PM10 24 Hour Average (µg/m3)

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

06/19 06/20 06/21 06/22 06/23 06/24 06/25

San Joaquin

Stockton-University 10 46 30 18 18

Manteca 11 22 32 67 37 34 26

Tracy-Airport 11 19 28 51 44 44 32

Stanislaus

Modesto-14th 20 27 35 68 41 30 29

Turlock 16 26 29 79 37 29 24

Merced

Merced-M St. 18 27 38 73 41 34 23

Merced-Coffee

Madera

Madera-City 18 31 100 84 31 36 25

Madera

Fresno

Fresno-SSP

Clovis 13 28 39 87 38 43 27

Fresno-Garland 16 24 37 94 39 42 29

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 19 37 55 152 48 51 37

Parlier

Tranquillity

Huron

Kings

Hanford 19 34 58 111 48 36 31

Corcoran 25 40 59 50 50 46 38

Tulare

Visalia-Ashland 20 35 61 45 36 45 39

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale 24 39 65 36 36 35

Bakersfield-Gold 33 55 84 44 41 48 42

Bakersfield-Calif 21 46 59 48 36 39 34

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 33
55
100
152
50
51
42

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum Federal 2015 8-Hr Ozone 15
Federal 1997 24-hr PM2.5 0

Federal 2008 8-Hr Ozone 9
Federal 24-hr PM10 0

O3-1hr (ppb) 94
Federal 1997 8-Hr Ozone 0
State 1-Hr Ozone 0

O3-8hr (ppb) 83
Federal 1-Hr Ozone 0
State 1997 8-Hr Ozone 15

PM 10 (µg/m³) 152
Federal 2006 24-hr PM2.5 26
State 24-hr PM10 87

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, June 26, 2022 Page 1 of 1