Current Date: 5/19/2026 11:09 AM
Daily Parameter Report
5/19/2026
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 .033 .037 C C .056 .057 .052 .053 .049 .053 .057 .049 .057 05
CHULA VISTA .025 .025 C C .017 .012 .013 .035 .035 .043 .048 .028 .048 10
DOWNTOWN SE .024 .026 C C .015 .009 .013 .024 .036 .042 .042 .025 .042 09
EL CAJON LES .025 .022 .022 .019 C .016 .020 .028 .037 C .055 .027 .055 10
KEARNY MESA .025 .021 C C .016 .011 .028 .042 .044 .048 .049 .031 .049 10
OTAY MESA DVN .026 .030 C C .025 .024 .030 .044 .046 .046 P .033 .046 08
PENDLETON M C C C M M M .032 .037 .042 .043 .038 .043 10
03 NO2 PPB ALPINE 3.5 2.9 C C 1.4 1.3 2.2 1.3 2.2 2.4 2.5 2.1 3.5 00
CARMEL MT RCH 11.4 11.0 C C 13.0 8.7 7.8 9.6 11.4 13.6 10.4 10.7 13.6 09
CHULA VISTA 7.7 7.7 C C 9.4 14.3 15.1 6.9 10.4 5.2 3.8 8.9 15.1 06
DOWNTOWN SE 8.8 7.6 C C 12.3 17.9 15.7 14.1 8.1 6.4 5.2 10.6 17.9 05
EL CAJON LES 5.0 5.3 5.0 5.8 C 7.4 7.7 9.5 11.3 C 9.4 7.3 11.3 08
KEARNY MESA 5.3 5.7 C C 12.8 13.9 7.4 3.6 3.5 2.5 1.9 6.2 13.9 05
OTAY MESA DVN 11.1 4.6 C C 7.0 8.7 7.2 1.9 2.6 5.5 P 6.0 11.1 00
PENDLETON M C C C M M M 11.9 6.7 2.0 1.5 5.5 11.9 07
SAN YSIDRO 12.3 10.8 C C 15.6 17.6 25.9 11.7 7.8 6.2 3.4 12.3 25.9 06
06 CO PPM CARMEL MT RCH .3 .2 C C .3 .4 .4 .3 .4 .5 .5 .4 .5 09
SAN YSIDRO .3 .2 C C .4 .6 .9 .4 .3 .3 .2 .4 .9 06
07 H2S PPB IB CIVIC CTR 12.5 3.9 .8 .8 1.1 2.2 1.0 .9 .8 .7 .5 2.2 12.5 00
NESTOR - BES 51.1 16.5 1.8 9.5 24.1 9.6 2.2 .9 .8 .6 .5 10.6 51.1 00
SAN YSIDRO .6 .6 1.6 1.6 .8 1.2 4.1 1.7 .7 .8 .5 1.2 4.1 06
10 INTMP °C ALPINE 26 26 26 26 26 26 26 26 25 25 25 26 26 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 25 25 24 25 25 25 25 25 24 24 24 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 27 27 27 26 26 26 27 06
KEARNY MESA 23 24 24 24 24 24 24 24 24 24 24 24 24 01
OTAY MESA DVN 25 25 25 25 25 25 25 25 25 24 P 25 25 00
PENDLETON 26 26 26 26 26 25 26 25 25 25 25 26 26 00
SAN YSIDRO 24 24 24 24 24 23 23 23 24 24 24 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 28 27 27 25 24 24 23 26 28 04
NESTOR - BES 27 27 27 26 26 26 26 25 25 25 24 26 27 00
11 PM2.5 µg/M3 ALPINE 9.8 10.3 7.9 6.7 3.8 2.0 3.4 2.3 4.6 4.6 4.7 5.4 10.3 01
CARMEL MT RCH 10.6 10.5 11.3 11.7 11.9 12.1 13.3 14.6 18.7 18.1 19.1 13.8 19.1 10
CHULA VISTA 8.3 8.1 8.3 8.4 8.7 9.1 12.8 15.7 19.1 17.6 17.6 12.1 19.1 08
DOWNTOWN SE 10.5 10.5 10.5 10.9 11.8 12.2 15.3 16.5 18.6 19.0 17.7 13.9 19.0 09
EL CAJON LES 9.6 9.6 9.9 9.8 10.1 9.6 10.4 13.2 15.6 14.1 15.0 11.5 15.6 08
KEARNY MESA 9.8 10.2 10.6 11.3 12.2 12.1 14.9 22.2 20.6 19.2 19.3 14.7 22.2 07
