Current Date: 9/18/2026 10:09 PM
Daily Parameter Report
9/18/2026
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 .037 .037 V V .038 .039 .039 .039 .040 .044 .047 .051 .056 .061 .061 .058 .054 .047 .041 .038 .037 .037 .045 .061 13
CHULA VISTA .039 .038 V V .037 .037 .040 .040 .040 .043 .048 .048 .046 .046 .042 .041 .040 .040 .036 .035 .035 .036 .040 .048 10
DOWNTOWN SE .038 .037 V V .039 .038 .038 .037 .040 .044 .045 .042 .042 .043 .040 .039 .037 .034 .035 .035 .035 .036 .038 .045 10
EL CAJON LES .038 .038 V V V .043 .043 .041 .042 .047 .050 .052 .056 .055 .053 .048 .043 .040 .038 .039 .037 .036 .044 .056 12
KEARNY MESA .033 .033 V V .040 .041 .043 .041 .041 .043 .046 .048 .048 .047 .044 .042 .041 .039 .038 .037 .035 .035 .040 .048 11
OTAY MESA DVN .038 .038 V V .035 .035 .037 .039 .040 .045 .049 .053 .052 .048 .048 .045 .042 .039 .038 .034 .032 .032 .040 .053 11
PENDLETON .028 .029 V V .023 .019 .015 .022 .036 .036 .042 .044 .045 .046 .046 .045 .045 .042 .042 .040 .039 .033 .035 .046 13
03 NO2 PPB ALPINE 1.8 1.6 V V 1.9 1.8 1.6 2.4 2.2 2.2 2.0 1.9 1.7 1.7 2.0 2.1 2.5 3.7 4.5 3.9 2.8 2.4 2.3 4.5 18
CARMEL MT RCH 6.2 6.8 V V 12.4 4.4 3.9 10.6 10.9 6.8 7.7 8.6 8.0 8.3 7.3 6.6 6.8 7.9 6.4 6.3 7.5 7.4 7.5 12.4 04
CHULA VISTA 1.6 1.7 V V 2.4 3.2 2.6 2.4 2.5 4.0 2.4 1.3 1.4 1.3 1.3 1.2 1.4 1.7 3.1 3.2 3.9 3.1 2.2 4.0 09
DOWNTOWN SE 2.0 3.1 V V 3.0 4.0 4.8 5.5 3.9 3.6 4.7 5.3 5.0 4.1 3.0 2.6 5.2 7.3 4.2 5.2 4.1 4.3 4.2 7.3 17
EL CAJON LES 2.6 2.7 V V V 2.5 2.5 3.1 3.3 3.2 2.9 3.0 2.7 3.2 2.9 3.5 3.6 4.4 3.9 3.1 4.0 4.0 3.2 4.4 17
KEARNY MESA 2.9 3.3 V V 2.3 2.1 1.3 1.8 2.3 1.6 .9 1.1 1.1 1.0 1.0 .9 1.1 1.2 1.5 1.5 2.1 2.0 1.6 3.3 01
OTAY MESA DVN 1.6 1.4 V V 1.9 2.0 2.8 1.5 1.5 1.7 1.9 2.1 1.8 1.6 1.6 1.5 1.5 1.8 1.8 2.2 2.6 2.5 1.8 2.8 06
PENDLETON 3.8 2.9 V V 3.7 6.8 7.6 6.2 2.7 6.7 3.4 2.5 .9 .9 .7 1.0 .9 1.2 1.2 1.5 1.0 4.4 3.0 7.6 06
SAN YSIDRO 3.5 5.6 V V 4.8 6.2 5.9 4.4 4.3 4.8 5.5 4.9 4.5 4.7 4.6 5.4 6.2 7.9 9.2 5.8 4.2 4.7 5.3 9.2 18
06 CO PPM CARMEL MT RCH .2 .3 V V .5 .2 .2 .4 .4 .3 .3 .4 .4 .5 .4 .3 .4 .5 .4 .4 .5 .5 .4 .5 04
SAN YSIDRO .2 .2 V V .2 .2 .2 .2 .2 .2 .3 .2 .2 .2 .3 .3 .3 .3 .3 .3 .2 .2 .2 .3 10
