Current Date: 1/31/2026 8:09 PM
Daily Parameter Report
1/31/2026
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 .047 .047 C C .045 .044 .045 .045 .044 .045 .047 .048 .048 .046 .047 .047 .047 .046 .044 .047 .046 .048 11
CHULA VISTA .016 .016 C C .025 .023 .027 .025 .028 .024 .035 .041 .048 .054 .055 .057 .050 .032 .016 .007 .032 .057 15
DOWNTOWN SE .001 .001 C C .015 .014 .011 .021 .025 .029 .037 .046 .038 .042 .047 .052 .049 .039 .017 .007 .027 .052 15
EL CAJON LES .005 .003 C C C .002 .002 .004 .009 .018 .027 .044 .050 .052 .054 .061 .052 .035 .021 .014 .026 .061 15
KEARNY MESA .034 .032 C C .028 .031 .030 .029 .032 .037 .043 .049 .051 .056 .058 .052 .050 .042 .032 .038 .040 .058 14
OTAY MESA DVN .045 .045 C C .044 .031 .041 .039 .031 .032 .044 .052 .053 .055 .059 .063 .063 .052 .051 .047 .047 .063 15
PENDLETON .022 .024 C C .031 .029 .026 .027 .029 .033 .041 .041 .037 .043 .049 .051 .048 .045 .031 .034 .035 .051 15
03 NO2 PPB ALPINE 1.3 1.3 C C 1.6 1.8 1.7 2.2 2.4 2.4 1.2 1.3 1.3 .9 .8 1.0 1.1 3.5 3.5 1.2 1.6 3.5 17
CARMEL MT RCH 20.8 18.9 C C 12.7 23.9 35.9 27.5 27.5 15.5 7.6 5.8 1.7 6.3 4.4 8.6 18.9 18.4 2.8 9.3 14.8 35.9 06
CHULA VISTA 19.9 18.0 C C 10.9 12.0 10.9 11.6 11.9 10.8 12.7 12.5 6.6 6.0 8.0 7.5 11.5 22.2 32.4 39.9 14.7 39.9 19
DOWNTOWN SE 35.1 36.2 C C 17.0 18.0 21.7 14.6 12.5 10.0 7.3 3.9 18.1 18.3 15.2 9.7 7.8 16.3 31.7 40.9 18.5 40.9 19
EL CAJON LES 20.6 20.1 C C C 16.8 16.8 15.5 18.6 17.8 14.8 6.2 3.3 2.0 2.2 3.5 5.1 12.3 18.9 22.1 12.7 22.1 19
KEARNY MESA 6.1 7.5 C C 8.2 6.4 7.8 7.8 5.4 5.0 3.1 1.5 2.2 3.8 3.0 3.4 3.6 7.6 14.4 9.2 5.8 14.4 18
OTAY MESA DVN 3.7 2.4 C C 4.2 13.3 5.8 8.5 17.3 21.6 9.3 1.7 1.5 1.4 2.3 5.0 4.4 7.2 6.7 7.7 6.8 21.6 09
PENDLETON 10.4 7.7 C C 4.0 4.8 6.2 5.4 5.0 4.2 2.5 3.2 4.6 5.2 5.7 7.5 10.1 11.8 23.5 14.6 7.5 23.5 18
SAN YSIDRO 30.7 29.2 C C 26.4 27.0 32.4 37.6 48.7 50.7 39.1 25.0 20.4 10.7 6.8 8.1 11.4 31.6 40.8 39.8 28.6 50.7 09
06 CO PPM CARMEL MT RCH .6 .5 C C .3 .5 .9 .8 1.0 .6 .4 .3 .1 .3 .3 .4 .9 .8 .2 .3 .5 1.0 08
SAN YSIDRO 1.0 1.0 C C .9 .6 1.0 1.4 1.9 1.4 .9 .6 .5 .4 .3 .3 .4 .8 1.5 1.2 .9 1.9 08
07 H2S PPB IB CIVIC CTR 1.7 1.9 1.3 3.6 8.2 2.0 4.2 5.4 5.9 4.2 2.5 1.8 1.2 1.0 .9 1.0 1.2 1.4 13.7 45.3 5.4 45.3 19
NESTOR - BES 5.9 3.8 2.4 11.7 5.4 3.4 6.1 6.6 6.3 3.8 2.7 1.9 1.1 .7 .9 .8 .9 35.4 53.7 37.3 9.5 53.7 18