Current Date: 5/19/2026 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 16.0 21.1 12.7 14.0 17.2 19.2 18.1 15.5 16.5 15.8 P 16.6 21.1 01
PENDLETON 12.9 13.1 13.3 13.4 13.6 14.2 16.5 18.2 16.5 14.2 13.2 14.4 18.2 07
SAN YSIDRO 8.9 9.6 13.9 14.8 11.6 12.8 26.9 21.1 19.9 20.1 19.4 16.2 26.9 06
12 VWDR ° ALPINE 89 359 73 309 66 82 329 69 5 291 298 0 359 01
CHULA VISTA 93 48 54 52 140 61 341 346 320 265 283 0 346 07
DOWNTOWN SE 45 24 28 348 12 70 81 272 297 269 287 0 348 03
EL CAJON LES 85 102 76 114 110 106 76 22 332 242 245 0 332 08
KEARNY MESA 40 36 39 40 40 77 349 322 326 291 298 0 349 06
OTAY MESA DVN 98 40 11 131 124 94 331 323 296 289 P 0 331 06
PENDLETON 39 46 59 43 65 52 58 275 258 265 261 0 275 07
13 SIGTHETA ° ALPINE 23 16 54 37 55 68 67 58 37 23 21 42 68 05
CHULA VISTA 28 14 18 29 19 36 53 45 34 21 23 29 53 06
DOWNTOWN SE 53 13 47 52 49 18 32 52 34 26 25 36 53 00
EL CAJON LES 14 14 14 19 33 25 42 68 64 74 31 36 74 09
KEARNY MESA 9 6 6 5 11 19 57 28 23 17 15 18 57 06
OTAY MESA DVN 6 23 12 37 7 19 21 20 22 20 P 19 37 03
PENDLETON 9 8 8 9 8 9 14 32 16 15 13 13 32 07
14 VWSP MPH ALPINE 2.5 3.8 1.1 2.4 1.8 2.6 1.6 2.6 3.2 5.4 7.1 .0 7.1 10
CHULA VISTA 1.3 1.9 2.7 2.3 1.4 .9 .7 2.7 3.7 6.8 7.1 .0 7.1 10
DOWNTOWN SE 1.6 2.8 1.0 .4 .4 1.9 1.6 1.6 3.9 6.7 6.9 .0 6.9 10
EL CAJON LES 2.8 2.9 3.4 2.0 1.1 1.5 .8 .5 1.5 .9 5.3 .0 5.3 10
KEARNY MESA 3.8 4.2 4.2 5.5 2.8 1.9 .6 4.6 5.9 7.7 9.5 .0 9.5 10
OTAY MESA DVN 3.3 2.6 3.5 3.5 4.6 2.5 1.8 4.1 5.3 7.6 P .0 7.6 09
PENDLETON 5.1 6.0 5.0 6.0 5.9 5.6 4.0 2.3 5.3 5.6 7.6 .0 7.6 10
15 SWSP MPH ALPINE 3.5 3.9 1.7 3.0 3.6 4.3 3.2 4.3 5.4 5.9 7.6 4.2 7.6 10
CHULA VISTA 1.9 2.0 2.9 2.7 1.5 1.3 1.2 3.4 4.7 7.3 7.6 3.3 7.6 10
DOWNTOWN SE 1.8 2.9 1.5 1.1 .7 2.0 1.9 2.7 4.7 7.5 7.6 3.1 7.6 10
EL CAJON LES 2.9 3.0 3.5 2.1 1.3 1.6 1.2 1.6 2.8 3.2 6.2 2.7 6.2 10
KEARNY MESA 3.9 4.2 4.2 5.6 2.8 2.0 2.0 5.2 6.4 8.1 10.1 5.0 10.1 10
OTAY MESA DVN 3.3 3.1 3.6 3.8 4.7 3.0 2.1 4.3 5.8 7.9 P 4.2 7.9 09
PENDLETON 5.2 6.0 5.1 6.1 5.9 5.8 4.1 3.1 5.5 5.8 7.7 5.5 7.7 10
16 AMBTEMP °F ALPINE 52.2 52.8 54.7 57.5 63.8 67.7 67.0 72.7 72.6 73.8 76.2 64.6 76.2 10
CARMEL MT RCH 57.4 55.8 54.5 54.1 53.6 54.4 58.7 63.3 68.4 72.6 74.6 60.7 74.6 10
CHULA VISTA 58.5 57.5 57.0 56.2 55.6 56.4 59.9 64.3 67.9 68.4 70.8 61.1 70.8 10
DOWNTOWN SE 59.5 59.2 57.9 56.9 56.6 57.4 59.7 64.4 68.3 70.1 71.2 61.9 71.2 10
EL CAJON LES 56.3 55.0 54.6 53.4 52.9 53.7 57.2 62.5 68.7 74.2 79.1 60.7 79.1 10
KEARNY MESA 56.1 54.8 55.4 55.4 54.7 55.3 60.9 65.0 68.9 72.4 72.4 61.0 72.4 09
