Current Date: 5/25/2026 9:09 PM
Daily Parameter Report
5/25/2026
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 .043 .043 C C .038 .037 .037 .036 .037 .038 .041 .045 .048 .050 .050 .048 .045 .042 .040 .039 .039 .041 .050 13
CHULA VISTA .042 .041 C C .042 .042 .041 .041 .041 .043 .043 .045 .046 .044 .042 .041 .040 .039 .039 .041 .040 .041 .046 12
DOWNTOWN SE .042 .041 C C .043 .040 .039 .039 .041 .042 .042 .042 .043 .042 .040 .038 .036 .036 .036 .035 .036 .039 .043 04
EL CAJON LES .041 .041 C C C .036 .039 .039 .040 .042 .042 .044 .047 .049 .046 .042 .040 .039 .038 .037 .037 .041 .049 13
KEARNY MESA .042 .043 C C .041 .040 .042 .043 .044 .044 .044 .045 .046 .046 .044 .041 .040 .039 .040 .039 .041 .042 .046 12
OTAY MESA DVN .042 .041 C C .040 .039 .040 .043 .044 .044 .044 .046 .048 .048 .046 .043 .041 .039 .039 .039 .039 .042 .048 12
PENDLETON .031 .028 C C .026 .030 .036 .042 .044 .044 .043 .043 .044 .043 .040 .041 .038 .039 .037 .037 .037 .038 .044 08
03 NO2 PPB ALPINE 1.9 2.0 C C 1.4 2.2 1.8 2.2 2.0 1.9 2.0 2.2 2.1 2.2 2.3 2.2 2.0 1.7 1.8 1.8 1.8 1.9 2.3 14
CARMEL MT RCH 2.4 5.1 C C 4.7 6.2 7.7 6.6 8.0 7.5 7.3 5.6 5.2 4.4 4.0 4.1 4.0 4.8 4.3 5.0 6.6 5.4 8.0 08
CHULA VISTA 2.2 2.0 C C 1.8 1.8 2.7 2.9 3.0 2.6 3.4 2.5 1.3 1.1 1.1 .9 .9 1.5 2.0 1.7 1.3 1.9 3.4 10
DOWNTOWN SE 2.1 2.1 C C 1.8 3.0 3.4 3.0 2.5 2.7 2.6 3.7 2.9 2.6 2.5 2.2 3.3 3.4 4.4 4.4 3.8 2.9 4.4 18
EL CAJON LES 2.9 2.3 C C C 3.4 3.6 3.7 2.9 2.5 2.9 3.3 3.7 3.6 3.3 2.7 3.0 2.5 2.5 2.9 3.0 3.0 3.7 07
KEARNY MESA .5 .3 C C .7 1.1 .8 .7 .5 .7 .7 .8 .6 .6 .5 .5 .5 .5 .6 .7 .8 .6 1.1 05
OTAY MESA DVN 2.0 1.9 C C 1.5 1.8 1.9 1.5 1.3 1.5 1.5 1.8 1.5 1.2 1.2 1.1 1.1 1.4 2.4 1.7 1.9 1.5 2.4 18
PENDLETON 3.0 2.1 C C 2.2 2.8 2.3 1.7 1.2 1.0 1.0 .8 1.0 .7 .7 .7 .9 .7 .8 .9 1.0 1.3 3.0 00
SAN YSIDRO 2.1 1.6 C C 2.0 2.1 2.0 6.2 6.2 5.7 4.7 3.8 2.5 2.2 1.7 2.0 2.1 2.3 3.1 3.6 3.0 3.1 6.2 07
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .3 .3 .4 .4 .4 .4 .3 .4 .4 .3 .3 .3 .4 .3 .3 .3 .3 .4 07
SAN YSIDRO .2 .1 C C .1 .1 .1 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 00
07 H2S PPB IB CIVIC CTR .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .5 .5 .6 .5 .5 .6 .6 .7 .8 .7 .6 .8 19
NESTOR - BES .5 .5 .5 .5 .6 .5 .5 .5 .5 .6 .5 .5 .4 .5 .5 .5 .5 .5 .7 .7 .6 .5 .7 18
SAN YSIDRO .7 .5 .3 .4 .4 1.0 .4 .4 .5 .5 .5 .4 .4 .4 .4 .4 .5 .4 .5 .5 .5 .4 1.0 05
