Current Date: 4/18/2026 9:09 PM
Daily Parameter Report
4/18/2026
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 .039 .046 C C .056 .055 .053 .053 .055 .057 .059 .062 .067 .069 .065 .064 .063 .065 .061 .056 .049 .057 .069 13
CHULA VISTA .023 .023 C C .018 .014 .018 .026 .036 .042 .046 .051 .052 .053 .056 .054 .055 .052 .052 .051 .050 .040 .056 14
DOWNTOWN SE .023 .023 C C .016 .014 .018 .029 .029 .038 .049 .048 .046 .051 .055 .053 .051 .052 .051 .051 .050 .039 .055 14
EL CAJON LES .021 .022 C C C .019 .016 .023 .035 .050 .056 .060 .060 .058 .060 .058 .063 .056 .050 .046 .044 .044 .063 16
KEARNY MESA .025 .026 C C .019 .010 .019 .042 .046 .052 .053 .055 .057 .058 .060 .061 .067 .057 .054 .051 .043 .045 .067 16
OTAY MESA DVN .028 .031 C C .025 .020 .027 .037 .045 .051 .055 .060 .061 .062 .062 .061 .057 .056 .052 .046 .040 .046 .062 13
PENDLETON .029 .026 C C .030 .022 .022 .031 .038 .041 .048 .050 .054 .056 .057 .054 .056 .057 .055 .056 .055 .044 .057 14
03 NO2 PPB ALPINE 3.7 2.5 C C 1.5 2.8 1.9 3.2 2.8 1.7 1.8 1.8 2.6 2.7 2.4 2.5 2.1 3.1 4.9 5.5 6.8 2.9 6.8 20
CARMEL MT RCH 11.4 9.7 C C 15.4 12.9 7.7 9.8 7.5 8.4 7.8 6.2 6.0 7.0 7.1 9.2 9.5 8.5 12.6 10.4 8.7 9.2 15.4 04
CHULA VISTA 12.0 10.2 C C 8.1 12.2 10.7 7.7 5.2 7.9 5.4 2.8 2.2 2.1 1.8 2.0 1.9 1.7 1.9 1.9 2.1 5.2 12.2 05
DOWNTOWN SE 14.0 10.8 C C 10.1 11.1 10.0 6.6 14.4 13.0 4.6 3.0 4.1 3.9 2.8 3.9 3.3 3.2 3.4 3.3 3.5 6.7 14.4 08
EL CAJON LES 5.1 2.7 C C C 4.3 6.6 6.8 5.4 3.0 2.3 2.5 1.9 1.7 2.0 3.5 2.7 3.4 3.2 3.5 2.3 3.4 6.8 07
KEARNY MESA 5.4 3.8 C C 6.6 12.8 6.4 2.3 2.7 2.8 2.5 1.2 1.1 2.0 1.9 1.4 1.6 2.2 3.3 3.7 6.6 3.7 12.8 05
OTAY MESA DVN 7.3 7.7 C C 4.0 10.5 7.5 3.2 2.0 3.6 5.2 2.9 2.0 1.7 1.8 1.7 1.8 1.8 2.2 2.4 2.3 3.7 10.5 05
PENDLETON 5.3 4.9 C C 2.6 4.1 3.9 2.8 2.6 2.6 1.3 1.4 1.3 1.1 1.1 1.3 1.1 2.8 1.8 1.8 1.8 2.4 5.3 00
SAN YSIDRO 8.1 7.9 C C 19.3 18.7 22.5 25.1 16.6 7.3 4.0 3.4 2.6 2.8 2.9 2.9 3.6 3.9 7.8 6.5 6.3 9.0 25.1 07
06 CO PPM CARMEL MT RCH .4 .3 C C .5 .6 .4 .5 .3 .4 .4 .4 .4 .5 .5 .5 .5 .5 .5 .5 .5 .5 .6 05
SAN YSIDRO .3 .2 C C .5 .6 .7 .7 .5 .3 .3 .2 .2 .2 .2 .2 .2 .2 .3 .3 .2 .3 .7 06
07 H2S PPB IB CIVIC CTR 42.5 2.4 1.6 1.1 .9 1.1 1.7 2.2 1.5 .8 .6 .5 .4 .4 .4 .5 .5 .5 .5 .5 .5 2.9 42.5 00
NESTOR - BES 22.1 7.2 2.7 1.7 1.2 1.3 3.7 3.5 1.4 .9 .6 .4 .4 .4 1.7 1.2 .7 1.0 2.9 3.6 2.5 2.9 22.1 00
