Current Date: 1/18/2026 11:09 AM
Daily Parameter Report
1/18/2026
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 .041 C C .044 .045 .044 .041 .041 .036 .038 .041 .041 .045 04
CHULA VISTA .016 C C .026 .021 .025 .027 .019 .023 .031 .026 .023 .031 09
DOWNTOWN SE .005 C C .018 .019 .015 .017 .012 .017 .017 .015 .015 .019 04
EL CAJON LES .003 C C C .002 .002 .002 .004 .011 .016 .024 .008 .024 10
KEARNY MESA .030 C C .030 .032 .029 .029 .027 .028 .028 .039 .030 .039 10
OTAY MESA DVN .038 C C .036 .037 .022 .034 .034 .030 .036 .038 .033 .038 00
PENDLETON .023 C C .023 .025 .025 .023 .024 .023 .026 .031 .024 .031 10
03 NO2 PPB ALPINE 2.0 C C .8 .8 .8 1.2 1.7 2.9 4.2 2.5 1.8 4.2 09
CARMEL MT RCH 18.7 C C 19.4 16.5 19.1 20.7 24.9 28.1 18.7 17.4 20.3 28.1 08
CHULA VISTA 15.1 C C 6.6 8.7 8.2 7.4 11.7 9.0 5.5 9.0 9.0 15.1 00
DOWNTOWN SE 28.9 C C 12.7 12.5 16.3 14.3 15.8 14.2 16.4 25.2 17.3 28.9 00
EL CAJON LES 20.0 C C C 15.5 15.1 14.6 14.1 13.6 13.7 12.1 14.8 20.0 00
KEARNY MESA 5.4 C C 4.0 3.0 5.7 5.4 6.8 5.7 5.5 2.5 4.8 6.8 07
OTAY MESA DVN 2.6 C C 6.6 5.9 25.1 10.4 5.8 4.6 3.6 2.0 7.4 25.1 05
PENDLETON 5.7 C C 4.0 3.9 3.8 4.5 5.1 4.5 3.9 3.0 4.2 5.7 00
SAN YSIDRO 26.9 C C 23.0 22.2 20.9 26.0 29.9 28.8 22.8 14.5 23.8 29.9 07
06 CO PPM CARMEL MT RCH .5 C C .4 .2 .4 .6 .8 1.3 .8 .7 .6 1.3 08
SAN YSIDRO 1.6 C C .5 .6 .7 .7 1.2 1.1 .5 .4 .8 1.6 00
07 H2S PPB IB CIVIC CTR 1.1 1.0 .9 1.0 1.0 .9 1.7 1.6 1.2 1.2 1.0 1.1 1.7 06
NESTOR - BES 2.0 1.0 1.0 1.1 1.1 1.5 2.8 3.2 1.1 1.2 .9 1.5 3.2 07
SAN YSIDRO 3.9 1.9 1.5 1.4 1.2 1.0 1.5 3.2 3.0 1.6 1.0 1.9 3.9 00
10 INTMP °C ALPINE 27 27 27 27 27 27 27 27 26 26 25 27 27 00
CARMEL MT RCH 26 26 27 27 27 27 26 26 26 26 26 26 27 02
CHULA VISTA 25 25 25 26 26 26 26 26 25 25 24 25 26 03
DOWNTOWN SE 26 26 26 26 26 26 26 26 26 26 25 26 26 00
EL CAJON LES 26 27 27 27 27 27 27 27 27 27 26 27 27 01
IB CIVIC CTR 28 29 28 28 28 28 28 28 26 24 23 27 29 01
KEARNY MESA 24 24 25 24 24 24 24 23 24 24 24 24 25 02
NESTOR - BES 24 24 24 24 24 23 23 24 24 22 21 23 24 00
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 26 27 27 00
PENDLETON 24 24 24 24 24 24 24 24 24 24 25 24 25 10
SAN YSIDRO 23 23 23 22 22 22 22 22 22 23 23 22 23 00
11 PM2.5 µg/M3 ALPINE 1.8 1.3 .6 .6 .6 .6 .5 .5 .7 .6 .7 .7 1.8 00
CARMEL MT RCH 4.1 3.2 2.6 2.0 2.1 2.1 3.3 2.3 2.3 2.8 5.4 2.9 5.4 10
CHULA VISTA 4.0 3.5 2.8 2.1 2.5 1.8 1.2 1.5 2.1 1.6 2.2 2.3 4.0 00
DOWNTOWN SE 10.2 5.4 5.0 4.1 3.9 3.5 3.1 3.1 6.9 5.0 6.4 5.1 10.2 00
EL CAJON LES 12.6 10.0 8.5 8.0 7.9 8.0 7.5 7.5 7.5 6.7 5.3 8.1 12.6 00