10 INTMP °C ALPINE 27 27 26 27 27 27 27 27 27 26 26 26 25 25 26 25 25 26 26 26 26 26 27 00
CARMEL MT RCH 24 24 25 25 25 25 25 25 24 24 24 25 25 24 24 25 25 25 25 25 25 25 25 02
CHULA VISTA 24 24 24 24 24 24 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 06
DOWNTOWN SE 24 24 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 25 25 25 25 02
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 25 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 25 24 24 24 24 24 24 24 24 24 25 25 24 24 25 08
OTAY MESA DVN 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
PENDLETON 25 25 25 26 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 26 03
SAN YSIDRO 25 26 25 25 25 25 25 24 25 25 24 24 24 24 24 24 24 24 24 24 24 24 26 01
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 26 26 25 25 23 24 25 25 26 26 26 26 26 26 00
NESTOR - BES 26 26 26 26 26 26 26 26 25 25 25 25 25 24 24 25 25 25 26 26 26 25 26 00
11 PM2.5 µg/M3 ALPINE 7.3 7.1 6.8 4.6 3.6 2.8 2.7 3.6 4.0 4.0 4.2 4.4 4.8 5.7 7.0 6.0 4.8 4.6 4.5 4.4 4.6 4.8 7.3 00
CARMEL MT RCH 5.2 5.2 5.3 5.5 5.4 5.2 4.7 4.8 4.5 5.1 6.1 8.1 8.0 7.0 6.2 5.2 4.7 4.2 4.1 4.2 4.4 5.3 8.1 11
CHULA VISTA 5.5 5.0 4.8 4.5 4.2 4.0 4.1 3.5 3.9 3.7 5.1 6.1 5.0 4.4 4.3 4.0 3.8 3.8 3.9 3.8 3.6 4.3 6.1 11
DOWNTOWN SE 6.0 5.7 5.8 5.2 4.7 5.3 4.9 4.7 4.5 5.0 6.2 6.3 5.8 5.5 4.8 4.7 4.2 4.2 4.3 4.4 4.3 5.0 6.3 11
EL CAJON LES 5.2 5.0 4.9 4.9 5.1 5.2 4.4 4.0 3.5 3.4 4.0 5.0 6.4 6.5 5.4 4.5 4.6 4.4 4.0 4.2 4.1 4.7 6.5 13
KEARNY MESA 4.8 4.8 4.6 4.9 4.9 4.9 4.8 4.4 4.6 5.3 5.9 6.7 6.7 5.4 4.9 4.3 4.0 3.9 3.8 3.9 4.0 4.8 6.7 11
Current Date: 5/25/2026 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 5.3 5.7 5.2 5.1 4.8 4.4 4.2 3.3 3.2 3.5 3.9 5.0 6.1 5.2 4.8 4.2 3.8 3.8 3.9 3.9 4.0 4.4 6.1 12
PENDLETON 5.3 5.3 5.5 5.8 5.7 5.8 6.0 6.5 6.3 5.7 5.4 5.0 5.0 4.7 5.3 5.2 4.7 5.4 6.1 6.3 6.3 5.5 6.5 07
SAN YSIDRO 6.1 5.7 5.2 4.8 4.5 4.4 4.4 4.6 5.1 5.0 5.8 6.5 6.1 5.5 5.3 4.8 5.1 4.5 4.8 5.0 4.9 5.1 6.5 11
12 VWDR ° ALPINE 1 264 291 308 283 272 265 284 303 295 274 261 278 287 290 258 255 281 286 285 268 0 308 03
CHULA VISTA 332 341 330 342 338 331 344 327 307 323 287 282 276 272 266 269 287 301 300 295 275 0 344 06
DOWNTOWN SE 332 337 356 351 321 360 340 324 327 326 298 272 254 255 263 266 290 303 291 298 279 0 360 05
EL CAJON LES 317 321 288 339 309 283 307 330 314 297 307 254 258 260 241 255 266 296 294 288 248 0 339 03
