Current Date: 5/24/2026 8:09 PM
Daily Parameter Report
5/24/2026
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 .044 C C .041 .041 .041 .041 .040 .042 .044 .044 .047 .049 .052 .052 .052 .050 .049 .047 .044 .045 .052 13
CHULA VISTA .047 C C .047 .046 .047 .046 .047 .048 .047 .048 .049 .050 .050 .048 .047 .046 .044 .043 .043 .046 .050 12
DOWNTOWN SE .048 C C .047 .046 .045 .044 .045 .045 .046 .045 .047 .047 .046 .045 .044 .042 .042 .041 .041 .044 .048 00
EL CAJON LES .046 C C C .044 .043 .044 .044 .044 .045 .046 .048 .049 .049 .048 .047 .045 .045 .043 .042 .045 .049 12
KEARNY MESA .048 C C .048 .047 .047 .047 .047 .047 .049 .050 .050 .050 .049 .048 .047 .047 .046 .045 .044 .047 .050 10
OTAY MESA DVN .045 C C .044 .045 .045 .045 .046 .046 .047 .048 .050 .053 .053 .052 .049 .048 .046 .043 .042 .047 .053 12
PENDLETON .050 C C .048 .049 .048 .047 .048 .048 .048 .048 .049 .049 .051 .048 .045 .044 .044 .043 .043 .047 .051 13
03 NO2 PPB ALPINE 1.9 C C 2.1 2.2 2.2 2.3 2.4 2.4 2.6 2.5 2.5 2.5 2.4 2.3 2.2 2.1 2.1 2.7 3.0 2.3 3.0 19
CARMEL MT RCH 3.6 C C 2.7 3.5 5.6 5.5 7.8 7.4 7.3 6.7 6.6 5.0 4.9 4.2 4.7 5.0 4.7 5.5 5.6 5.3 7.8 07
CHULA VISTA 1.9 C C 1.8 1.5 1.6 2.3 2.6 2.1 3.9 2.6 2.7 2.9 2.7 1.8 1.7 1.7 2.0 3.3 2.8 2.3 3.9 09
DOWNTOWN SE 1.9 C C 1.7 2.1 2.8 3.6 3.4 3.9 3.5 4.6 3.2 3.6 2.9 2.9 3.4 4.1 3.5 4.0 4.0 3.2 4.6 10
EL CAJON LES 3.4 C C C 3.8 4.2 4.5 5.3 4.9 5.7 4.8 4.4 4.1 3.9 3.6 3.5 3.3 3.6 3.4 3.5 4.1 5.7 09
KEARNY MESA .5 C C .5 .8 .8 .7 .8 1.0 .8 .8 .6 .6 .5 .6 .6 .7 .6 .7 .9 .6 1.0 08
OTAY MESA DVN 1.8 C C 1.2 1.2 1.6 1.3 1.6 1.9 2.3 1.9 1.7 1.9 1.5 1.7 1.5 1.4 1.6 1.9 2.1 1.6 2.3 09
PENDLETON .8 C C .7 .9 1.0 1.0 1.0 .9 .9 1.0 1.0 1.0 1.1 .9 .9 .8 1.0 1.1 1.9 .9 1.9 19
SAN YSIDRO 1.8 C C 1.4 2.3 4.8 3.6 3.8 3.6 2.7 3.1 2.0 1.9 2.3 1.8 1.9 2.3 2.2 2.9 3.2 2.6 4.8 05
06 CO PPM CARMEL MT RCH .3 C C .2 .2 .3 .3 .4 .4 .4 .4 .5 .4 .5 .5 .4 .4 .4 .4 .4 .4 .5 11
SAN YSIDRO .1 C C .1 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 04
07 H2S PPB IB CIVIC CTR .6 .6 .6 .6 .5 .6 .6 .6 .5 .5 .6 .5 .6 .5 .6 .5 .5 .5 .6 .7 .5 .7 19
NESTOR - BES .5 .8 .5 .5 .5 .5 .5 .5 .5 .5 .4 .5 .5 .5 .5 .5 .5 .5 .5 .6 .5 .8 01
SAN YSIDRO 10.2 5.1 8.2 2.9 .4 .5 1.2 2.6 1.5 .5 .5 .5 .4 .5 .3 .3 .4 .4 .5 .6 1.8 10.2 00