SAN YSIDRO 1.7 1.9 2.7 3.6 2.0 1.3 2.5 5.2 7.3 4.6 2.3 1.2 1.1 .8 2.8 .6 1.1 10.0 5.6 2.7 3.0 10.0 17
10 INTMP °C ALPINE 27 26 27 27 27 27 27 27 26 26 25 25 25 25 25 25 25 25 25 26 26 27 00
CARMEL MT RCH 26 26 27 27 27 26 27 27 26 26 26 26 26 26 26 26 26 26 26 26 26 27 02
CHULA VISTA 24 25 25 25 25 25 25 25 25 24 24 24 24 24 24 23 23 24 23 24 24 25 01
DOWNTOWN SE 26 26 26 26 26 26 26 26 26 25 25 24 24 25 25 25 25 24 24 25 25 26 00
EL CAJON LES 26 26 26 27 27 27 27 27 27 27 26 26 26 26 26 26 26 26 26 26 26 27 03
IB CIVIC CTR 28 28 28 28 28 28 28 28 26 24 21 22 22 21 23 23 24 25 26 26 25 28 00
KEARNY MESA 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 00
NESTOR - BES 26 25 24 24 23 24 24 25 23 22 22 24 25 25 24 22 22 23 24 25 24 26 00
OTAY MESA DVN 27 27 27 27 26 27 27 27 27 27 26 26 26 25 25 25 24 24 25 26 26 27 00
PENDLETON 25 25 25 25 24 24 24 24 24 25 25 24 24 24 24 25 25 25 26 26 25 26 18
SAN YSIDRO 23 23 23 23 22 22 22 22 22 22 23 24 25 25 25 24 25 25 25 25 24 25 12
11 PM2.5 µg/M3 ALPINE 2.3 2.2 2.5 2.8 2.8 2.9 2.9 2.7 2.5 2.4 2.4 2.6 2.8 3.5 3.9 3.7 3.7 3.8 3.5 3.4 2.9 3.9 14
CARMEL MT RCH 3.1 3.1 3.7 3.8 3.4 3.3 3.6 3.5 3.7 3.3 2.8 2.7 2.9 3.3 3.5 3.8 4.5 4.2 3.4 3.3 3.4 4.5 16
CHULA VISTA 4.6 4.3 4.4 4.4 4.9 4.9 6.2 5.1 3.6 3.9 6.1 6.1 4.1 3.6 4.9 4.1 4.2 6.5 9.4 12.0 5.3 12.0 19
DOWNTOWN SE 10.8 11.8 10.4 8.9 6.5 5.9 5.1 4.6 5.3 5.1 3.9 3.4 4.6 5.0 4.7 3.8 4.1 5.4 6.5 8.6 6.2 11.8 01
EL CAJON LES 12.1 9.5 7.9 7.4 7.7 7.5 7.2 7.3 9.2 7.9 6.3 3.7 3.1 2.9 3.1 3.8 3.6 5.4 9.2 10.4 6.7 12.1 00
KEARNY MESA 4.0 3.7 4.1 4.7 4.7 3.8 3.6 3.8 3.6 3.6 3.5 3.1 3.3 4.7 4.5 4.5 4.9 4.7 4.7 4.5 4.1 4.9 16
Current Date: 1/31/2026 8:09 PM
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 3.3 3.1 2.9 4.4 3.4 9.3 6.0 8.8 9.8 16.1 6.2 3.0 2.9 2.8 3.1 4.3 4.4 6.4 7.1 6.2 5.6 16.1 09
PENDLETON 4.5 4.1 4.0 3.8 3.7 3.7 3.5 3.4 3.3 3.1 2.9 4.1 7.0 6.8 7.6 7.5 7.4 7.9 9.2 7.2 5.2 9.2 18
SAN YSIDRO 10.1 11.0 13.4 12.9 10.8 7.0 14.7 29.9 38.8 33.6 17.2 10.5 9.5 5.8 5.3 5.3 5.1 10.0 19.3 12.1 14.1 38.8 08
12 VWDR ° ALPINE 273 298 3 50 11 19 61 34 18 349 310 296 298 99 98 111 119 280 291 338 0 349 09
CHULA VISTA 98 65 60 82 51 90 97 98 90 338 202 327 342 310 283 303 338 241 110 104 0 342 12
DOWNTOWN SE 124 344 5 45 16 45 36 35 39 22 209 99 248 288 286 303 342 4 321 31 0 344 01