KEARNY MESA 337 339 333 335 349 336 329 323 336 333 338 307 283 288 288 291 292 298 291 287 279 0 349 04
OTAY MESA DVN 263 297 330 325 316 307 312 315 311 327 312 281 277 273 276 275 280 287 286 276 277 0 330 02
PENDLETON 20 26 41 57 41 45 15 290 274 266 263 258 259 257 257 263 271 301 302 295 305 0 305 20
13 SIGTHETA ° ALPINE 50 30 26 22 22 28 34 27 33 24 36 32 31 25 27 30 30 28 27 26 28 29 50 00
CHULA VISTA 30 20 19 18 18 17 21 25 23 26 26 21 21 19 21 21 19 17 16 21 22 21 30 00
DOWNTOWN SE 22 24 23 26 25 19 27 22 26 30 32 27 24 27 25 24 27 27 23 29 31 26 32 10
EL CAJON LES 18 22 22 30 29 34 19 25 28 23 37 33 39 30 21 23 22 18 19 21 23 26 39 12
KEARNY MESA 11 13 14 10 10 11 11 12 15 19 23 24 23 22 15 16 13 10 9 9 12 14 24 11
OTAY MESA DVN 8 13 12 10 13 11 15 13 17 19 21 15 17 15 15 14 14 12 10 10 11 14 21 10
PENDLETON 8 8 13 13 12 11 36 25 17 16 14 11 12 11 11 14 16 15 15 17 16 15 36 06
14 VWSP MPH ALPINE 1.1 2.1 2.2 2.4 2.4 2.0 2.0 2.3 2.6 3.6 3.9 5.0 5.3 6.3 5.9 6.2 5.6 4.9 3.5 2.9 2.9 .0 6.3 13
CHULA VISTA 3.9 4.6 4.0 3.8 4.0 3.5 3.1 3.4 4.7 4.6 5.3 7.1 9.7 10.4 10.1 10.2 10.0 8.6 7.5 4.9 4.8 .0 10.4 13
DOWNTOWN SE 3.7 3.0 3.1 2.7 3.1 3.1 2.6 4.0 3.9 3.8 4.3 5.6 7.6 7.8 8.4 8.0 6.9 6.3 5.7 3.9 3.7 .0 8.4 14
EL CAJON LES 4.5 3.6 3.8 2.8 2.2 2.2 3.4 3.2 3.8 4.7 3.8 4.4 5.4 6.3 8.9 8.5 7.6 7.3 5.9 4.8 3.7 .0 8.9 14
KEARNY MESA 5.8 5.3 4.3 6.1 5.7 5.1 6.4 6.3 5.8 6.0 5.6 6.9 9.2 9.8 11.4 12.2 11.5 10.7 8.9 7.4 5.7 .0 12.2 15
OTAY MESA DVN 5.5 4.9 5.3 5.4 5.1 4.7 4.9 5.7 5.9 5.6 5.9 9.7 12.1 13.5 12.1 13.0 12.0 10.7 8.4 7.5 7.1 .0 13.5 13
PENDLETON 4.2 4.6 3.8 3.7 3.5 3.0 1.0 2.3 2.9 4.3 5.6 9.4 9.3 10.6 11.8 9.2 5.7 5.9 5.5 3.7 3.5 .0 11.8 14
15 SWSP MPH ALPINE 1.9 2.5 2.6 2.6 2.6 2.2 2.3 2.5 3.0 3.9 4.5 5.8 6.1 6.8 6.6 7.1 6.4 5.4 3.8 3.2 3.3 4.1 7.1 15
CHULA VISTA 4.1 4.8 4.2 4.0 4.1 3.7 3.3 3.8 5.0 5.0 6.0 7.6 10.3 11.0 10.8 10.8 10.5 9.1 7.8 5.3 5.2 6.5 11.0 13
DOWNTOWN SE 3.9 3.3 3.3 2.9 3.7 3.4 2.9 4.2 4.4 4.3 4.8 6.3 8.3 8.7 9.2 8.7 7.7 7.0 6.3 4.4 4.3 5.3 9.2 14
EL CAJON LES 4.8 3.9 4.1 3.3 2.6 2.5 3.6 3.5 4.3 5.1 4.5 5.2 6.6 7.2 9.6 9.2 8.2 7.8 6.2 5.1 4.0 5.3 9.6 14
KEARNY MESA 6.1 5.5 4.6 6.2 5.9 5.4 6.5 6.4 6.0 6.3 6.1 7.7 9.9 10.6 11.8 12.7 11.8 10.8 9.0 7.5 5.8 7.7 12.7 15
OTAY MESA DVN 5.6 5.5 5.4 5.4 5.3 4.8 5.1 5.9 6.2 5.9 6.5 10.1 12.7 14.0 12.6 13.4 12.4 11.0 8.6 7.6 7.2 8.2 14.0 13
