Daily Report

PM10 24 Hour Average (µg/m³)

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

06/25 06/26 06/27 06/28 06/29 06/30 07/01

San Joaquin

Stockton-University 23 30 10 16 23 22 28

Manteca 31 20 11 13 21 29 27

Tracy-Airport 24 14 6 16 21 25 28

Stanislaus

Modesto-14th 20 19 8 14 18 25 27

Turlock 27 25 12 22 24 29 38

Merced

Merced-M St. 35 29 14 23 29 30 32

Merced-Vierra

Madera

Madera-City 33 28 13 24 32 33 30

Madera

Fresno

Fresno-SSP

Clovis 38 31 13 19 27 46 35

Fresno-Garland 30 24 13 20 26 32 29

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 38 30 23 23 37 43 35

Parlier

Tranquillity

Huron

Kings

Hanford 47 35 24 24 37 41 40

Corcoran 33 27 17 18 25 27 28

Tulare

Visalia-Ashland 35 20 24 30 37 43

Porterville

Ash Mountain-SNP

Kern

Shafter

Oildale 33 36 21 21 43 30 29

Bakersfield-Gold 47 48 30 29 49 34 37

Bakersfield-Calif 28 30 18 17 34 28 26

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 47 48 30 29 49 46 43
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 47
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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Thursday, July 2, 2026 Page 1 of 1