EL CAJON LES 122 177 100 236 116 319 145 184 271 295 290 266 310 304 291 272 275 89 129 189 0 319 05
KEARNY MESA 87 20 70 48 74 64 57 62 61 105 133 229 264 292 303 307 328 346 36 91 0 346 17
OTAY MESA DVN 39 19 17 11 104 84 48 95 83 146 159 301 328 308 280 286 267 69 40 41 0 328 12
PENDLETON 27 76 54 61 65 63 44 63 63 64 35 355 283 308 272 273 200 221 85 64 0 355 11
13 SIGTHETA ° ALPINE 48 54 30 52 11 30 25 21 19 29 29 31 57 30 26 17 39 36 55 47 34 57 12
CHULA VISTA 46 44 25 19 22 35 13 30 28 65 50 43 39 34 18 21 34 66 58 31 36 66 17
DOWNTOWN SE 56 19 35 45 53 50 78 19 47 42 65 67 31 27 22 24 19 27 52 46 41 78 06
EL CAJON LES 54 45 24 60 22 61 38 62 47 60 69 50 46 37 71 17 25 33 57 49 46 71 14
KEARNY MESA 13 39 33 19 9 5 6 9 13 24 67 44 37 43 10 10 10 34 14 17 23 67 10
OTAY MESA DVN 41 40 16 24 32 20 17 35 45 12 18 44 30 33 16 17 18 38 23 53 29 53 19
PENDLETON 10 5 9 11 13 10 12 11 9 11 13 38 20 16 19 28 22 42 14 21 17 42 17
14 VWSP MPH ALPINE 2.0 1.4 2.7 1.0 2.9 1.4 1.2 1.3 1.8 2.4 3.4 3.3 2.2 5.5 5.5 5.8 3.1 2.5 1.1 1.6 .0 5.8 15
CHULA VISTA 2.2 1.6 2.3 2.1 3.3 3.5 6.5 2.6 3.6 .9 1.3 2.2 2.9 3.7 7.0 5.0 1.9 .3 .9 1.7 .0 7.0 14
DOWNTOWN SE .6 3.0 1.3 1.8 1.8 1.6 .8 3.6 2.4 1.9 .8 .3 3.3 4.8 6.4 5.6 4.8 1.9 1.1 1.3 .0 6.4 14
EL CAJON LES .9 1.1 2.3 1.4 2.1 .1 .8 .3 .9 .7 .7 1.6 2.1 3.2 2.0 6.3 3.0 1.2 1.4 .7 .0 6.3 15
KEARNY MESA 3.8 2.3 2.6 6.1 5.8 6.6 6.6 5.4 5.0 3.7 1.2 1.2 3.3 6.4 9.1 7.9 6.3 3.2 5.4 3.8 .0 9.1 14
OTAY MESA DVN 1.8 4.2 5.7 3.9 2.6 3.7 3.7 1.9 .4 4.3 5.9 3.1 4.7 3.8 6.7 6.2 3.1 2.5 3.9 1.5 .0 6.7 14
PENDLETON 6.4 7.1 6.3 6.7 9.8 7.8 6.5 7.6 9.2 9.2 9.0 2.2 4.6 6.4 4.0 4.0 3.6 1.6 4.1 2.7 .0 9.8 04
15 SWSP MPH ALPINE 2.7 2.8 3.0 1.6 3.0 1.6 1.3 1.4 1.9 2.7 3.7 3.7 3.2 6.0 6.0 6.1 4.2 3.3 2.3 2.4 3.1 6.1 15
CHULA VISTA 3.0 2.0 2.4 2.3 3.6 4.2 6.7 2.9 3.9 1.6 2.7 3.2 3.5 5.2 7.4 5.4 2.3 1.4 1.7 2.2 3.4 7.4 14
DOWNTOWN SE 1.9 3.1 1.7 2.3 2.6 2.7 1.6 3.8 2.7 2.5 1.8 2.5 4.0 5.2 6.8 6.1 5.4 2.2 1.5 1.8 3.1 6.8 14
EL CAJON LES 1.8 1.9 2.5 2.1 2.3 1.0 1.5 .7 1.2 1.3 1.3 2.2 2.7 3.9 3.5 6.6 3.9 1.9 2.6 1.7 2.3 6.6 15
KEARNY MESA 4.0 2.5 2.9 6.5 6.0 6.6 6.6 5.5 5.1 3.9 2.3 3.0 3.9 7.0 9.3 8.1 6.4 3.4 5.6 4.8 5.2 9.3 14
OTAY MESA DVN 3.7 4.8 5.9 4.4 3.7 4.9 4.5 2.4 1.4 4.4 6.1 4.9 5.2 4.7 7.3 6.6 3.3 3.1 4.4 2.3 4.4 7.3 14
PENDLETON 6.6 7.1 6.5 7.0 10.0 8.0 6.7 7.8 9.3 9.3 9.4 4.6 5.0 6.7 4.5 5.1 3.9 2.2 4.3 2.9 6.3 10.0 04