OTAY MESA DVN 56.9 57.0 56.0 55.2 55.9 56.7 60.9 64.1 68.8 71.8 P 60.3 71.8 09
PENDLETON 57.7 57.3 56.9 55.5 54.9 55.6 60.2 64.0 64.9 65.6 67.2 60.0 67.2 10
Current Date: 5/19/2026 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 58.2 57.9 57.1 56.5 55.8 57.3 62.1 65.4 68.2 70.0 72.7 61.9 72.7 10
17 RELHUM % ALPINE 85 87 65 52 23 15 21 14 25 21 20 39 87 01
EL CAJON LES 79 82 82 85 86 83 77 68 54 42 35 70 86 04
KEARNY MESA 85 87 87 88 89 87 76 66 58 51 55 75 89 04
18 PRES mmHg EL CAJON LES 748 747 747 747 747 748 748 749 748 748 748 748 749 07
KEARNY MESA 749 748 748 748 748 749 749 749 749 749 749 749 749 00
19 SOLAR W/M2 EL CAJON LES -1 -1 0 -1 3 79 201 521 724 887 1002 310 1002 10
KEARNY MESA 1 1 1 1 4 112 273 551 757 911 1012 329 1012 10
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 4 12 26 38 47 54 16 54 10
25 NOY EL CAJON LES 2.57 2.75 2.29 3.04 3.99 4.89 5.66 7.69 8.31 7.73 5.12 4.91 8.31 08
26 NOY-NO EL CAJON LES 2.56 2.73 2.28 3.02 3.88 4.21 4.23 5.02 5.75 5.74 4.29 3.97 5.75 08
27 NO Trace EL CAJON LES .01 .02 .01 .02 .11 .67 1.43 2.66 2.55 1.98 .82 .93 2.66 07
28 SO2 Tr PPB EL CAJON LES .0 .0 .0 .0 C .0 .0 .0 .2 C .1 .0 .2 08
29 CO Tr PPB EL CAJON LES 143.3 152.6 153.9 172.8 C 190.7 214.5 264.5 253.9 C C 193.2 264.5 07
BCarbon ug/m3 10TH AVE MARIN < < < < < < < < < .45 .44 .45 .45 09
ALPINE .16 .13 < .09 < .04 .11 .05 .10 .09 .12 .10 .16 00
BOSTON AVE .56 .64 .48 .51 .61 .77 .78 .82 .76 .62 .58 .65 .82 07
CHICANO PARK .34 .27 .27 < .43 .54 .70 .91 .64 .61 < .52 .91 07
DOWNTOWN SE .22 < .22 .22 .29 .50 .64 .61 < .47 .41 .40 .64 06
OCEANVIEW BLV .35 < < .23 .41 .66 < .44 .47 < .38 .42 .66 05
OTAY MESA DVN 2.61 .85 .33 .73 1.37 < .67 .32 .38 .48 .40 .81 2.61 00
SAN YSIDRO .30 .29 < < .48 .79 < .94 < .34 < .52 .94 07
PM10 STD ALPINE 25.4 26.3 23.5 23.5 15.3 12.5 13.3 14.0 15.9 17.9 18.1 18.7 26.3 01
CARMEL MT RCH 24.7 24.8 24.2 26.3 25.9 25.2 29.8 34.6 40.3 41.9 45.6 31.2 45.6 10
CHULA VISTA 24.9 20.9 22.3 19.9 22.3 23.0 36.7 39.5 47.7 44.3 44.0 31.4 47.7 08
DOWNTOWN SE 25.8 26.0 24.8 28.0 28.6 29.6 38.4 43.1 46.8 47.5 41.5 34.5 47.5 09
EL CAJON LES 25.4 24.2 23.1 23.2 23.7 23.6 27.8 37.4 39.5 37.2 42.5 29.7 42.5 10
KEARNY MESA 24.7 24.1 26.1 26.4 27.8 26.9 37.7 50.0 46.9 50.9 48.9 35.4 50.9 09
OTAY MESA DVN 58.7 102.2 37.4 44.3 56.6 65.0 91.4 38.7 44.2 48.6 P 58.7 102.2 01
PENDLETON 29.2 27.3 29.0 26.5 28.9 29.0 35.2 42.8 37.6 33.6 35.7 32.2 42.8 07
SAN YSIDRO 23.6 25.6 41.6 42.6 31.7 35.2 76.8 55.8 48.2 53.5 51.8 44.2 76.8 06
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00