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.

04/11 04/12 04/13 04/14 04/15 04/16 04/17

San Joaquin

Stockton-Hazelton

Manteca 15 16 16 16 17 9 14

Tracy-Airport 14 12 12 11 14 9 16

Stanislaus

Modesto-14th 14 13 18 15 16 10 16

Turlock

Merced

Merced-Coffee

Madera

Madera-City 25 17 24 17 21 12 17

Madera

Fresno

Fresno-SSP

Clovis

Fresno-Garland 23 17 23 16 12 12 16

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford 29 29 37 33 35 12 21

Corcoran 35 34 41 32 31 10 19

Tulare

Visalia, Church 28 28 26 25 28 10 21

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale 38 22 37 23

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 38
34
41
33
35
12
21

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) 70
PM10 State 24-hr 12
State 1-Hr Ozone 0

O3-8hr (ppb) 62
PM2.5 Federal 2006 24-hr 10
Federal 2008 8-Hr Ozone 0

PM 10 (µg/m³) 99
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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Thursday, April 18, 2019 Page 1 of 1