Current Date: 4/5/2026 10:09 PM
Daily Parameter Report
4/5/2026
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 .058 C C .057 .052 .052 .049 .043 .049 .052 .053 .057 .062 .062 .061 .061 .060 .059 .055 .049 .050 .053 .054 .062 12
CHULA VISTA .014 C C .031 .031 .020 .025 .026 .036 .045 .051 .059 .055 .055 .060 .062 .061 .060 .057 .052 .052 .049 .045 .062 15
DOWNTOWN SE .008 C C .023 .023 .016 .021 .029 .020 .030 .042 .055 .048 .051 .057 .058 .052 .047 .043 .046 .041 .041 .037 .058 15
EL CAJON LES .021 C C C .015 .013 .013 .021 .033 .047 .055 .061 .064 .062 .062 .062 .060 .056 .049 .044 .040 .035 .042 .064 12
KEARNY MESA .042 C C .039 .037 .038 .032 .040 .040 .051 .059 .060 .063 .062 .061 .063 .063 .059 .055 .049 .040 .036 .049 .063 12
OTAY MESA DVN .035 C C .034 .031 .039 .037 .034 .041 .049 .058 .061 .062 .061 .062 .064 .063 .061 .057 .052 .049 .044 .049 .064 15
PENDLETON .032 C C .031 .031 .028 .033 .035 .032 .044 .049 .053 .051 .058 .061 .057 .055 .056 .052 .053 .055 .047 .045 .061 14
03 NO2 PPB ALPINE 1.2 C C 1.0 1.2 1.3 2.1 3.7 2.9 1.6 1.8 1.6 1.7 1.8 1.3 1.8 2.9 3.4 4.6 5.8 4.2 2.9 2.4 5.8 19
CARMEL MT RCH 24.7 C C 14.1 15.3 20.0 18.7 16.4 14.8 9.2 8.0 8.9 6.0 5.6 5.9 6.6 8.6 9.0 14.1 16.4 15.4 15.3 12.6 24.7 00
CHULA VISTA 13.0 C C 4.9 6.0 13.0 9.7 9.1 6.0 5.6 5.9 3.3 2.0 2.1 2.0 2.0 2.9 2.1 2.8 4.4 3.7 3.6 5.2 13.0 00
DOWNTOWN SE 21.1 C C 9.9 10.5 15.2 13.0 10.2 23.7 21.6 15.8 5.6 9.1 7.5 4.3 4.9 9.6 12.6 12.5 8.2 11.2 8.2 11.7 23.7 08
EL CAJON LES 9.4 C C C 9.0 9.5 10.0 9.6 7.6 3.5 3.2 2.1 1.9 1.3 1.1 1.8 2.9 4.6 7.4 8.1 7.1 8.9 5.7 10.0 06
KEARNY MESA 4.5 C C 3.2 5.7 5.1 6.4 4.1 5.4 3.2 2.4 1.3 .9 .9 .8 1.0 1.2 2.3 2.9 6.0 10.4 11.7 3.9 11.7 21
OTAY MESA DVN 7.7 C C 9.4 9.3 6.2 9.8 11.9 11.2 7.5 4.2 2.7 1.8 1.7 2.0 1.6 1.5 2.0 3.0 3.0 3.8 7.7 5.4 11.9 07
PENDLETON 5.7 C C 3.4 3.7 2.9 2.9 2.8 3.6 2.2 1.3 1.3 1.1 2.8 1.5 1.6 1.7 1.3 1.5 2.1 2.2 4.1 2.4 5.7 00
SAN YSIDRO 12.5 C C 28.4 23.7 20.9 23.2 27.5 22.2 11.9 10.2 4.4 2.4 2.2 2.4 2.6 3.6 4.5 4.5 9.5 10.2 8.0 11.7 28.4 03
