Daily Report

PM10 24 Hour Average (µg/m³)

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

10/26 10/27 10/28 10/29 10/30 10/31 11/01

San Joaquin

Stockton-University 22 21 24 44 42 15 10

Manteca 18 15 21

Tracy-Airport 15 13 12 23 28 15 6

Stanislaus

Modesto-14th 15 16 19 31 32 15 8

Turlock 19 15 25 31 23 17 10

Merced

Merced-M St. 26 17 31 32 26 18 13

Merced-Vierra

Madera

Madera-City 23 18 34 37 32 24 11

Madera

Fresno

Fresno-SSP

Clovis 26 16 32 52 44 22 10

Fresno-Garland 26 14 32 48 45 23 14

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond 23 44 74 62 27 14

Parlier

Tranquillity

Huron

Kings

Hanford 36 20 32 52 62 27 10

Corcoran 41 26 38 58 57 24 10

Tulare

Visalia-Ashland 33 30 35 57 58 27 12

Porterville

Ash Mountain-SNP

Kern

Shafter

Oildale 33 33 39 51 42 17 5

Bakersfield-Gold 42 40 61 53 22 9

Bakersfield-Calif 38 40 40 54 47 23 8

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 42 40 44 74 62 27 14
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 143
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, November 2, 2026 Page 1 of 1