Ozone Eight-Hour Maximum (PPB)

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

11/30 12/01 12/02 12/03 12/04 12/05 12/06

San Joaquin

Stockton-University 21 17 14 24 25 20

Manteca

Tracy-Airport 29 30 25 13 21 31

Stanislaus

Modesto-14th 31 27 26 21 29 28

Turlock 31 27 23 23 34 32 24

Merced

Merced-M St.

Merced-Coffee 32 32 24 30 36 34 28

Madera

Madera-City 32 31 35 26

Madera 33 29 29 23 33 31 25

Fresno

Fresno-SSP 30 30 28 23 32 34 23

Clovis 31 30 26 22 29 32 22

Fresno-Garland 28 27 21 30 32 22

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 28 25 26 19 27 30 21

Parlier 34 29 28 18 29 30 25

Tranquillity 31 27 30 22 30 30 29

Huron

Kings

Hanford 29 30 18 28 30 24

Corcoran

Tulare

Visalia-Ashland 34 28 31 15 31 25 30

Porterville 35 30 29 10 32 25 31

Ash Mountain-SNP 38 30 28 32 31 27

Lower Kaweah-SNP

Kern

Shafter 33 30 30 16 29 29 33

Oildale 36 33 24 34 35 36

Bakersfield-Gold

Bakersfield-Calif 26 24 24 13 24 25 27

Bakersfield-Muni 29 29 30 11 27 24 28

Edison 34 32 15 30 25

Arvin-DiGiorgio 35 33 33 12 29 30 33

Maricopa 37 38 34 33 30 34 35

Lebec

District Maximum 38
38
34
33
36
35
36

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum Federal 2015 8-Hr Ozone 77
Federal 1997 24-hr PM2.5 0

Federal 2008 8-Hr Ozone 54
Federal 24-hr PM10 0

O3-1hr (ppb) 106
Federal 1997 8-Hr Ozone 7
State 1-Hr Ozone 16

O3-8hr (ppb) 91
Federal 1-Hr Ozone 0
State 1997 8-Hr Ozone 77

PM 10 (µg/m³) 152
Federal 2006 24-hr PM2.5 40
State 24-hr PM10 216

PM 2.5 (µg/m³) 62.9
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.
Make one change for clean air! Visit www.healthyairliving.com and become a part of the solution!
Wednesday, December 7, 2022 Page 1 of 1