06 CO PPM CARMEL MT RCH .7 C C .4 .4 .7 .8 .9 .8 .4 .4 .5 .5 .4 .4 .4 .4 .4 .6 .6 .5 .4 .5 .9 07
SAN YSIDRO .4 C C .8 .7 .6 .8 .8 .7 .4 .4 .3 .2 .2 .2 .2 .2 .2 .2 .4 .4 .3 .4 .8 03
07 H2S PPB IB CIVIC CTR 1.6 1.2 1.1 1.3 1.5 1.6 1.5 1.4 17.8 9.1 1.8 .5 .3 .4 .4 .6 1.1 1.3 3.9 3.9 1.9 15.3 3.1 17.8 08
NESTOR - BES 61.5 25.0 2.3 5.0 6.6 2.2 3.1 3.2 17.6 15.0 6.8 1.7 .7 1.2 .8 1.3 4.1 3.9 3.8 35.6 51.6 143.2 18.0 143.2 21
SAN YSIDRO 2.1 3.0 3.8 4.7 4.4 3.5 4.3 5.7 5.8 3.9 10.8 3.5 3.0 3.5 2.8 5.0 4.1 3.5 3.7 3.5 19.5 7.8 5.0 19.5 20
10 INTMP °C ALPINE 27 27 27 26 27 27 27 26 25 25 24 25 24 25 24 25 25 25 25 25 26 26 26 27 00
CARMEL MT RCH 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 00
CHULA VISTA 25 25 25 24 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 24 24 23 23 23 24 24 24 24 24 24 24 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 25 25 26 26 26 00
KEARNY MESA 24 24 24 24 23 23 23 23 24 25 25 24 25 25 25 25 25 25 25 25 24 25 24 25 09
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 27 26 26 26 26 26 26 26 26 26 27 27 27 27 00
PENDLETON 26 26 26 25 24 24 24 24 25 25 25 25 25 25 25 25 25 25 26 26 26 26 25 26 00
SAN YSIDRO 26 26 26 26 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 26 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 25 23 23 23 23 23 24 25 25 26 26 26 26 26 25 27 00
NESTOR - BES 27 26 26 26 26 26 26 25 25 24 24 24 24 24 24 25 25 25 25 25 26 26 25 27 00
11 PM2.5 µg/M3 ALPINE 2.3 2.1 2.1 2.1 1.5 1.3 1.3 1.6 1.2 1.1 1.5 1.7 1.7 2.5 1.8 2.0 3.1 3.6 3.9 4.0 3.8 3.5 2.2 4.0 19
CARMEL MT RCH 4.6 4.7 4.1 4.0 3.9 3.6 3.4 3.1 2.9 3.0 3.0 3.6 3.1 3.2 3.3 3.6 3.4 3.2 3.7 4.1 4.4 4.2 3.6 4.7 01
CHULA VISTA 7.2 6.8 7.0 4.7 4.7 7.1 5.3 4.1 7.0 6.1 4.4 6.1 5.4 5.4 4.4 3.9 4.4 4.9 4.8 5.2 6.8 6.2 5.5 7.2 00
DOWNTOWN SE 10.8 9.4 6.7 5.4 4.0 3.9 3.8 3.6 4.9 6.8 7.4 5.8 5.4 4.2 4.2 4.1 4.8 5.4 5.6 5.7 6.1 6.0 5.6 10.8 00
EL CAJON LES 5.5 4.6 4.8 4.8 4.8 4.4 4.7 4.6 4.0 2.7 2.2 2.3 3.6 2.8 2.6 2.9 3.2 3.6 4.6 5.5 6.2 7.7 4.1 7.7 21
KEARNY MESA 3.7 3.9 3.8 3.5 3.1 2.8 2.8 2.3 2.8 3.5 4.5 3.8 3.2 3.3 3.2 3.5 3.3 3.2 3.5 3.8 3.9 3.8 3.4 4.5 10
