parlier

Tranquillity 4 6 7 8 9 9 7

Huron 6 8 6 8 10 11 8

Kings

Hanford 9 8 9 9 10 10 8

Corcoran 9 10 8 11 11 11 10

Tulare

Visalia, Church 13 12 10 12 11 11 11

Porterville 17 15 17 14 16 16 16

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

Bakersfield-Calif 6 8 9 8 8 10 10

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec 6 9 9 7 11 10 12

District Maximum 17
15
17
14
16
16
16

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum

PM10 Federal 24-hr 2
Federal 1-Hr Ozone 0

O3-1hr (ppb) 109
PM10 State 24-hr 84
State 1-Hr Ozone 9

O3-8hr (ppb) 90
PM2.5 Federal 2006 24-hr 16
Federal 2008 8-Hr Ozone 21

PM 10 (µg/m³) 178
PM2.5 Federal 1997 24-hr 4
Federal 1997 8-Hr Ozone 1

PM 2.5 (µg/m³) 103
State 1997 8-Hr Ozone 41
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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Monday, July 16, 2018 Page 1 of 1