KEARNY MESA 3.0 3.1 3.1 2.9 2.4 2.2 2.0 1.6 1.5 1.4 2.1 2.3 3.1 01
Current Date: 1/18/2026 11:09 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 12.1 3.3 5.9 2.0 3.3 5.3 7.7 26.2 4.9 3.7 2.4 6.9 26.2 07
PENDLETON 3.3 3.1 3.0 2.6 2.6 2.5 2.4 2.5 2.3 2.1 1.7 2.5 3.3 00
SAN YSIDRO 21.4 12.7 10.8 9.4 9.0 6.0 8.4 21.5 25.8 14.2 8.3 13.4 25.8 08
12 VWDR ° ALPINE 56 108 92 75 347 102 106 84 114 154 193 0 347 04
CHULA VISTA 65 99 73 69 111 81 79 3 68 47 17 0 111 04
DOWNTOWN SE 29 26 351 348 49 43 10 325 72 245 225 0 351 02
EL CAJON LES 160 126 205 120 197 129 259 170 318 342 347 0 347 10
KEARNY MESA 50 47 50 56 60 51 65 40 57 94 145 0 145 10
OTAY MESA DVN 89 24 42 51 22 89 89 336 350 261 289 0 350 08
PENDLETON 72 74 69 34 67 63 41 43 28 50 67 0 74 01
13 SIGTHETA ° ALPINE 58 37 25 36 47 48 21 22 56 16 23 35 58 00
CHULA VISTA 40 28 40 59 33 20 39 39 20 24 21 33 59 03
DOWNTOWN SE 25 15 14 29 49 31 32 61 58 62 32 37 62 09
EL CAJON LES 35 37 37 33 45 27 33 50 53 66 41 42 66 09
KEARNY MESA 10 7 6 5 7 5 4 10 11 28 45 13 45 10
OTAY MESA DVN 29 53 28 22 26 26 20 64 62 28 20 34 64 07
PENDLETON 7 6 28 15 11 12 17 17 18 18 18 15 28 02
14 VWSP MPH ALPINE 1.0 1.6 2.0 .8 1.2 1.5 2.8 2.4 .6 3.4 3.0 .0 3.4 09
CHULA VISTA 1.2 2.1 1.6 1.0 1.2 2.4 2.4 1.0 2.4 2.5 1.5 .0 2.5 09
DOWNTOWN SE 2.2 3.9 2.4 1.4 .5 1.2 1.2 .6 .9 .6 1.1 .0 3.9 01
EL CAJON LES .5 1.0 .3 1.3 .3 1.4 .8 .5 .7 .5 1.1 .0 1.4 05
KEARNY MESA 6.2 7.3 7.5 6.9 5.9 5.9 6.0 3.5 3.7 1.7 2.3 .0 7.5 02
OTAY MESA DVN 2.3 .9 1.5 2.3 1.3 1.3 3.8 .6 1.0 1.8 3.1 .0 3.8 06
PENDLETON 9.5 10.1 8.5 5.2 7.7 8.0 4.9 4.9 3.3 3.6 4.6 .0 10.1 01
15 SWSP MPH ALPINE 1.8 1.8 2.1 1.2 1.8 1.7 3.1 2.7 1.2 3.5 3.5 2.2 3.5 09
CHULA VISTA 1.7 2.3 1.9 1.3 1.3 2.7 2.9 2.0 2.7 2.7 1.6 2.1 2.9 06
DOWNTOWN SE 2.5 4.0 2.6 1.7 .9 1.5 1.5 1.3 1.5 1.1 1.2 1.8 4.0 01
EL CAJON LES 1.0 1.3 1.1 1.9 .8 2.3 1.1 1.5 1.1 1.1 1.8 1.4 2.3 05
KEARNY MESA 6.4 7.4 7.6 7.0 6.1 6.1 6.0 3.6 3.8 2.1 2.8 5.4 7.6 02
OTAY MESA DVN 3.0 1.9 1.8 3.2 2.1 1.5 4.1 2.1 1.9 2.0 3.5 2.5 4.1 06
PENDLETON 9.6 10.2 9.1 5.5 7.8 8.3 5.3 5.1 3.7 4.0 5.1 6.7 10.2 01
16 AMBTEMP °F ALPINE 63.2 63.3 63.2 64.2 64.8 64.0 60.6 63.3 68.2 72.4 74.4 65.6 74.4 10
CARMEL MT RCH 61.0 59.7 59.3 58.5 56.6 56.2 55.4 58.5 62.4 65.5 68.9 60.2 68.9 10
CHULA VISTA 55.0 53.9 55.8 55.7 52.2 54.5 56.4 55.1 62.0 68.3 70.5 58.1 70.5 10
DOWNTOWN SE 55.2 57.2 54.8 54.7 53.2 51.5 50.9 56.1 69.7 75.5 77.9 59.7 77.9 10
EL CAJON LES 48.9 47.3 46.4 45.4 44.4 43.3 42.7 44.9 52.6 58.7 67.4 49.3 67.4 10
KEARNY MESA 59.9 57.9 58.2 57.5 57.6 56.3 56.2 59.6 65.3 71.0 76.1 61.4 76.1 10