SAN YSIDRO .6 .4 .5 1.4 2.4 2.9 3.6 3.1 2.0 2.1 .9 1.3 1.7 1.4 .7 1.1 1.4 2.1 4.0 4.5 1.1 1.8 4.5 19
10 INTMP °C ALPINE 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 25 25 25 25 25 26 25 26 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 25 24 25 24 24 24 24 24 24 24 24 25 25 00
CHULA VISTA 24 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 25 25 26 26 26 26 00
KEARNY MESA 24 24 23 24 24 25 24 24 24 24 25 24 25 25 25 25 25 24 25 25 25 24 25 05
OTAY MESA DVN 27 27 27 27 27 27 26 26 27 27 28 27 27 27 27 27 26 26 26 27 28 27 28 10
PENDLETON 26 26 26 26 26 25 25 26 25 25 24 25 25 25 25 25 25 25 25 26 26 25 26 00
SAN YSIDRO 24 24 24 24 24 23 23 23 24 24 25 24 24 24 24 24 24 24 24 24 25 24 25 10
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 24 24 24 24 23 24 24 25 25 26 26 26 26 26 27 00
NESTOR - BES 27 27 27 26 26 25 26 25 25 25 24 24 24 24 24 25 25 25 26 26 26 25 27 00
11 PM2.5 µg/M3 ALPINE 7.6 6.8 6.3 5.9 5.6 5.5 5.6 5.6 5.8 5.5 5.6 5.8 7.4 8.2 7.2 6.9 6.1 6.9 7.0 8.0 8.1 6.5 8.2 13
CARMEL MT RCH 7.4 7.4 7.5 7.8 7.9 7.7 7.7 8.4 9.4 8.9 9.5 9.4 9.4 8.8 8.6 8.7 9.3 10.5 9.2 7.7 7.8 8.5 10.5 17
CHULA VISTA 8.9 7.8 7.9 7.9 8.2 8.7 10.6 14.8 12.4 15.1 13.2 11.2 8.8 9.3 9.5 9.8 9.6 7.7 7.7 7.5 7.5 9.7 15.1 09
DOWNTOWN SE 9.3 9.9 10.7 10.2 10.0 9.8 10.1 10.0 12.4 11.6 10.5 9.6 8.5 9.8 9.6 10.8 9.2 7.4 7.1 6.3 6.3 9.4 12.4 08
EL CAJON LES 8.6 8.1 7.9 7.2 6.7 6.6 7.8 8.3 7.7 6.8 6.9 8.9 9.0 8.0 8.1 8.9 9.1 8.6 8.1 7.7 7.6 7.9 9.1 16
KEARNY MESA 7.1 7.3 7.6 8.1 8.2 7.5 7.7 8.9 9.4 9.2 11.1 10.3 9.6 9.6 9.2 10.3 11.4 9.9 7.9 7.7 7.7 8.8 11.4 16
Current Date: 4/18/2026 9:09 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 23.4 20.2 17.3 17.2 15.3 17.8 15.1 10.3 8.0 10.2 13.2 11.1 9.8 9.2 9.3 8.1 9.0 8.2 8.2 8.8 10.7 12.4 23.4 00
PENDLETON 7.8 8.2 8.5 9.0 9.1 8.7 8.4 7.8 7.6 8.3 7.8 8.7 10.4 9.6 9.2 8.6 6.8 6.0 5.8 6.9 6.7 8.0 10.4 12
SAN YSIDRO 8.6 8.8 9.0 18.2 28.1 28.6 36.3 36.7 27.5 18.2 12.0 11.6 10.5 10.8 10.6 10.8 11.8 11.3 11.0 11.8 11.1 16.3 36.7 07
12 VWDR ° ALPINE 101 74 58 78 103 86 120 180 289 275 290 262 272 254 255 254 251 258 295 337 85 0 337 19
CHULA VISTA 93 67 89 75 45 82 60 17 300 265 251 256 265 251 247 261 258 251 238 237 243 0 300 08
DOWNTOWN SE 35 78 51 39 52 27 62 41 224 248 261 253 260 250 223 202 208 211 198 206 202 0 261 10
EL CAJON LES 93 98 81 103 94 101 151 8 298 287 252 250 263 259 258 211 210 204 208 200 150 0 298 08
