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.

02/17 02/18 02/19 02/20 02/21 02/22 02/23

San Joaquin

Stockton-Hazelton

Manteca 30 30 15 14 20 17 11

Tracy-Airport 19 11 9 10 13 10 10

Stanislaus

Modesto-14th 39 19 8 12 19 19 6

Turlock

Merced

Merced-Coffee

Madera

Madera-City 36 29 16 20 24 18 12

Madera

Fresno

Fresno-SSP

Clovis 36 33 14 26 25 19 15

Fresno-Garland 47 41 16 22 29 22 13

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford 57 71 23 33 33 41 21

Corcoran 63 78 20 24 36 22

Tulare

Visalia, Church 46 57 21 26 34 26 15

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale 56 57 30 36 44 43 19

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 63
78
30
36
44
43
22

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximu

PM10 Federal 24-hr 2
Federal 1-Hr 0

O3-1hr (ppb) 72
PM10 State 24-hr 26
State 1-Hr Ozone 0

O3-8hr (ppb) 65
PM2.5 Federal 2006 24-hr 16
Federal 2008 8-Hr 0

PM 10 178
PM2.5 Federal 1997 24-hr 4
Federal 1997 8-Hr 0

PM 2.5 103
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.
Make one change for clean air! Visit www.healthyairliving.com and become a part of the
solution!
Saturday, February 24, 2018 Page 1 of 1