Current Date: 4/5/2026 10:09 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 17.2 17.2 23.5 10.9 16.2 13.3 11.3 12.6 9.3 6.3 4.9 3.7 4.4 3.9 3.9 3.6 3.1 3.4 4.5 5.9 6.0 9.4 8.8 23.5 02
PENDLETON 5.1 4.1 4.1 4.3 3.8 3.3 3.0 3.0 3.7 5.3 4.6 4.5 4.9 5.3 4.9 4.1 4.5 5.4 5.5 8.2 9.7 6.3 4.8 9.7 20
SAN YSIDRO 7.7 11.0 20.0 28.6 30.9 24.8 24.3 24.1 22.8 12.3 19.3 10.8 6.7 5.4 4.8 4.3 4.9 5.6 5.7 18.5 7.9 7.0 13.9 30.9 04
12 VWDR ° ALPINE 68 67 37 76 106 79 97 108 252 263 280 271 267 278 277 257 255 257 301 102 83 60 0 301 18
CHULA VISTA 101 63 84 104 44 70 89 167 256 273 268 258 259 257 248 267 249 248 244 252 247 141 0 273 09
DOWNTOWN SE 12 27 35 29 40 344 18 327 217 221 256 269 264 270 258 247 229 199 186 194 155 97 0 344 05
EL CAJON LES 93 92 178 269 175 225 128 276 327 305 286 244 253 255 258 260 244 224 190 157 123 202 0 327 08
KEARNY MESA 37 47 51 53 60 19 67 65 192 221 252 286 289 304 295 294 292 281 304 300 9 47 0 304 13
OTAY MESA DVN 44 326 115 132 87 37 83 207 243 298 288 281 286 282 281 283 281 278 313 36 335 332 0 335 20
PENDLETON 60 55 55 50 50 40 55 56 231 254 260 267 257 267 271 232 184 169 163 163 170 104 0 271 14
13 SIGTHETA ° ALPINE 19 35 26 25 14 26 17 18 35 29 33 34 35 26 25 28 31 22 48 49 31 20 28 49 19
CHULA VISTA 24 40 36 26 57 25 34 61 57 34 23 18 19 21 17 22 20 19 28 26 20 16 29 61 07
DOWNTOWN SE 43 55 14 57 32 51 46 23 54 26 35 24 21 19 30 26 30 18 20 14 24 20 31 57 03
EL CAJON LES 54 56 60 37 41 44 40 58 45 61 52 26 23 25 24 25 21 25 26 31 17 48 38 61 09
KEARNY MESA 19 7 4 5 6 11 14 27 25 25 29 17 14 13 14 16 13 10 9 43 24 13 16 43 19
OTAY MESA DVN 21 46 43 18 20 34 47 37 35 21 24 11 12 16 14 12 11 10 18 44 43 40 26 47 06
PENDLETON 7 7 7 8 9 14 10 12 32 13 17 16 12 14 15 13 14 8 8 7 8 28 13 32 08
14 VWSP MPH ALPINE 1.6 .6 1.1 1.7 2.5 2.4 2.2 2.1 1.7 3.9 4.1 4.6 5.3 7.3 6.7 5.6 3.5 3.0 .7 1.3 1.0 .9 .0 7.3 13
CHULA VISTA 1.1 1.2 1.3 2.9 .8 1.7 1.5 .4 1.0 2.9 5.1 7.7 7.8 7.1 8.3 5.7 5.1 4.0 1.7 1.5 1.8 1.3 .0 8.3 14
DOWNTOWN SE .4 .9 3.2 1.5 1.0 1.1 1.8 1.1 1.5 3.6 4.1 6.8 7.5 8.2 6.1 4.7 4.1 4.3 2.3 2.5 1.3 1.7 .0 8.2 13