07 H2S PPB IB CIVIC CTR .4 .4 .4 .4 .4 .5 .6 .5 .4 .5 .4 .3 .3 .4 .4 .4 .4 .4 .4 .5 .4 .4 .4 .6 06
NESTOR - BES .2 .1 .2 .2 .2 .6 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .1 .2 .2 .3 .2 .2 .2 .6 05
SAN YSIDRO .3 1.5 .0 .2 .2 .2 .2 .1 .2 .1 .2 .2 .0 .1 .2 .1 .2 .9 1.0 .2 .2 .1 .3 1.5 01
10 INTMP °C ALPINE 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 25 25 24 25 00
CARMEL MT RCH 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
CHULA VISTA 26 26 26 25 26 26 26 26 25 25 25 25 25 25 25 25 25 25 25 25 26 25 25 26 00
DOWNTOWN SE 24 25 25 25 25 26 26 26 26 25 25 24 24 24 24 24 25 25 25 26 26 26 25 26 05
EL CAJON LES 26 26 26 27 26 26 26 26 26 26 26 26 26 26 25 25 25 25 25 26 26 26 26 27 03
KEARNY MESA 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
OTAY MESA DVN 25 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 25 25 25 25 00
PENDLETON 25 25 26 25 25 25 25 25 25 25 24 24 24 24 24 24 24 25 25 25 25 25 25 26 02
SAN YSIDRO 25 24 24 24 24 24 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 24 25 00
10 INTMP °C        IB CIVIC CTR 24 24 24 24 24 24 24 22 21 22 22 22 22 22 21 22 23 24 24 24 24 24 23 24 00
NESTOR - BES 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 25 25 25 25 25 25 25 25 00
11 PM2.5 µg/M3 ALPINE 7.0 7.1 7.2 6.9 6.9 7.1 6.8 6.8 6.7 7.2 7.2 6.8 5.8 5.3 6.5 7.0 7.0 6.9 6.2 6.2 6.0 6.3 6.6 7.2 02
CARMEL MT RCH 6.4 6.5 6.0 6.3 6.4 6.3 5.9 5.6 6.8 7.9 8.4 8.7 8.8 7.8 7.8 7.4 7.3 6.7 6.7 6.6 6.8 6.8 6.9 8.8 12
CHULA VISTA 6.7 6.9 6.6 6.6 6.9 6.7 6.6 6.9 6.7 7.6 7.9 7.7 7.8 7.9 8.6 8.0 7.8 7.6 7.0 7.3 8.0 7.7 7.3 8.6 14
DOWNTOWN SE 6.8 7.2 7.4 7.1 7.0 7.4 7.7 8.1 7.5 7.0 7.4 7.6 7.4 7.7 7.3 7.1 7.7 7.4 7.7 8.1 8.5 8.8 7.5 8.8 21
EL CAJON LES 6.8 6.9 7.1 6.9 6.6 6.6 6.8 7.4 7.1 7.2 6.7 5.8 6.2 7.0 6.8 7.0 6.6 6.7 6.6 6.8 7.0 7.0 6.8 7.4 07
KEARNY MESA 8.3 7.7 7.3 7.3 7.0 7.1 6.8 6.2 5.9 6.2 7.4 8.6 8.6 8.1 8.5 8.2 7.6 7.2 7.4 7.6 7.9 8.5 7.5 8.6 11
Current Date: 9/18/2026 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 6.7 6.7 6.7 6.5 6.5 6.7 10.9 6.9 7.4 6.8 6.8 7.5 7.1 7.0 7.1 6.7 6.7 6.8 6.5 6.6 7.1 7.1 7.0 10.9 06
PENDLETON 7.3 7.4 7.3 7.3 7.3 7.4 7.7 8.1 8.0 8.3 7.9 7.8 7.7 7.5 7.4 7.3 7.7 8.5 9.0 10.0 9.2 8.8 7.9 10.0 19
