Current Date: 5/17/2026 4:09 AM
Daily Parameter Report
5/17/2026
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Summary
Parameter SiteName Avg Max Hr. of
01 OZONE PPM ALPINE .044 C C .036 .040 .044 00
CHULA VISTA .052 C C .043 .047 .052 00
DOWNTOWN SE .051 C C .050 .050 .051 00
EL CAJON LES .048 C C C .048 .048 00
KEARNY MESA .053 C C .046 .049 .053 00
OTAY MESA DVN .051 C C .048 .049 .051 00
PENDLETON .051 C C .047 .049 .051 00
03 NO2 PPB ALPINE 4.2 C C 4.3 4.2 4.3 03
CARMEL MT RCH 3.8 C C 2.1 2.9 3.8 00
CHULA VISTA 1.8 C C 3.0 2.4 3.0 03
DOWNTOWN SE 3.8 C C 3.0 3.4 3.8 00
EL CAJON LES 19.6 C C C 19.6 19.6 00
KEARNY MESA 1.8 C C 3.0 2.4 3.0 03
OTAY MESA DVN 3.8 C C 2.6 3.2 3.8 00
PENDLETON 1.7 C C 4.3 3.0 4.3 03
SAN YSIDRO 2.6 C C 4.2 3.4 4.2 03
06 CO PPM CARMEL MT RCH .2 C C .3 .3 .3 03
SAN YSIDRO .3 C C .3 .3 .3 00
07 H2S PPB IB CIVIC CTR .7 1.9 8.6 10.4 5.4 10.4 03
NESTOR - BES 5.5 16.1 8.1 66.5 24.0 66.5 03
SAN YSIDRO 2.1 1.6 1.0 1.2 1.4 2.1 00
10 INTMP °C ALPINE 26 26 27 27 27 27 02
CARMEL MT RCH 25 25 25 25 25 25 00
CHULA VISTA 25 24 25 24 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 00
KEARNY MESA 24 24 25 24 24 25 02
OTAY MESA DVN 25 25 25 25 25 25 00
PENDLETON 26 26 26 26 26 26 00
SAN YSIDRO 25 25 25 25 25 25 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 00
NESTOR - BES 26 26 26 26 26 26 00
11 PM2.5 µg/M3 ALPINE 15.5 16.4 15.4 15.1 15.6 16.4 01
CARMEL MT RCH 21.8 35.4 51.0 55.4 40.9 55.4 03
CHULA VISTA 56.1 47.3 48.2 48.2 49.9 56.1 00
DOWNTOWN SE 49.4 47.5 49.4 52.9 49.8 52.9 03
EL CAJON LES 35.9 58.8 54.4 54.1 50.8 58.8 01
KEARNY MESA 55.4 56.6 56.7 48.6 54.3 56.7 02
Current Date: 5/17/2026 4:09 AM
Daily Parameter Report
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Summary
Parameter SiteName Avg Max Hr. of
OTAY MESA DVN 61.3 74.1 67.9 56.8 65.0 74.1 01
PENDLETON 24.3 32.9 43.0 47.6 36.9 47.6 03
SAN YSIDRO 68.2 55.4 57.2 49.2 57.5 68.2 00
12 VWDR ° ALPINE 202 189 137 138 0 202 00
CHULA VISTA 182 184 168 139 0 184 01
DOWNTOWN SE 198 175 176 169 0 198 00
EL CAJON LES 201 167 169 134 0 201 00
KEARNY MESA 157 130 140 157 0 157 00
OTAY MESA DVN 173 161 138 178 0 178 03
PENDLETON 166 158 105 91 0 166 00
13 SIGTHETA ° ALPINE 22 21 13 47 26 47 03
CHULA VISTA 14 12 18 28 18 28 03
DOWNTOWN SE 17 14 13 15 15 17 00
EL CAJON LES 22 16 20 34 23 34 03
KEARNY MESA 16 13 11 13 13 16 00
OTAY MESA DVN 11 11 13 10 11 13 02
PENDLETON 10 12 11 8 10 12 01
14 VWSP MPH ALPINE 2.7 1.7 2.5 .6 .0 2.7 00