10 INTMP °C ALPINE 27 26 27 27 27 27 27 26 26 26 25 25 25 25 25 25 25 25 25 26 26 27 00
CARMEL MT RCH 25 25 25 25 25 24 25 24 24 24 24 24 25 24 24 24 25 25 25 25 25 25 00
CHULA VISTA 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
DOWNTOWN SE 25 25 24 24 24 24 24 24 24 24 24 24 24 24 23 23 23 24 24 24 24 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 25 26 26 26 26 26 00
KEARNY MESA 25 24 24 25 25 25 24 24 25 24 25 24 24 24 24 24 25 24 24 24 24 25 00
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 00
PENDLETON 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
SAN YSIDRO 25 25 25 26 26 26 25 24 25 24 24 24 24 24 24 24 24 24 24 24 25 26 03
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 26 25 24 23 23 24 24 25 26 26 26 25 26 00
NESTOR - BES 26 26 26 26 26 26 26 26 26 25 25 25 24 24 24 25 25 26 26 26 25 26 00
11 PM2.5 µg/M3 ALPINE 8.6 8.0 8.2 8.4 8.3 8.7 8.8 8.5 8.7 8.8 8.3 8.7 8.2 7.4 6.6 6.0 6.0 5.7 6.3 6.4 7.7 8.8 06
CARMEL MT RCH 6.7 5.9 6.1 6.4 6.9 6.5 6.6 7.3 7.1 6.8 6.6 6.1 5.6 7.0 8.3 7.5 6.1 5.7 5.7 5.4 6.5 8.3 14
CHULA VISTA 7.0 7.3 5.9 5.3 5.3 4.9 5.3 5.7 5.6 6.2 7.0 6.2 6.6 6.3 6.4 5.7 4.8 4.5 4.6 4.9 5.7 7.3 01
DOWNTOWN SE 6.5 6.0 6.4 6.1 6.1 6.3 7.4 7.5 7.1 7.5 6.9 6.7 6.4 7.1 7.3 6.3 5.5 5.5 6.1 6.3 6.5 7.5 07
EL CAJON LES 7.3 7.0 7.2 6.9 6.9 7.1 7.2 7.4 7.7 7.8 7.4 7.0 6.6 6.2 5.5 6.1 5.5 5.1 4.8 5.2 6.5 7.8 09
KEARNY MESA 5.0 5.3 5.2 5.2 5.5 5.8 6.3 6.7 6.7 6.8 6.1 5.5 5.1 5.6 6.2 5.3 4.8 4.8 5.1 4.9 5.5 6.8 09
Current Date: 5/24/2026 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 8.2 8.1 8.0 8.0 7.8 7.5 7.6 6.1 6.3 6.6 7.7 8.0 7.3 6.7 6.5 6.1 5.2 4.6 4.8 4.9 6.8 8.2 00
PENDLETON 5.4 5.4 5.4 5.3 5.7 6.0 5.5 5.2 5.3 4.7 4.9 6.1 6.4 6.2 6.2 5.9 5.5 5.4 5.5 7.0 5.6 7.0 19
SAN YSIDRO 7.8 8.2 7.1 6.2 5.8 5.7 5.8 6.2 6.7 7.3 8.0 7.8 7.7 7.8 7.8 7.3 6.0 5.7 5.5 5.8 6.8 8.2 01
12 VWDR ° ALPINE 301 324 356 7 345 293 36 285 267 292 273 249 272 258 270 261 271 287 289 313 0 356 02
CHULA VISTA 297 316 15 325 285 284 292 274 285 301 302 297 305 289 295 295 285 284 292 294 0 325 03
DOWNTOWN SE 321 305 316 319 305 318 289 276 282 318 296 292 294 291 281 289 291 296 304 282 0 321 00
EL CAJON LES 359 305 299 288 258 278 331 285 289 328 291 289 301 294 257 265 258 267 310 309 0 359 00