KEARNY MESA 65 61 63 58 55 68 67 40 215 231 275 285 278 271 282 256 231 234 219 187 136 0 285 11
OTAY MESA DVN 31 94 68 16 23 99 343 324 284 294 281 285 281 282 259 265 279 291 300 339 353 0 353 20
PENDLETON 67 66 56 48 49 48 46 63 151 245 266 270 268 260 253 225 212 200 194 170 148 0 270 11
13 SIGTHETA ° ALPINE 35 25 27 29 24 32 29 34 40 37 40 36 32 31 29 30 31 28 24 26 34 31 40 08
CHULA VISTA 19 46 48 29 22 28 22 44 51 22 19 23 23 22 20 25 23 22 20 47 22 28 51 08
DOWNTOWN SE 14 36 17 19 21 34 19 42 29 22 25 25 29 25 20 20 20 22 18 20 25 24 42 07
EL CAJON LES 36 12 14 11 40 35 60 74 58 42 38 24 23 27 26 22 20 12 15 21 18 30 74 07
KEARNY MESA 6 7 5 8 9 6 19 41 67 30 21 15 16 20 17 21 16 14 12 13 18 18 67 08
OTAY MESA DVN 14 11 30 51 39 51 35 19 19 22 15 18 18 16 16 23 11 10 14 11 22 22 51 03
PENDLETON 6 8 10 12 7 16 13 14 34 15 14 17 16 12 12 12 13 14 15 11 14 14 34 08
14 VWSP MPH ALPINE .9 1.2 1.0 1.7 1.6 .9 1.0 1.3 2.3 3.2 4.4 4.7 6.3 6.7 6.8 6.1 4.6 3.6 1.8 1.8 1.7 .0 6.8 14
CHULA VISTA 1.3 1.0 .4 1.4 1.4 1.1 2.0 1.6 1.9 5.6 8.2 7.4 7.1 7.0 7.3 5.6 6.0 5.2 4.1 1.6 1.5 .0 8.2 10
DOWNTOWN SE 1.8 .8 3.2 2.5 2.1 1.9 2.6 1.6 4.1 5.5 6.2 6.5 6.1 5.8 7.4 6.8 6.2 5.2 4.7 3.0 2.3 .0 7.4 14
EL CAJON LES 1.4 3.4 3.8 2.4 1.3 1.4 .2 .4 1.5 2.5 4.4 7.0 7.5 6.8 7.0 7.5 7.0 6.9 5.4 3.7 2.0 .0 7.5 12
KEARNY MESA 3.8 4.7 5.1 4.4 3.4 2.8 2.5 1.5 1.3 5.1 8.6 10.2 9.5 8.3 8.3 7.3 7.3 6.8 5.4 4.7 2.4 .0 10.2 11
OTAY MESA DVN 1.0 2.0 1.0 .8 1.4 1.2 1.6 2.9 3.6 6.0 9.9 8.1 8.4 8.6 8.8 6.5 8.9 7.1 5.3 3.7 2.6 .0 9.9 10
PENDLETON 4.6 5.5 3.9 5.9 8.9 5.7 5.3 5.5 1.6 5.7 5.6 5.8 5.8 8.0 7.9 8.4 7.1 6.4 4.2 4.2 3.4 .0 8.9 04
15 SWSP MPH ALPINE 1.2 1.4 1.2 2.1 1.7 1.1 1.2 2.0 2.8 3.9 5.3 6.1 7.2 7.7 7.6 7.1 5.4 4.0 2.0 2.0 2.1 3.6 7.7 13
CHULA VISTA 1.4 1.2 .7 1.6 1.6 1.2 2.1 2.1 2.8 6.0 8.6 8.0 7.6 7.6 7.8 6.2 6.5 5.5 4.4 1.9 1.6 4.1 8.6 10
DOWNTOWN SE 1.9 1.2 3.3 2.7 2.4 2.1 2.8 2.2 4.6 6.2 6.8 7.3 7.0 6.7 7.9 7.3 6.8 5.6 4.9 3.3 2.4 4.5 7.9 14
EL CAJON LES 1.8 3.5 4.0 2.4 1.5 1.5 1.0 1.4 2.2 3.4 5.2 7.8 8.1 7.6 7.7 8.0 7.4 7.1 5.6 4.0 2.4 4.5 8.1 12
KEARNY MESA 3.8 4.8 5.1 4.5 3.4 2.8 2.7 2.1 3.1 5.8 9.4 10.5 10.0 8.8 8.7 8.3 7.6 7.0 5.5 5.0 2.7 5.8 10.5 11
OTAY MESA DVN 1.4 2.1 1.5 1.7 1.6 1.6 1.9 3.1 3.8 6.4 10.3 8.5 8.8 9.0 9.4 7.5 9.1 7.3 5.7 3.8 2.7 5.1 10.3 10
PENDLETON 4.6 5.6 4.0 6.0 9.0 6.1 5.7 5.7 4.4 6.0 5.7 6.1 6.0 8.1 8.0 8.6 7.3 6.6 4.4 4.3 3.5 6.0 9.0 04