CHULA VISTA 3.5 3.9 2.2 1.4 .0 3.9 01
DOWNTOWN SE 5.0 4.9 5.7 5.5 .0 5.7 02
EL CAJON LES 3.4 3.5 2.7 .6 .0 3.5 01
KEARNY MESA 3.7 3.7 5.7 4.7 .0 5.7 02
OTAY MESA DVN 4.6 5.1 5.0 4.9 .0 5.1 01
PENDLETON 9.3 8.1 4.7 5.1 .0 9.3 00
15 SWSP MPH ALPINE 3.0 2.4 2.6 .9 2.2 3.0 00
CHULA VISTA 3.6 3.9 2.5 1.6 2.9 3.9 01
DOWNTOWN SE 5.2 5.1 5.8 5.7 5.5 5.8 02
EL CAJON LES 3.7 3.6 2.8 1.2 2.8 3.7 00
KEARNY MESA 4.3 3.8 5.8 4.8 4.7 5.8 02
OTAY MESA DVN 4.8 5.2 5.2 5.1 5.1 5.2 01
PENDLETON 9.5 8.3 5.0 5.2 7.0 9.5 00
16 AMBTEMP °F ALPINE 54.3 53.0 51.6 51.4 52.6 54.3 00
CARMEL MT RCH 59.2 58.0 57.2 57.0 57.9 59.2 00
CHULA VISTA 61.8 61.3 60.3 60.3 60.9 61.8 00
DOWNTOWN SE 61.7 61.2 61.2 61.1 61.3 61.7 00
EL CAJON LES 60.5 59.3 58.6 57.8 59.1 60.5 00
KEARNY MESA 60.4 59.0 60.2 58.8 59.6 60.4 00
OTAY MESA DVN 59.5 59.5 59.1 59.0 59.3 59.5 00
PENDLETON 63.4 62.9 61.7 61.0 62.3 63.4 00
Current Date: 5/17/2026 4:09 AM
Daily Parameter Report
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Summary
Parameter SiteName Avg Max Hr. of
SAN YSIDRO 62.4 61.8 61.5 61.8 61.9 62.4 00
17 RELHUM % ALPINE 87 92 94 93 92 94 02
EL CAJON LES 82 84 85 86 84 86 03
KEARNY MESA 81 84 83 86 84 86 03
18 PRES mmHg EL CAJON LES 746 745 745 744 745 746 00
KEARNY MESA 746 746 745 745 746 746 00
19 SOLAR W/M2 EL CAJON LES 0 -1 -1 0 -1 0 00
KEARNY MESA 1 1 1 1 1 1 00
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 00
25 NOY EL CAJON LES 2.76 2.88 3.45 4.02 3.27 4.02 03
26 NOY-NO EL CAJON LES 2.73 2.87 3.41 4.00 3.25 4.00 03
27 NO Trace EL CAJON LES .03 .01 .04 .01 .02 .04 02
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 00
29 CO Tr PPB EL CAJON LES 232.4 C C C 232.4 232.4 00
BCarbon ug/m3 10TH AVE MARIN < < < < < <
ALPINE < < .52 .49 .51 .52 02
BOSTON AVE .92 .94 .84 .90 .90 .94 01
CHICANO PARK .90 .79 .77 < .82 .90 00
DOWNTOWN SE .88 < .78 .80 .82 .88 00
OCEANVIEW BLV .82 .75 .78 .82 .79 .82 00
OTAY MESA DVN 1.44 1.59 1.70 1.46 1.55 1.70 02
SAN YSIDRO 1.07 < < < 1.07 1.07 00
PM10 STD ALPINE 34.2 37.3 33.4 31.7 34.1 37.3 01
CARMEL MT RCH 42.6 56.5 72.8 79.0 62.7 79.0 03
CHULA VISTA 87.3 79.2 79.8 78.8 81.2 87.3 00
DOWNTOWN SE 79.3 78.8 79.8 85.7 80.9 85.7 03
EL CAJON LES 57.8 84.4 77.3 75.8 73.8 84.4 01
KEARNY MESA 81.9 82.2 85.3 78.2 81.9 85.3 02
OTAY MESA DVN 89.5 104.3 100.7 91.9 96.6 104.3 01
PENDLETON 51.2 57.9 67.1 71.1 61.8 71.1 03
SAN YSIDRO 99.4 90.2 92.9 83.8 91.5 99.4 00
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 00