KEARNY MESA 301 293 280 280 274 284 284 295 308 337 307 306 307 303 288 288 283 299 304 300 0 337 09
OTAY MESA DVN 317 309 316 15 317 344 353 271 284 305 304 297 294 293 273 277 282 281 278 271 0 353 06
PENDLETON 248 194 193 230 224 308 306 285 267 286 291 286 281 282 283 281 285 291 296 293 0 308 05
13 SIGTHETA ° ALPINE 52 59 65 33 56 27 56 41 34 41 34 38 42 36 30 30 31 24 26 19 39 65 02
CHULA VISTA 27 28 50 24 21 15 20 21 20 23 21 20 21 22 21 20 18 19 17 16 22 50 02
DOWNTOWN SE 31 26 28 22 21 25 35 43 33 36 24 26 25 27 23 27 25 30 25 24 28 43 07
EL CAJON LES 59 37 46 40 30 53 46 45 34 21 36 35 31 29 26 20 23 22 20 18 34 59 00
KEARNY MESA 10 9 11 51 12 14 26 22 17 24 14 11 12 18 13 14 15 12 9 9 16 51 03
OTAY MESA DVN 14 19 19 24 33 24 33 15 14 16 16 18 16 23 13 13 13 12 11 8 18 33 04
PENDLETON 14 22 21 29 35 13 14 17 18 20 16 16 17 16 17 17 16 16 16 17 18 35 04
14 VWSP MPH ALPINE 1.5 .8 1.0 1.5 1.0 1.9 .3 2.5 4.0 3.0 4.1 4.6 4.0 4.5 5.0 5.4 4.8 4.6 2.7 2.5 .0 5.4 15
CHULA VISTA 2.6 2.6 1.4 2.7 3.6 4.8 3.9 5.4 6.4 5.4 6.7 9.5 9.4 9.3 10.9 10.1 8.8 6.9 6.3 6.0 .0 10.9 14
DOWNTOWN SE 3.1 4.2 3.4 3.4 4.0 3.3 1.9 2.6 3.5 3.3 5.5 7.4 7.1 6.9 8.1 6.9 5.9 4.6 5.1 4.9 .0 8.1 14
EL CAJON LES 1.6 2.5 1.7 1.7 1.9 .9 1.5 2.2 2.9 4.5 4.6 5.1 5.5 5.2 7.8 8.4 7.2 5.5 5.5 5.2 .0 8.4 15
KEARNY MESA 5.8 5.7 4.4 2.1 4.2 4.3 3.3 4.2 5.0 5.2 7.4 10.5 10.0 9.7 12.9 11.9 9.5 9.2 7.4 7.1 .0 12.9 14
OTAY MESA DVN 4.8 4.4 2.7 2.9 2.6 2.8 2.1 7.0 7.3 7.3 9.4 9.8 10.9 9.4 14.8 14.4 11.9 9.6 8.0 8.3 .0 14.8 14
PENDLETON 3.6 2.5 2.5 2.1 2.0 5.0 4.5 3.8 4.3 3.5 4.1 5.2 5.5 6.3 6.1 6.3 5.5 5.0 4.9 4.2 .0 6.3 13
15 SWSP MPH ALPINE 2.1 1.5 1.8 2.2 1.9 2.2 1.7 3.3 4.7 3.8 5.1 5.5 5.2 5.5 5.9 6.1 5.6 5.0 3.1 2.7 3.7 6.1 15
CHULA VISTA 3.0 3.0 2.4 3.0 3.8 5.0 4.2 5.7 6.8 5.8 7.1 9.9 9.9 9.8 11.6 10.7 9.2 7.3 6.6 6.3 6.6 11.6 14
DOWNTOWN SE 3.6 4.7 4.0 3.6 4.3 3.6 3.5 3.8 4.2 3.9 6.0 8.1 7.9 7.9 8.7 7.7 6.6 5.2 5.6 5.4 5.4 8.7 14
EL CAJON LES 2.4 3.2 2.7 2.2 2.1 2.2 2.2 2.8 3.4 4.8 5.5 6.0 6.6 6.3 8.6 8.9 7.8 6.0 5.9 5.6 4.8 8.9 15
KEARNY MESA 5.9 5.7 4.5 2.5 4.3 4.4 3.7 4.6 5.3 5.8 7.7 10.7 10.2 10.1 13.3 12.3 9.8 9.4 7.5 7.2 7.2 13.3 14
OTAY MESA DVN 5.0 4.6 3.3 3.4 2.9 3.6 3.5 7.3 7.5 7.6 9.9 10.4 11.4 10.2 15.2 14.8 12.3 9.9 8.2 8.4 8.0 15.2 14
PENDLETON 3.7 2.9 2.8 2.3 2.5 5.1 4.6 4.1 4.6 3.8 4.3 5.4 5.8 6.6 6.4 6.6 5.7 5.2 5.1 4.4 4.6 6.6 13