16 AMBTEMP °F ALPINE 66.1 64.6 63.2 64.3 63.5 63.3 64.4 65.6 68.3 71.7 73.8 75.2 77.4 81.0 81.0 79.3 76.1 71.2 69.5 69.5 70.5 81.0 13
CARMEL MT RCH 65.3 63.9 63.6 60.8 59.8 60.0 59.1 60.5 65.1 73.0 78.5 82.1 83.9 84.8 85.6 83.0 75.8 74.1 73.9 73.6 71.3 85.6 14
CHULA VISTA 58.3 56.4 56.2 56.4 59.0 57.9 61.2 60.7 66.6 72.0 79.8 80.8 82.8 83.8 81.1 80.2 80.0 75.8 69.8 66.4 69.3 83.8 13
DOWNTOWN SE 55.8 56.4 54.7 53.9 55.7 54.1 52.9 60.5 70.0 76.0 83.3 86.4 87.7 87.6 84.1 82.7 79.6 72.5 67.3 65.2 69.3 87.7 12
EL CAJON LES 51.7 50.2 48.9 48.3 47.4 45.9 45.1 47.1 54.4 63.3 72.1 79.6 83.7 86.3 87.2 85.5 80.5 72.6 66.4 63.0 64.0 87.2 14
KEARNY MESA 60.8 61.1 58.0 56.4 57.3 58.3 57.9 60.4 68.2 74.5 78.3 80.6 82.0 81.9 80.1 75.5 72.4 69.7 67.2 67.1 68.4 82.0 12
OTAY MESA DVN 66.7 64.5 65.2 65.0 66.1 59.8 63.0 64.3 69.0 74.1 78.9 82.2 83.0 84.1 84.6 79.4 78.3 75.3 72.3 70.5 72.3 84.6 14
PENDLETON 58.3 57.6 56.9 54.9 60.1 57.9 56.3 57.2 63.6 72.0 78.1 77.8 67.2 68.1 68.0 67.9 67.0 65.9 65.3 65.1 64.3 78.1 10
Current Date: 1/31/2026 8:09 PM
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 56.1 54.5 52.5 51.4 51.1 54.7 54.7 58.6 64.6 72.2 78.8 83.6 84.3 84.3 81.3 80.4 79.3 74.0 68.9 65.4 67.5 84.3 12
17 RELHUM % ALPINE 19 20 23 21 21 21 20 20 19 17 16 15 15 11 11 11 12 17 15 15 17 23 02
EL CAJON LES 60 64 67 68 71 76 78 74 56 40 29 18 14 14 15 17 20 28 38 43 45 78 06
KEARNY MESA 37 35 40 44 42 39 39 38 32 25 20 16 16 20 21 32 31 33 38 35 32 44 03
18 PRES mmHg EL CAJON LES 753 753 753 753 754 754 754 754 754 753 753 752 751 750 749 749 750 750 750 750 752 754 04
KEARNY MESA 754 754 754 754 754 754 754 754 754 754 754 753 752 751 751 751 751 751 751 751 753 754 00
19 SOLAR W/M2 EL CAJON LES 0 0 0 0 0 0 4 56 178 398 604 693 693 621 486 304 103 -4 -5 -3 206 693 11
KEARNY MESA 1 1 1 1 1 1 5 111 317 507 646 700 713 642 511 330 126 7 1 1 231 713 12
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 5 13 21 30 34 34 30 22 14 5 0 0 0 10 34 11
25 NOY EL CAJON LES 22.33 22.25 18.23 20.87 24.34 C C 35.91 39.71 30.53 21.97 8.58 5.04 3.69 3.97 5.62 6.31 10.99 17.47 20.47 17.68 39.71 08
26 NOY-NO EL CAJON LES 21.33 20.72 17.10 18.55 20.18 C C 16.98 18.92 17.64 14.40 6.68 4.15 3.19 3.65 5.26 6.05 10.95 17.33 19.91 13.49 21.33 00
27 NO Trace EL CAJON LES .99 1.52 1.13 2.32 4.15 C C 18.92 20.79 12.88 7.56 1.89 .88 .50 .32 .35 .25 .03 .13 .55 4.17 20.79 08