EL CAJON LES .7 .3 .2 .6 .2 .5 .9 .8 .7 .6 2.9 5.8 7.6 6.6 7.0 6.3 5.6 3.5 3.1 1.3 1.3 .6 .0 7.6 12
KEARNY MESA 2.8 4.8 6.3 7.0 4.9 4.0 3.1 1.6 2.9 3.7 4.7 10.0 12.2 11.9 10.5 8.1 6.2 4.9 4.6 1.5 1.7 2.6 .0 12.2 12
OTAY MESA DVN 1.5 .8 1.1 2.3 2.1 1.6 1.2 1.2 .3 4.1 5.9 11.2 10.8 8.6 10.1 9.7 8.7 6.0 3.4 1.2 1.0 1.5 .0 11.2 11
PENDLETON 5.7 6.0 6.9 7.1 6.9 6.8 6.1 4.9 1.1 4.3 5.0 5.2 9.0 5.5 4.5 5.5 6.3 8.3 5.4 5.3 5.0 1.3 .0 9.0 12
15 SWSP MPH ALPINE 1.7 1.1 1.2 1.9 2.6 3.0 2.3 2.2 2.6 4.5 5.0 5.3 6.4 7.9 7.3 6.3 4.0 3.2 1.1 1.5 1.1 1.5 3.4 7.9 13
CHULA VISTA 1.2 1.3 1.5 3.1 1.1 1.8 1.8 1.2 1.6 3.3 5.5 8.4 8.3 7.9 8.7 6.1 5.4 4.2 1.9 1.6 1.9 2.0 3.6 8.7 14
DOWNTOWN SE 1.0 1.1 3.2 1.9 2.0 1.4 2.4 1.9 1.9 4.0 4.9 7.4 8.0 8.8 6.9 5.3 4.7 4.5 2.4 2.6 1.4 1.9 3.6 8.8 13
EL CAJON LES 1.1 .7 .5 .9 1.4 1.0 1.3 1.1 1.9 2.0 3.8 6.4 8.4 7.2 7.7 6.9 6.0 4.4 3.5 1.8 1.4 1.2 3.2 8.4 12
KEARNY MESA 3.0 4.9 6.3 7.0 5.0 4.2 3.4 3.0 3.7 4.2 5.4 10.5 12.6 12.3 11.2 8.6 6.4 4.9 4.7 1.8 2.0 2.8 5.8 12.6 12
OTAY MESA DVN 1.9 1.1 1.3 2.4 3.9 3.1 1.9 1.8 2.3 4.4 6.5 11.4 11.0 9.0 10.4 10.0 8.9 6.1 3.9 2.0 2.0 1.9 4.9 11.4 11
PENDLETON 5.8 6.1 7.0 7.2 7.1 7.2 6.3 4.9 2.9 4.4 5.2 5.4 9.1 5.6 4.8 5.8 6.5 8.3 5.4 5.3 5.1 2.5 5.8 9.1 12
16 AMBTEMP °F ALPINE 65.4 64.2 65.6 64.8 62.6 62.7 64.2 69.8 75.3 76.9 78.3 80.8 81.8 81.0 79.8 77.6 73.5 69.6 66.7 65.1 65.2 65.3 70.7 81.8 12
CARMEL MT RCH 59.9 58.0 57.1 56.0 55.3 55.5 58.0 64.0 70.4 76.7 81.0 82.5 80.5 79.3 79.2 77.5 74.4 72.5 68.1 67.0 66.5 65.3 68.4 82.5 11
CHULA VISTA 58.7 58.0 57.8 56.9 57.4 56.1 58.3 64.8 69.2 73.7 76.5 74.4 73.1 72.9 72.8 72.6 71.3 68.5 67.1 66.6 65.7 64.5 66.2 76.5 10
DOWNTOWN SE 60.1 59.3 59.4 58.4 57.9 56.7 59.3 64.8 69.0 74.3 78.0 76.9 75.8 76.2 75.0 74.1 73.5 69.3 67.5 66.5 66.1 65.1 67.4 78.0 10
EL CAJON LES 57.9 56.0 54.5 52.7 51.4 51.1 52.9 59.8 67.5 76.4 83.2 85.4 85.3 85.8 85.5 81.9 78.4 74.9 70.9 68.7 67.6 66.5 68.8 85.8 13
KEARNY MESA 58.6 58.3 57.6 58.1 57.7 57.3 57.7 68.9 71.7 75.3 79.9 81.5 80.0 79.2 78.2 75.4 73.3 71.6 67.7 66.0 65.1 64.0 68.3 81.5 11