16 AMBTEMP °F ALPINE 53.3 54.9 55.3 57.7 58.1 59.0 61.6 66.5 69.2 72.7 74.8 76.4 76.3 75.5 74.6 73.5 71.4 68.3 64.9 62.0 60.8 66.0 76.4 11
CARMEL MT RCH 57.3 56.0 55.2 53.8 53.1 53.3 56.8 62.5 68.3 73.1 75.5 75.5 76.1 76.4 76.6 76.5 75.3 71.8 67.6 64.3 62.8 66.1 76.6 14
CHULA VISTA 59.2 58.2 57.0 56.3 55.7 55.5 58.9 63.3 66.8 69.3 68.1 68.9 69.7 70.3 69.7 69.0 67.9 66.2 64.6 63.8 63.6 63.9 70.3 13
DOWNTOWN SE 60.5 59.4 58.6 57.9 56.9 56.4 59.2 63.4 67.3 70.4 70.8 70.9 71.5 72.3 71.8 70.2 67.8 65.8 64.0 63.4 63.0 64.8 72.3 13
EL CAJON LES 57.5 55.8 55.4 54.0 53.4 52.7 56.0 61.1 68.0 75.1 79.2 79.7 79.3 79.8 79.7 77.0 75.5 72.0 67.0 64.0 62.5 66.9 79.8 13
KEARNY MESA 56.1 55.6 55.0 54.8 55.0 54.0 59.6 65.3 69.9 73.6 74.2 73.6 73.8 74.8 75.1 73.9 72.5 68.3 65.1 63.6 62.4 65.5 75.1 14
OTAY MESA DVN 57.8 57.3 57.0 56.3 54.6 54.2 57.3 62.2 68.8 72.8 73.6 72.0 73.2 73.0 74.6 74.5 71.2 67.2 63.7 61.7 61.2 65.0 74.6 14
PENDLETON 60.1 59.4 59.3 58.5 56.9 55.7 57.1 62.7 67.3 65.5 66.1 66.9 67.6 68.4 68.8 68.6 67.9 66.7 65.7 65.3 64.9 63.8 68.8 14
Current Date: 4/18/2026 9:09 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 58.8 57.8 57.2 56.5 55.6 55.2 59.5 64.6 67.9 70.9 69.8 71.4 71.6 71.4 71.8 72.8 71.1 68.1 65.8 64.7 64.1 65.1 72.8 15
17 RELHUM % ALPINE 89 70 65 49 41 34 33 24 22 20 21 20 31 33 32 32 32 37 45 57 57 40 89 00
EL CAJON LES 86 86 84 84 79 77 74 62 44 28 25 36 38 36 33 43 39 46 68 80 84 59 86 00
KEARNY MESA 90 91 93 92 92 92 84 69 57 43 49 48 46 41 40 47 43 64 76 79 81 67 93 02
18 PRES mmHg EL CAJON LES 749 749 748 748 748 748 748 748 748 748 748 748 748 747 747 747 747 747 748 748 748 748 749 00
KEARNY MESA 750 749 749 748 748 749 749 749 749 749 749 749 749 748 748 748 748 748 748 749 749 749 750 00
19 SOLAR W/M2 EL CAJON LES -1 -1 0 -1 0 30 200 426 643 822 950 1000 983 900 751 551 326 104 2 -2 -2 366 1000 11
KEARNY MESA 2 1 1 1 1 36 216 451 670 847 951 1009 986 903 758 569 347 117 7 1 1 375 1009 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 10 21 33 43 50 53 52 47 38 27 15 5 0 0 0 19 53 11
25 NOY EL CAJON LES 5.54 3.23 3.01 3.26 3.01 C C 10.31 7.95 4.56 3.78 4.57 3.70 3.28 3.66 4.99 4.41 4.33 3.86 3.96 2.96 4.44 10.31 07
26 NOY-NO EL CAJON LES 5.52 3.22 2.98 3.24 2.98 C C 6.68 5.70 3.61 3.23 3.93 3.24 2.88 3.25 4.27 4.02 4.08 3.68 3.88 2.94 3.85 6.68 07
