PM10 24 Hour Average (µg/m3)

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

08/07 08/08 08/09 08/10 08/11 08/12 08/13

San Joaquin

Stockton-University 11 19 22 16 19 25 21

Manteca 17 23 23 22 22 25 21

Tracy-Airport 18 38 54 33

Stanislaus

Modesto-14th 20 20 23 18

Turlock 20 25 27 23 26 29 25

Merced

Merced-M St. 23 31 37 34 35 38 33

Merced-Coffee

Madera

Madera-City 25 36 46 43 44 47 38

Madera

Fresno

Fresno-SSP

Clovis 22 29 38 37 40 38 30

Fresno-Garland 27 38 44 46 43 35

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 26 41 47 49 53 49 38

Parlier

Tranquillity

Huron

Kings

Hanford 30 49 58 56 60 59 57

Corcoran 34 60 69 68 65 70 60

Tulare

Visalia-Ashland 29 46 48 55 53 63 54

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale 37 58 59 70 79 67 46

Bakersfield-Gold 40 61 65 73 88 77 61

Bakersfield-Calif 32 52 52 58 67 60 48

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 40
61
69
73
88
77
61

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum Federal 2015 8-Hr Ozone 44
Federal 1997 24-hr PM2.5 0

Federal 2008 8-Hr Ozone 29
Federal 24-hr PM10 0

O3-1hr (ppb) 98
Federal 1997 8-Hr Ozone 1
State 1-Hr Ozone 1

O3-8hr (ppb) 87
Federal 1-Hr Ozone 0
State 1997 8-Hr Ozone 44

PM 10 (µg/m³) 152
Federal 2006 24-hr PM2.5 26
State 24-hr PM10 122

PM 2.5 (µg/m³) 53.9
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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Sunday, August 14, 2022 Page 1 of 1