OTAY MESA DVN 62.4 61.7 61.5 60.2 58.4 58.1 62.2 67.0 71.3 77.7 82.1 80.8 77.0 77.1 76.9 73.9 72.1 70.2 66.6 65.8 65.4 63.7 68.7 82.1 10
PENDLETON 58.9 57.6 55.8 54.3 54.6 53.1 57.2 63.2 67.6 66.7 67.9 68.4 69.6 69.8 69.9 69.5 69.1 67.5 66.9 66.2 65.9 65.2 63.9 69.9 14
Current Date: 4/5/2026 10:09 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 58.7 57.4 56.3 55.9 56.1 56.1 59.2 65.8 69.3 75.9 77.3 74.9 74.6 74.5 74.0 73.4 72.6 69.3 67.9 67.4 66.3 65.0 66.7 77.3 10
17 RELHUM % ALPINE 19 19 18 19 16 15 16 18 12 12 13 9 10 13 12 14 28 37 41 42 40 39 21 42 19
EL CAJON LES 54 56 61 62 63 62 60 45 31 19 14 13 19 15 15 19 26 29 40 46 52 52 39 63 04
KEARNY MESA 43 45 44 40 38 36 39 25 25 22 20 20 20 22 24 29 25 23 33 38 38 40 31 45 01
18 PRES mmHg EL CAJON LES 750 750 749 749 749 749 749 749 749 749 749 749 749 748 748 748 749 749 749 749 749 749 749 750 00
KEARNY MESA 750 750 750 749 749 749 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 00
19 SOLAR W/M2 EL CAJON LES -2 -1 -1 -1 -1 11 100 331 512 764 930 993 979 881 733 361 217 49 -2 -2 -1 -1 311 993 11
KEARNY MESA 1 2 2 2 2 15 144 328 542 690 945 992 970 869 718 394 210 64 3 1 2 1 314 992 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 6 17 28 41 49 52 51 46 37 20 11 3 0 0 0 0 16 52 11
25 NOY EL CAJON LES 9.55 9.40 10.87 10.23 C C 13.67 14.11 10.65 4.98 4.53 3.41 3.56 2.63 2.05 2.89 3.67 5.09 7.31 8.20 7.36 8.87 7.15 14.11 07
26 NOY-NO EL CAJON LES 9.24 9.38 10.63 10.08 C C 10.63 9.86 7.70 3.91 3.59 2.95 3.16 2.29 1.87 2.53 3.23 4.88 7.20 8.09 7.33 8.77 6.36 10.63 02
27 NO Trace EL CAJON LES .30 .01 .24 .14 C C 3.03 4.24 2.94 1.06 .93 .45 .40 .34 .18 .35 .44 .21 .10 .10 .02 .09 .77 4.24 07
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .1 .0 .0 .0 .0 .0 .1 .0 .0 .0 .0 .1 .1 .1 .1 .1 .0 .1 06
29 CO Tr PPB EL CAJON LES 343.8 C C C 307.9 289.1 323.9 331.9 307.0 207.6 223.6 182.7 192.9 170.3 140.8 154.8 229.6 216.7 237.3 267.1 283.6 309.0 248.4 343.8 00
BCarbon ug/m3 10TH AVE MARIN 1.54 1.53 .96 < .58 < .65 1.65 < < 1.32 < .82 .37 .53 .28 .30 .32 .31 .38 .35 < .74 1.65 07
