PM10 24 Hour Average (µg/m3)

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

04/15

04/16

04/17

04/18

04/19

04/20

04/21

San Joaquin

Stockton-University

6

18

23

22

22

16

15

Manteca

8

15

23

23

28

18

16

Tracy-Airport

6

11

17

20

26

15

12

Stanislaus

Modesto-14th

21

22

25

17

14

Turlock

10

18

21

27

25

20

17

Merced

Merced-M St.

11

17

20

21

26

20

18

Merced-Vierra

Madera

Madera-City

9

17

19

19

28

22

18

Madera

Fresno

Fresno-SSP

Clovis

8

13

21

23

24

21

16

Fresno-Garland

7

15

23

21

23

17

16

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond

13

19

33

34

29

23

20

Parlier

Tranquillity

Huron

Kings

Hanford

11

17

32

43

27

23

20

Corcoran

10

19

33

48

30

23

21

Tulare

Visalia-Ashland

13

21

31

32

35

25

21

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

10

20

36

36

36

32

25

Bakersfield-Gold

43

37

37

39

35

28

Bakersfield-Calif

16

23

32

32

31

31

27

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum

16

43

37

48

39

35

28

Maximum Measured

Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant

Maximum

Federal 2015 8-Hr Ozone

1

Federal 1997 24-hr PM2.5

0

Federal 2008 8-Hr Ozone

0

Federal 24-hr PM10

0

O3-1hr (ppb)

82

Federal 1997 8-Hr Ozone

0

State 1-Hr Ozone

0

O3-8hr (ppb)

71

Federal 1-Hr Ozone

0

State 1997 8-Hr Ozone

1

PM 10 (µg/m³)

72

Federal 2006 24-hr PM2.5

0

State 24-hr PM10

6

PM 2.5 (µg/m³)

32.2

¹Data affected by smoke, high winds, fireworks, and 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, April 22, 2024

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