Daily Report

PM2.5 24 Hour Average (µg/m³)

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

08/02

08/03

08/04

08/05

08/06

08/07

08/08

San Joaquin

Stockton-University

11.5

12.6x

10.5x

8.3x

6.5x

6.0x

7.9x

Manteca

10.6

11.7x

10.8x

9.3x

6.6x

5.9x

6.8x

Tracy-Airport

6.2

8.5x

10.7x

8.1x

6.0x

5.9x

5.3x

Stanislaus

Modesto-14th

9.3

10.0x

9.2x

8.6x

5.9x

6.5x

6.7x

Turlock

11.3

13.0x

12.9x

10.4x

9.0x

8.0x

9.1x

Merced

Merced-M St.

11.0

12.9x

14.8x

14.7x

9.9x

7.9x

9.3x

Merced-Vierra

10.5

13.0x

14.9x

17.4x

12.0x

9.2x

11.6x

Madera

Madera-City

10.4

13.2x

14.3x

16.6x

14.4x

7.3x

8.7x

Madera

Fresno

Fresno-SSP

Clovis

10.6

13.6x

14.9x

18.0x

14.4x

8.8x

11.1x

Fresno-Garland

11.0

11.6x

13.6x

17.9x

13.4x

9.0x

10.1x

Fresno-Foundry

10.9

13.3x

14.9x

17.8x

13.6x

9.8x

11.5x

Fresno-Pacific

11.0

11.8x

13.8x

18.6x

13.1x

8.0x

10.3x

Fresno-Drummond

Parlier

Tranquillity

6.4

6.7x

8.8x

7.0x

6.3x

6.1x

Huron

8.3

10.1x

11.8x

8.9x

9.6x

9.7x

Kings

Hanford

11.0

14.3x

15.9x

20.2x

13.3x

12.0x

11.4x

Corcoran

15.7

13.4

14.6x

20.7x

13.4x

11.7x

14.9x

Tulare

Visalia-Ashland

10.2

10.7

12.9x

15.5x

15.2x

12.8x

14.6x

Porterville

9.3

10.1

8.7x

11.5x

14.2x

11.7x

7.7x

Ash Mountain-SNP

9.6

8.0

10.4x

14.5x

14.7x

13.9x

9.7x

Kern

Shafter

Oildale

Bakersfield-Gold

8.2

6.0

7.0x

10.8x

10.6x

10.7x

7.3x

Bakersfield-Calif

10.6

11.7

9.8x

12.6x

13.4x

14.0x

9.6x

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

6.2

5.8

7.2x

19.4x

12.5x

11.4x

9.5x

District Maximum

15.7

14.3

15.9

20.7

15.2

14.0

14.9

Maximum Measured

Value for This Year

Pollutant	Maximum
O3-1hr (ppb)	98
O3-8hr (ppb)	84
PM 10 (µg/m³)	97
PM 2.5 (µg/m³)	49.5

Unofficial Days Over the Federal and State Standards¹

Federal 2015 8-Hr Ozone	35	Federal 1997 24-Hr PM2.5	0
Federal 2008 8-Hr Ozone	16	Federal 24-Hr PM10	0
Federal 1997 8-Hr Ozone	0	State 1-Hr Ozone	5
Federal 1-Hr Ozone	0	State 1997 8-Hr Ozone	0
Federal 2006 24-Hr PM2.5	14	State 24-Hr PM10	70

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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Sunday, August 9, 2026

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