Daily Report

PM10 24 Hour Average (µg/m³)

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

10/05 10/06 10/07 10/08 10/09 10/10 10/11

San Joaquin

Stockton-University 47 58 41 57 46 28

Manteca 57 57 45 44 47 32 26

Tracy-Airport 41 36 40 35 46 28 21

Stanislaus

Modesto-14th 51 53 45 48 50 34 26

Turlock 68 66 52 60 63 40 33

Merced

Merced-M St. 68 81 61 85 66 44 33

Merced-Vierra

Madera

Madera-City 76 90 92 87 119 43 62

Madera

Fresno

Fresno-SSP

Clovis 62 88 86 89 127 64 62

Fresno-Garland 57 87 85 75 108 48 62

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 85 112 109 100 136 56 83

Parlier

Tranquillity

Huron

Kings

Hanford 118 122 125 120 113 66 84

Corcoran 94 111 108 115 119 75 74

Tulare

Visalia-Ashland 89 101

Porterville

Ash Mountain-SNP

Kern

Shafter

Oildale 55 71 73 74 74 37 68

Bakersfield-Gold 68 83 88 100 97 57 84

Bakersfield-Calif 58 66 77 77 77 47 66

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 118 122 125 120 136 75 84
Maximum Measured
Value for This Year
 
PollutantMaximum
O3-1hr (ppb)101
O3-8hr (ppb)84
PM 10 (µg/m³)150
PM 2.5 (µg/m³)49.5
Unofficial Days Over the Federal and State Standards¹
 
Federal 2015 8-Hr Ozone 53
Federal 1997 24-Hr PM2.5 0
  Federal 2008 8-Hr Ozone 29
Federal 24-Hr PM10 0
  Federal 1997 8-Hr Ozone 0
State 1-Hr Ozone 15
  Federal 1-Hr Ozone 0
State 2005 8-Hr Ozone 53
  Federal 2006 24-Hr PM2.5 14
State 24-Hr PM10 131
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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Monday, October 12, 2026 Page 1 of 1