16 AMBTEMP °F ALPINE 55.1 55.0 55.0 55.3 54.9 54.9 55.1 57.0 58.7 59.5 64.0 66.9 69.0 70.6 71.1 70.0 66.7 62.7 59.9 57.3 60.9 71.1 14
CARMEL MT RCH 61.3 60.9 60.7 61.2 61.4 61.1 61.5 62.1 62.5 63.3 64.4 64.6 65.0 68.8 69.5 68.4 66.3 64.2 62.9 62.3 63.6 69.5 14
CHULA VISTA 63.8 63.8 63.6 63.5 63.2 63.1 63.6 63.9 63.9 65.1 66.4 67.0 68.2 69.5 69.0 67.3 66.5 65.9 65.1 64.5 65.3 69.5 13
DOWNTOWN SE 63.4 62.9 62.8 62.7 62.5 62.8 63.1 63.5 63.9 65.1 65.4 65.8 66.6 68.7 67.3 66.1 65.7 65.2 64.3 63.8 64.6 68.7 13
EL CAJON LES 63.0 63.0 62.9 62.8 62.8 63.0 63.6 64.1 64.8 65.9 68.1 71.3 72.2 73.9 74.0 71.9 69.7 67.7 66.1 64.5 66.8 74.0 14
KEARNY MESA 62.4 62.1 62.0 62.1 62.1 62.3 62.8 63.4 63.9 64.7 65.3 64.8 65.2 67.7 67.6 66.3 65.8 64.4 63.5 63.0 64.1 67.7 13
OTAY MESA DVN 61.5 61.4 61.3 61.3 61.1 61.2 61.7 62.3 62.7 63.7 66.7 68.9 69.9 71.3 71.0 68.2 66.0 64.5 63.3 62.1 64.5 71.3 13
PENDLETON 64.1 64.0 64.1 64.2 64.2 63.6 62.9 62.9 63.2 64.0 64.7 65.2 66.6 67.0 67.3 67.0 66.4 65.4 64.4 64.1 64.8 67.3 14
Current Date: 5/24/2026 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 64.0 63.9 63.7 64.1 63.8 63.8 64.3 64.6 65.0 66.2 67.8 69.6 70.9 71.7 70.6 68.9 68.3 67.3 65.5 64.9 66.4 71.7 13
17 RELHUM % ALPINE 93 93 93 91 92 92 92 86 83 81 71 64 60 58 59 61 68 76 83 90 79 93 00
EL CAJON LES 76 77 77 78 78 77 76 74 73 70 65 58 58 56 56 59 62 66 70 75 69 78 03
KEARNY MESA 79 79 79 78 78 78 77 77 76 74 74 77 77 71 71 72 73 76 78 80 76 80 19
18 PRES mmHg EL CAJON LES 749 749 749 749 749 749 749 750 750 750 750 749 749 749 748 748 748 748 748 748 749 750 07
KEARNY MESA 750 750 750 750 749 750 750 751 751 751 751 751 750 750 750 749 749 749 749 749 750 751 07
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 3 18 53 86 123 213 528 954 852 919 794 608 395 132 24 2 286 954 11
KEARNY MESA 1 1 1 1 2 18 55 80 108 177 223 262 377 785 607 369 225 90 16 1 170 785 13
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 4 6 9 15 33 54 50 50 42 32 19 8 1 0 16 54 11
25 NOY EL CAJON LES 1.20 1.12 1.20 1.13 C C 1.61 1.96 1.82 2.40 1.89 1.76 1.82 1.78 1.65 1.68 1.58 1.78 1.53 1.51 1.63 2.40 09
26 NOY-NO EL CAJON LES 1.19 1.11 1.19 1.12 C C 1.51 1.70 1.69 1.95 1.65 1.52 1.49 1.48 1.38 1.43 1.35 1.53 1.44 1.45 1.45 1.95 09