27 NO Trace EL CAJON LES .02 .01 .03 .02 .02 C C 3.63 2.25 .95 .54 .63 .46 .40 .41 .72 .39 .24 .17 .08 .02 .57 3.63 07
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 .1 .1 .1 .0 .1 .1 .1 .0 .0 .0 .0 .0 .1 10
29 CO Tr PPB EL CAJON LES 223.9 179.8 C C C 232.7 274.4 285.8 266.7 207.1 205.7 248.7 214.5 195.4 188.4 202.7 192.5 190.1 198.1 202.6 197.7 217.0 285.8 07
BCarbon ug/m3 10TH AVE MARIN .44 .46 .55 .45 .44 .50 < 1.27 1.10 .62 .31 < < .67 .50 .34 < < .21 .23 .36 .53 1.27 07
ALPINE .19 < .12 .10 < .10 .13 < .12 .10 < .10 .16 .21 .16 .15 .15 .21 < .25 < .15 .25 19
BOSTON AVE .83 .91 .86 .52 2.30 .78 .75 .73 .70 .92 .32 .28 .26 .27 .20 .21 .17 .18 .32 .21 .25 .57 2.30 04
CHICANO PARK .53 .48 .39 .33 .35 .46 .55 .42 .67 .62 < .16 .15 .21 .26 .22 < .15 .22 < .15 .35 .67 08
DOWNTOWN SE .41 < .27 .28 .29 .37 .36 < .66 < .29 .20 .20 .26 .23 .23 .19 < .16 .15 < .28 .66 08
OCEANVIEW BLV .58 .82 .63 < .36 .46 .40 .31 < .84 .31 .26 .22 .25 .28 .27 < .17 .25 .17 < .39 .84 09
OTAY MESA DVN 1.78 1.47 1.35 < .55 < .66 .44 < < .85 .42 < .27 .32 .24 .22 .18 .21 < .20 .61 1.78 00
SAN YSIDRO .19 .30 .26 < 2.96 < 3.49 3.36 1.98 .92 .32 .27 .17 .18 .20 < < .21 .53 .54 .44 .96 3.49 06
PM10 STD ALPINE 21.9 24.3 24.6 28.9 30.3 32.5 32.3 34.4 36.8 35.8 33.4 34.7 33.8 35.7 31.6 30.6 27.7 26.7 28.4 29.0 30.7 30.6 36.8 08
CARMEL MT RCH 16.5 17.0 17.1 17.9 18.7 21.8 21.3 23.4 28.8 32.4 33.9 41.9 38.0 38.3 38.0 35.6 36.0 35.3 30.0 25.8 24.2 28.1 41.9 11
CHULA VISTA 21.5 19.5 18.5 19.9 20.0 23.5 28.5 41.2 37.0 42.9 33.8 28.6 26.5 31.5 31.6 32.7 30.7 27.3 27.5 25.8 25.4 28.2 42.9 09
DOWNTOWN SE 22.9 24.1 24.3 23.9 23.4 23.6 26.6 26.9 32.1 31.2 31.2 28.7 26.5 29.4 34.7 32.5 30.7 29.6 26.8 24.2 25.2 27.5 34.7 14
EL CAJON LES 20.4 20.2 20.5 19.0 20.8 21.3 25.7 28.2 30.7 34.5 38.2 34.3 31.7 31.0 34.9 35.2 39.5 35.8 29.5 28.0 25.7 28.8 39.5 16
KEARNY MESA 16.7 17.0 18.1 18.4 19.1 18.0 21.6 26.9 31.2 37.4 37.4 40.4 37.4 42.4 41.9 40.7 45.6 33.6 30.2 27.8 28.2 30.0 45.6 16
OTAY MESA DVN 109.4 100.3 62.4 85.2 83.9 116.4 74.6 36.1 31.1 47.8 48.4 36.8 37.2 38.7 38.8 39.1 35.1 32.0 33.1 34.7 45.5 55.5 116.4 05
PENDLETON 19.4 20.0 21.8 23.4 21.9 20.5 21.8 29.1 31.7 31.5 30.1 32.4 31.1 31.0 29.7 26.5 23.2 28.2 25.3 31.3 30.3 26.6 32.4 11
SAN YSIDRO 19.9 21.9 20.3 46.0 62.8 63.9 88.3 90.7 68.9 51.1 35.6 33.9 35.3 33.5 35.2 38.4 37.2 34.0 39.9 40.8 37.6 44.5 90.7 07
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