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.

03/13 03/14 03/15 03/16 03/17 03/18 03/19

San Joaquin

Stockton-Hazelton

Manteca 11 19 17 24 28 29

Tracy-Airport 9 8 14 13 16 26 25

Stanislaus

Modesto-14th 7 16 23 24 23 35 30

Turlock

Merced

Merced-Coffee

Madera

Madera-City 11 19 27 18 17 22 30

Madera

Fresno

Fresno-SSP

Clovis 8 26 32 19 17 45 53

Fresno-Garland 7 20 20 23 20 27 28

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford 15 24 28 33 40 43 42

Corcoran 14 23 28 30 32 37 42

Tulare

Visalia, Church 18 26 24 25 23 39

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale 16 21 30 27 25 50 71

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 18
26
32
33
40
50
71

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum

PM10 Federal 24-hr 0
Federal 1-Hr Ozone 0

O3-1hr (ppb) 67
PM10 State 24-hr 11
State 1-Hr Ozone 0

O3-8hr (ppb) 61
PM2.5 Federal 2006 24-hr 10
Federal 2008 8-Hr Ozone 0

PM 10 (µg/m³) 92
PM2.5 Federal 1997 24-hr 0
Federal 1997 8-Hr Ozone 0

PM 2.5 (µg/m³) 53
State 1997 8-Hr Ozone 0
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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Wednesday, March 20, 2019 Page 1 of 1