OTAY MESA DVN 64.3 65.0 62.3 63.0 63.7 64.6 63.2 62.1 64.2 73.3 75.3 65.5 75.3 10
PENDLETON 57.9 56.8 56.4 54.7 55.7 55.3 53.8 54.8 59.8 65.4 74.4 58.6 74.4 10
Current Date: 1/18/2026 11:09 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 53.2 53.0 52.5 52.8 50.9 49.0 50.5 55.7 64.5 73.0 77.0 57.5 77.0 10
17 RELHUM % ALPINE 19 18 16 15 15 15 18 18 21 15 14 17 21 08
EL CAJON LES 65 69 72 75 78 80 81 77 57 44 32 66 81 06
KEARNY MESA 34 37 36 36 35 36 37 34 33 30 18 33 37 01
18 PRES mmHg EL CAJON LES 752 752 752 752 751 752 752 752 752 753 752 752 753 09
KEARNY MESA 753 753 752 752 752 752 752 753 753 753 753 753 753 00
19 SOLAR W/M2 EL CAJON LES 0 0 1 0 0 0 2 52 155 255 538 91 538 10
KEARNY MESA 1 1 1 1 1 1 4 124 250 486 674 140 674 10
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 4 11 18 26 5 26 10
25 NOY EL CAJON LES 28.27 21.71 21.89 20.58 C C 26.27 34.41 26.23 23.31 19.29 24.66 34.41 07
26 NOY-NO EL CAJON LES 21.98 18.79 18.46 16.86 C C 16.68 15.17 14.13 13.99 11.80 16.42 21.98 00
27 NO Trace EL CAJON LES 6.29 2.92 3.42 3.72 C C 9.59 19.23 12.09 9.31 7.49 8.22 19.23 07
28 SO2 Tr PPB EL CAJON LES .1 C C C .0 .1 .1 .2 .2 .1 .1 .1 .2 07
29 CO Tr PPB EL CAJON LES 884.1 C C C 477.9 463.8 466.3 584.4 490.5 470.1 442.9 535.0 884.1 00
BCarbon ug/m3 10TH AVE MARIN 3.83 < < 1.12 < 1.05 1.01 1.26 1.34 1.63 2.76 1.75 3.83 00
ALPINE .17 .10 .04 .03 .04 .04 .04 .06 .06 < < .06 .17 00
BOSTON AVE 2.66 1.03 .95 1.04 1.53 1.95 .82 .69 .77 .78 1.50 1.25 2.66 00
CHICANO PARK 2.56 1.37 .65 .71 1.09 .52 .64 .87 .70 .87 1.48 1.04 2.56 00
DOWNTOWN SE < < < .68 .48 .47 .52 .45 .49 .58 1.02 .59 1.02 10
OCEANVIEW BLV 2.34 .80 1.01 1.04 2.01 < .92 1.93 .69 .33 .49 1.16 2.34 00
OTAY MESA DVN .18 .14 .21 1.36 1.41 3.03 1.90 .53 .37 .29 .28 .88 3.03 05
SAN YSIDRO 2.90 2.08 1.97 1.46 1.18 < 1.41 3.36 < 1.86 1.05 1.92 3.36 07
PM10 STD ALPINE 8.4 6.8 2.9 2.7 3.6 3.5 2.0 3.3 4.6 4.0 3.3 4.1 8.4 00
CARMEL MT RCH 15.0 11.1 9.6 7.7 6.9 6.6 10.9 7.5 9.1 11.4 13.1 9.9 15.0 00
CHULA VISTA 12.2 10.6 9.3 6.3 7.0 5.9 6.1 6.5 9.5 6.8 8.9 8.1 12.2 00
DOWNTOWN SE 28.3 14.4 14.5 11.9 10.2 10.2 8.7 10.3 16.6 16.1 21.3 14.7 28.3 00
EL CAJON LES 28.4 24.7 20.9 18.0 19.6 18.4 16.9 19.1 17.7 16.0 15.6 19.5 28.4 00
KEARNY MESA 13.7 13.9 12.9 10.4 9.4 8.7 7.9 6.8 6.1 7.2 10.7 9.7 13.9 01
OTAY MESA DVN 126.9 24.6 58.0 10.9 26.5 42.0 71.0 280.7 43.5 29.1 13.3 66.0 280.7 07
PENDLETON 12.2 13.1 13.9 9.0 11.0 11.7 10.1 8.9 9.5 9.6 8.8 10.7 13.9 02
SAN YSIDRO 76.3 41.3 37.5 33.8 28.0 22.6 35.7 71.3 92.2 57.5 37.7 48.5 92.2 08
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00