PENDLETON 4.2 4.7 4.0 3.8 3.7 3.1 1.7 2.6 3.1 4.4 5.8 9.5 9.5 10.7 11.9 9.5 6.0 6.1 5.7 3.8 3.7 5.6 11.9 14
16 AMBTEMP °F ALPINE 55.8 55.6 54.9 54.0 54.1 54.1 54.1 54.5 55.3 57.0 60.4 64.2 67.9 68.1 68.5 67.7 63.5 60.2 57.6 56.6 56.0 59.1 68.5 14
CARMEL MT RCH 60.0 59.8 59.6 58.7 58.5 58.8 59.1 60.1 61.4 62.1 64.0 67.1 69.3 69.5 69.3 67.2 64.5 63.1 62.3 61.8 62.0 62.8 69.5 13
CHULA VISTA 64.1 63.2 62.8 62.6 62.5 62.7 62.8 63.4 64.0 65.0 65.2 66.1 67.9 68.2 67.8 67.2 66.6 65.1 64.3 64.3 63.7 64.7 68.2 13
DOWNTOWN SE 62.4 62.1 62.2 62.4 62.3 61.8 61.6 62.5 63.4 64.3 65.1 67.2 69.0 69.5 68.8 68.1 66.0 64.6 64.0 63.7 63.4 64.5 69.5 13
EL CAJON LES 62.8 62.1 61.1 61.0 60.6 60.5 61.3 62.9 64.1 65.3 67.0 68.6 72.1 73.0 72.6 71.3 68.4 65.9 64.6 63.9 63.5 65.4 73.0 13
KEARNY MESA 61.9 61.6 61.8 61.4 60.4 60.8 61.2 62.3 63.1 63.7 64.9 66.6 68.3 68.7 68.4 66.6 65.0 63.9 63.2 62.8 62.9 63.8 68.7 13
OTAY MESA DVN 61.6 61.6 61.1 60.7 60.3 59.6 59.9 61.0 61.9 62.6 64.2 65.8 68.3 68.7 68.5 67.3 64.7 63.1 62.5 61.8 61.5 63.2 68.7 13
PENDLETON 60.6 59.8 60.2 60.6 60.4 61.3 62.7 63.5 64.3 64.8 65.6 67.0 67.4 67.8 67.5 67.0 66.3 65.7 64.7 64.1 64.1 64.1 67.8 13
Current Date: 5/25/2026 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 64.4 64.1 63.6 63.6 63.5 63.5 64.0 64.3 64.6 65.3 66.1 66.8 69.4 70.0 69.7 69.1 67.5 66.3 65.3 64.8 64.5 65.7 70.0 13
17 RELHUM % ALPINE 95 95 98 100 100 100 100 100 100 94 81 70 60 58 57 58 68 76 83 86 87 84 100 03
EL CAJON LES 79 81 84 86 89 90 84 79 74 70 67 63 54 51 51 55 59 64 68 69 71 71 90 05
KEARNY MESA 81 81 81 84 88 86 84 79 76 74 71 67 63 61 62 66 69 71 73 75 74 75 88 04
18 PRES mmHg EL CAJON LES 749 749 748 748 748 749 749 749 749 749 748 748 748 747 747 747 747 747 747 747 747 748 749 00
KEARNY MESA 750 749 749 749 749 750 750 750 750 750 749 749 749 748 748 748 748 748 748 748 748 749 750 00
19 SOLAR W/M2 EL CAJON LES 2 2 2 1 2 13 57 121 167 261 398 770 1040 945 810 631 248 70 12 2 2 265 1040 12
KEARNY MESA 1 1 1 1 2 22 72 143 157 197 325 594 840 968 792 446 215 79 12 1 1 232 968 13
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 4 8 12 18 26 45 57 51 43 32 14 4 1 0 0 15 57 12
25 NOY EL CAJON LES 1.35 1.07 1.11 1.04 1.28 C C 2.43 1.92 1.43 1.68 1.57 1.72 1.76 1.76 1.54 1.36 1.19 1.32 1.40 1.70 1.50 2.43 07
26 NOY-NO EL CAJON LES 1.34 1.07 1.09 1.03 1.26 C C 2.16 1.69 1.21 1.38 1.32 1.47 1.50 1.44 1.23 1.09 1.04 1.16 1.18 1.60 1.32 2.16 07
