PM10 24 Hour Average (µg/m3)

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

PM10/PM2.5 monitoring equipment is used for air quality forecasting and trend analysis.

12/07

12/08

12/09

12/10

12/11

12/12

12/13

San Joaquin

Stockton-Hazelton

Manteca

31

34

32

44

29

35

38

Tracy-Airport

10

15

9

12

8

14

17

Stanislaus

Modesto-14th

31

33

24

35

31

26

39

Turlock

Merced

Merced-Coffee

Madera

Madera-City

29

28

28

32

27

29

42

Madera

Fresno

Fresno-SSP

Clovis

32

28

30

26

25

24

35

Fresno-Garland

29

30

27

23

29

24

37

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford

32

32

28

31

39

44

57

Corcoran

35

34

27

28

37

39

56

Tulare

Visalia, Church

32

27

29

30

30

36

42

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

28

21

31

37

29

26

44

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum

35

34

32

44

39

44

57

Maximum Measured

Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant

Maximum

PM10 Federal 24-

2

Federal 1-Hr

0

O3-1hr (ppb)

121

PM10 State 24-hr

207

State 1-Hr Ozone

41

O3-8hr (ppb)

90

PM2.5 Federal 2006 24-hr

23

Federal 2008 8-Hr

73

PM 10 (µg/m³)

166

PM2.5 Federal 1997 24-hr

4

Federal 1997 8-Hr

8

PM 2.5 (µg/m³)

103

State 1997 8-Hr Ozone

112

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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Friday, December 14, 2018

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