Daily Report

PM10 24 Hour Average (µg/m³)

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

06/26 06/27 06/28 06/29 06/30 07/01 07/02

San Joaquin

Stockton-University 30 10 16 23 22 28 26

Manteca 20 11 13 21 29 27 30

Tracy-Airport 14 6 16 21 25 28 34

Stanislaus

Modesto-14th 19 8 14 18 25 27 31

Turlock 25 12 22 24 29 38 41

Merced

Merced-M St. 29 14 23 29 30 32 41

Merced-Vierra

Madera

Madera-City 28 13 24 32 33 30 36

Madera

Fresno

Fresno-SSP

Clovis 31 13 19 27 46 35 46

Fresno-Garland 24 13 20 26 32 29 35

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 30 23 23 37 43 35 42

Parlier

Tranquillity

Huron

Kings

Hanford 35 24 24 37 41 40 43

Corcoran 27 17 18 25 27 28 31

Tulare

Visalia-Ashland 35 20 24 30 37 43 52

Porterville

Ash Mountain-SNP

Kern

Shafter

Oildale 36 21 21 43 30 29 25

Bakersfield-Gold 48 30 29 49 34 37 38

Bakersfield-Calif 30 18 17 34 28 26 28

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 48 30 29 49 46 43 52
Maximum Measured
Value for This Year
 
PollutantMaximum
O3-1hr (ppb)98
O3-8hr (ppb)84
PM 10 (µg/m³)94
PM 2.5 (µg/m³)49.5
Unofficial Days Over the Federal and State Standards¹
 
Federal 2015 8-Hr Ozone 22
Federal 1997 24-Hr PM2.5 0
  Federal 2008 8-Hr Ozone 9
Federal 24-Hr PM10 0
  Federal 1997 8-Hr Ozone 3
State 1-Hr Ozone 4
  Federal 1-Hr Ozone 0
State 1997 8-Hr Ozone 3
  Federal 2006 24-Hr PM2.5 14
State 24-Hr PM10 48
¹Data affected by smoke, high winds, fireworks, 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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Friday, July 3, 2026 Page 1 of 1