27 NO Trace EL CAJON LES .00 .00 .02 .01 .02 C C .27 .23 .21 .29 .25 .24 .25 .31 .31 .27 .15 .15 .21 .09 .17 .31 14
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .1 .2 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .2 07
29 CO Tr PPB EL CAJON LES 131.5 127.1 C C C 140.4 146.9 152.0 156.4 154.1 155.9 158.7 165.4 160.5 167.7 150.8 150.5 144.1 138.3 143.6 141.7 149.2 167.7 14
BCarbon ug/m3 10TH AVE MARIN .10 < .09 .05 .06 .07 < .13 .18 .13 .17 .18 .16 .12 .14 .12 .19 .09 < .08 .09 .12 .19 16
ALPINE .15 .15 .12 .08 .07 .05 .09 .08 .07 < .07 .08 .09 .13 .14 < .08 .07 .08 .07 < .09 .15 00
BOSTON AVE .17 .13 .10 .12 .11 .18 .23 .16 .21 .27 .23 .25 .25 .21 .15 .14 .13 .25 .21 .21 .16 .18 .27 09
CHICANO PARK < .10 .08 .08 < < .14 .14 .12 .16 .21 .20 .15 .27 .10 .11 .10 .14 .18 .12 < .14 .27 13
DOWNTOWN SE .11 .09 .08 .07 < < .10 .10 .10 .11 .14 .19 .15 .14 .11 .09 .12 < < .14 .12 .12 .19 11
OCEANVIEW BLV < .08 .07 .07 < .12 .13 .14 .12 .13 .16 < .17 .13 .12 .09 .14 .12 < .20 < .12 .20 19
OTAY MESA DVN < .12 .09 .07 < .07 < .05 < .06 < .10 < .09 < .06 .05 .06 < .07 .07 .07 .12 01
SAN YSIDRO .33 .09 .09 .08 < < .07 .09 .14 .15 .12 .15 .10 .09 .15 .08 .07 .05 .08 .22 < .12 .33 00
PM10 STD ALPINE 14.2 14.7 15.4 8.1 5.2 3.4 3.4 6.3 7.3 8.7 9.7 10.5 13.6 14.5 17.2 15.1 11.8 10.9 11.0 10.7 13.2 10.7 17.2 14
CARMEL MT RCH 13.4 13.9 13.1 13.0 12.7 12.7 11.0 11.8 10.3 10.7 12.3 18.4 19.7 17.5 15.3 13.1 11.7 9.7 9.6 11.1 11.8 12.9 19.7 12
CHULA VISTA 11.8 13.7 12.3 11.9 10.0 9.4 9.7 8.4 9.7 8.4 14.3 16.2 14.2 14.7 12.4 12.4 10.2 9.0 10.5 9.6 9.9 11.3 16.2 11
DOWNTOWN SE 14.9 14.4 14.5 12.3 11.6 12.4 11.5 11.4 11.6 12.9 15.9 17.6 15.1 16.4 14.9 14.0 12.2 10.6 11.0 11.3 10.5 13.1 17.6 11
EL CAJON LES 14.9 15.1 12.9 12.5 12.9 13.4 11.7 10.7 8.0 7.7 10.7 11.5 15.4 17.4 14.1 12.7 12.5 10.7 10.7 10.7 10.7 12.2 17.4 13
KEARNY MESA 13.4 12.5 11.9 13.4 12.4 12.4 12.0 10.4 10.6 12.5 15.1 17.2 15.5 12.9 13.2 10.2 10.6 10.1 9.0 10.2 9.7 12.1 17.2 11
OTAY MESA DVN 13.2 14.0 12.3 13.0 13.3 10.9 9.3 7.3 7.3 10.7 11.2 13.1 16.4 15.0 15.7 12.6 10.0 10.8 9.7 10.6 11.8 11.8 16.4 12
PENDLETON 12.8 12.5 12.0 13.4 12.7 13.6 14.6 19.2 19.5 17.9 17.7 15.7 15.2 16.1 22.6 25.6 18.6 18.4 24.0 25.4 25.3 17.7 25.6 15
SAN YSIDRO 18.1 16.2 13.3 11.2 12.0 12.7 12.3 11.9 14.6 14.2 14.8 18.4 16.9 16.2 16.9 15.1 13.5 12.6 17.0 13.0 13.1 14.4 18.4 11
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