ALPINE .06 .06 < .05 < < .05 .06 < < < < < < < < < .18 .21 .31 .25 .20 .14 .31 19
BOSTON AVE 1.24 1.10 .74 .52 1.17 .90 .57 .37 .62 .83 1.11 .53 .41 .39 .47 .21 .19 .15 .14 .16 .28 .30 .56 1.24 00
CHICANO PARK 1.39 .99 .61 .38 .32 .53 .55 < < 1.04 1.16 .43 .40 .35 .24 .24 .19 .22 .32 .24 .32 < .52 1.39 00
DOWNTOWN SE < 1.06 .59 .41 < .40 .42 < 1.24 1.37 1.13 .47 .56 .31 .31 .27 < .43 .45 .27 .40 .56 .59 1.37 09
OCEANVIEW BLV < < .79 .46 .53 .60 < < .35 .59 1.16 < .47 .38 .33 .25 .26 .23 < < .23 .41 .47 1.16 10
OTAY MESA DVN 1.67 2.17 3.05 1.53 1.46 .53 1.07 1.15 .88 .68 .46 .25 .23 .16 < < .09 < .14 < < .31 .93 3.05 02
SAN YSIDRO < 1.48 2.74 < 3.91 2.80 2.66 < 2.45 1.27 1.62 .67 .22 < .15 .20 < .17 .20 .62 .31 .31 1.28 3.91 04
PM10 STD ALPINE 9.8 8.1 9.7 9.2 6.9 7.6 7.5 8.9 7.1 9.9 8.6 7.2 8.5 11.9 8.0 11.0 13.3 14.7 16.7 17.9 14.4 12.8 10.4 17.9 19
CARMEL MT RCH 16.1 16.0 16.1 16.3 14.8 12.0 13.4 12.8 12.1 13.5 12.1 17.4 14.8 14.0 14.3 16.6 14.1 13.4 16.9 15.5 16.1 14.7 14.6 17.4 11
CHULA VISTA 20.0 18.3 25.4 16.3 15.8 26.4 18.5 16.3 25.4 21.9 18.7 21.7 18.7 18.0 15.3 15.8 17.5 19.1 15.9 19.0 27.0 23.0 19.7 27.0 20
DOWNTOWN SE 24.7 21.6 19.4 17.6 14.3 13.0 12.4 12.0 17.5 25.5 26.9 22.2 18.8 16.1 18.1 16.8 20.5 21.3 20.1 22.5 18.9 20.3 19.1 26.9 10
EL CAJON LES 15.3 15.6 14.9 14.8 14.5 13.3 14.9 15.2 16.4 10.8 11.2 10.9 17.3 14.8 12.3 13.3 13.7 17.3 18.6 22.4 21.5 24.8 15.6 24.8 21
KEARNY MESA 12.5 14.0 14.8 13.1 13.0 11.9 11.0 10.2 13.8 13.6 20.8 17.8 17.9 16.9 15.7 16.7 16.4 15.5 17.1 20.0 17.4 17.2 15.3 20.8 10
OTAY MESA DVN 109.0 67.9 95.5 45.2 93.0 103.5 66.4 76.4 67.8 38.7 25.7 20.6 21.5 15.7 16.0 17.3 12.8 17.6 18.6 33.6 40.6 59.8 48.3 109.0 00
PENDLETON 15.6 11.9 13.0 12.4 12.6 10.8 10.5 10.9 17.7 25.9 18.7 18.6 20.8 20.8 22.2 16.8 20.3 26.7 24.7 41.0 43.6 26.4 20.0 43.6 20
SAN YSIDRO 30.4 43.4 70.5 87.7 83.0 65.5 73.3 85.0 76.8 49.6 73.2 40.0 23.8 22.9 21.0 19.8 25.0 27.1 23.8 41.1 33.0 25.8 47.3 87.7 03
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 .00 00