28 SO2 Tr PPB EL CAJON LES .1 .1 C C C .1 .1 .2 .2 .2 .1 .1 .0 .1 .1 .2 .1 .1 .2 .2 .1 .2 07
29 CO Tr PPB EL CAJON LES 579.8 581.2 C C C 554.3 540.2 677.3 736.1 612.3 490.8 260.0 194.4 173.4 191.5 245.2 234.4 442.6 529.3 593.2 449.1 736.1 08
BCarbon ug/m3 10TH AVE MARIN < 2.82 2.13 < 1.71 1.44 1.22 1.44 1.62 1.57 3.12 4.16 2.02 2.03 1.16 1.37 1.40 1.00 2.24 1.70 1.90 4.16 11
ALPINE .08 .09 .14 .17 .18 .21 .23 .16 < < .11 < < < < < < < < .09 .15 .23 06
BOSTON AVE 2.06 1.85 1.26 1.05 .79 .91 1.00 .88 .74 .63 .73 .48 .67 .86 .74 .69 .58 .76 1.26 2.25 1.01 2.25 19
CHICANO PARK 1.61 1.42 1.16 .85 .71 .81 .78 .78 .74 1.01 .88 < < < < < .56 .86 < 1.40 .97 1.61 00
DOWNTOWN SE 1.64 < < 1.14 < < .81 .72 .57 < .38 < < .67 .59 .38 .30 .39 .77 1.16 .73 1.64 00
OCEANVIEW BLV 1.69 1.28 .91 1.19 .88 < 1.33 .49 .41 .41 < .24 .24 .61 .51 < .86 4.27 1.41 2.03 1.10 4.27 17
OTAY MESA DVN .17 .13 .21 .41 .20 1.08 .28 .43 .98 1.53 .72 .16 .17 .13 .16 .30 .26 .48 .44 .40 .43 1.53 09
SAN YSIDRO 1.41 1.57 < 1.98 < < 2.27 4.97 6.38 4.43 2.50 1.37 1.05 .44 .35 .38 .40 .87 1.05 < 1.96 6.38 08
PM10 STD ALPINE 8.9 7.6 11.4 10.3 11.1 11.0 11.3 10.2 11.9 9.8 9.6 10.0 10.6 18.9 21.9 19.8 15.9 16.7 17.2 17.5 13.0 21.9 14
CARMEL MT RCH 10.0 10.8 12.5 13.3 13.1 11.0 15.4 13.5 15.0 13.3 11.3 11.6 15.0 16.1 21.2 19.3 19.1 17.4 15.7 12.6 14.3 21.2 14
CHULA VISTA 13.3 14.3 15.0 17.7 22.7 20.4 26.0 25.7 17.4 21.8 47.9 42.3 26.3 16.5 27.1 20.1 19.0 24.5 32.1 38.3 24.4 47.9 10
DOWNTOWN SE 32.6 34.0 30.3 25.4 24.9 20.9 17.1 19.6 18.0 18.9 13.9 14.5 17.3 22.7 24.3 20.1 20.5 22.4 29.2 27.5 22.7 34.0 01
EL CAJON LES 30.5 25.5 21.9 21.2 19.7 17.9 20.6 19.3 27.5 25.7 23.5 14.4 12.5 14.5 17.1 18.6 17.1 24.2 30.3 31.9 21.6 31.9 19
KEARNY MESA 16.0 15.8 18.7 20.6 19.1 17.8 14.2 17.7 16.3 16.4 15.3 17.1 16.9 26.8 21.6 20.6 27.9 31.3 22.7 22.5 19.7 31.3 17
OTAY MESA DVN 21.8 20.7 13.3 20.3 21.0 37.1 48.7 78.1 76.3 94.3 62.2 21.3 17.2 17.4 15.8 24.8 28.9 51.0 51.8 40.4 38.1 94.3 09
PENDLETON 16.0 16.9 15.6 16.1 18.7 15.4 12.1 14.5 12.4 15.9 14.7 18.4 34.6 23.8 27.0 25.8 23.1 24.5 25.3 22.1 19.6 34.6 12
SAN YSIDRO 43.0 37.3 42.5 42.9 43.9 37.1 62.1 117.2 164.1 150.2 90.4 64.4 53.6 32.2 31.7 26.0 24.6 44.6 58.7 44.5 60.5 164.1 08
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00