27 NO Trace EL CAJON LES .01 .00 .01 .00 C C .10 .26 .13 .45 .23 .23 .32 .30 .26 .24 .22 .24 .09 .06 .17 .45 09
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 142.2 C C C 148.6 147.1 161.3 159.0 158.7 175.9 166.9 163.6 165.5 165.5 164.2 157.5 157.1 162.3 162.4 161.0 159.9 175.9 09
BCarbon ug/m3 10TH AVE MARIN < .08 .07 .07 < < .11 .12 .25 .17 .19 .18 .18 .18 .25 .22 .23 .16 .13 .13 .16 .25 08
ALPINE .11 .10 .10 < < .11 < .11 < .10 .11 .11 .12 .12 .11 .11 .10 .10 .21 .20 .12 .21 18
BOSTON AVE .16 .18 .13 .14 .17 .18 .19 .26 .24 .28 .30 .28 .28 .25 .22 .27 .21 .40 .36 .31 .24 .40 17
CHICANO PARK < .11 .11 < .10 .12 .14 .18 < < .23 < < .17 < .18 < < .22 .21 .16 .23 10
DOWNTOWN SE .12 .10 .09 .09 .10 .13 .14 .14 .15 .17 .20 .14 .19 < .18 < .18 .15 .24 < .15 .24 18
OCEANVIEW BLV .13 .12 .11 < .11 .13 .14 .18 < .17 .20 .17 .15 .15 .19 .22 .25 .20 < .27 .17 .27 19
OTAY MESA DVN .16 .17 .16 .11 .10 .10 .09 .09 .10 .11 .11 .12 .13 .11 .13 .10 .10 .10 .11 < .12 .17 01
SAN YSIDRO .12 .13 < .09 < .10 .13 .10 .13 < < .10 .10 .12 .11 .10 .09 .08 .11 .14 .11 .14 19
PM10 STD ALPINE 20.0 19.2 19.7 18.0 19.3 20.0 19.7 18.8 21.0 21.7 19.9 21.0 21.3 20.3 17.0 15.0 16.1 13.3 13.3 13.3 18.3 21.7 09
CARMEL MT RCH 15.6 14.8 14.7 14.0 15.2 13.9 16.3 16.5 14.6 17.2 16.7 13.9 12.2 15.6 19.3 17.2 13.4 14.1 13.6 12.2 15.0 19.3 14
CHULA VISTA 16.8 15.7 14.2 12.1 13.5 12.1 12.9 14.1 13.1 15.2 18.0 16.0 17.6 15.5 18.6 16.4 12.0 11.7 11.4 12.4 14.4 18.6 14
DOWNTOWN SE 15.5 14.8 14.2 14.4 14.8 14.7 17.3 18.0 16.3 17.5 16.0 17.0 15.8 15.8 19.0 15.3 13.9 13.7 15.5 15.8 15.7 19.0 14
EL CAJON LES 17.8 16.6 17.8 16.3 16.0 16.5 17.3 18.9 18.2 18.5 17.1 17.2 17.8 15.5 13.2 16.0 13.1 11.8 11.6 12.7 15.9 18.9 07
KEARNY MESA 11.6 12.4 11.4 12.1 13.6 12.4 14.9 15.2 15.1 16.2 14.6 13.3 11.9 12.7 14.1 11.9 10.4 10.5 11.8 12.2 12.9 16.2 09
OTAY MESA DVN 19.1 18.4 17.9 18.2 17.8 18.1 18.0 14.9 15.5 17.8 21.8 24.1 20.3 17.2 19.1 19.8 14.2 12.1 12.4 13.7 17.5 24.1 11
PENDLETON 13.5 14.5 12.3 12.2 12.8 17.0 14.4 14.4 13.4 12.7 14.8 17.9 20.3 21.6 23.3 21.5 17.7 16.6 17.5 19.6 16.4 23.3 14
SAN YSIDRO 18.1 21.2 18.1 15.1 15.3 14.5 14.5 16.9 17.2 19.1 20.9 21.7 21.3 19.5 21.7 19.3 15.1 15.8 15.3 22.4 18.1 22.4 19
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