SAN YSIDRO 9.3 8.2 8.3 8.4 8.1 8.3 7.8 8.0 8.4 8.4 8.9 8.2 8.3 8.1 7.9 8.9 9.0 9.2 8.6 8.8 8.5 9.1 8.4 9.3 00
12 VWDR ° ALPINE 292 326 21 329 316 4 39 174 222 240 238 223 242 244 243 249 271 262 252 259 335 357 0 357 21
CHULA VISTA 305 328 344 336 334 359 346 313 299 292 272 263 261 268 262 268 262 276 293 306 334 339 0 359 05
DOWNTOWN SE 328 322 339 318 335 10 17 25 332 312 279 284 282 270 254 255 274 290 310 307 325 325 0 339 02
EL CAJON LES 312 324 2 339 342 29 34 22 225 328 354 295 262 258 274 253 257 255 283 311 312 323 0 354 10
KEARNY MESA 296 292 302 268 299 10 323 329 307 327 356 304 277 284 278 288 290 294 298 298 300 294 0 356 10
OTAY MESA DVN 323 329 314 309 317 324 351 307 273 302 296 282 277 277 276 281 278 278 281 334 333 330 0 351 06
PENDLETON 48 59 57 42 48 45 32 39 54 231 245 246 252 257 257 260 267 271 262 294 272 345 0 345 21
13 SIGTHETA ° ALPINE 37 53 43 52 43 39 43 55 46 44 39 38 34 26 31 27 28 26 26 28 22 44 37 55 07
CHULA VISTA 26 23 18 21 23 22 31 42 51 49 21 19 21 22 19 20 19 19 15 18 18 26 25 51 08
DOWNTOWN SE 22 29 24 24 24 18 21 34 52 61 37 28 28 33 25 23 27 22 25 22 22 21 28 61 09
EL CAJON LES 24 23 21 18 24 17 47 49 42 50 70 44 56 26 26 21 26 21 20 17 19 30 31 70 10
KEARNY MESA 16 9 10 26 10 16 24 45 27 29 33 32 17 18 20 17 13 8 8 8 8 16 19 45 07
OTAY MESA DVN 13 17 13 12 12 10 43 21 36 28 29 15 15 14 14 14 14 9 9 18 9 11 17 43 06
PENDLETON 12 10 10 10 8 11 11 11 45 18 10 9 9 12 11 13 17 16 15 18 19 19 14 45 08
14 VWSP MPH ALPINE 1.5 1.8 1.6 1.2 .6 1.9 1.5 2.1 2.6 2.9 3.7 5.0 4.9 5.8 5.7 5.8 4.9 3.9 3.1 1.8 1.6 .9 .0 5.8 13
CHULA VISTA 2.0 2.6 3.2 2.9 2.3 2.9 2.4 2.4 2.4 4.1 8.1 9.1 9.3 9.4 8.7 7.3 6.9 6.3 5.8 5.6 3.7 3.3 .0 9.4 13
DOWNTOWN SE 3.1 2.2 2.8 2.8 2.7 2.5 2.6 2.7 2.7 1.8 5.2 6.8 7.2 7.1 8.0 7.1 6.0 5.5 4.7 4.7 4.1 3.5 .0 8.0 14
EL CAJON LES 2.7 2.8 3.0 3.2 3.5 4.1 2.5 2.3 1.4 2.9 1.7 3.8 3.6 6.8 6.2 6.9 5.4 4.9 5.0 4.9 3.6 2.1 .0 6.9 15
KEARNY MESA 2.0 2.5 2.8 2.4 3.2 3.6 3.2 2.2 4.4 5.1 6.0 6.9 11.5 11.3 9.9 8.4 8.7 8.1 6.2 5.3 4.7 3.7 .0 11.5 12
OTAY MESA DVN 3.5 3.0 4.2 4.3 4.2 3.8 2.9 4.4 3.5 5.8 6.2 10.9 12.4 11.9 11.8 10.3 9.2 8.1 5.6 2.9 3.6 4.0 .0 12.4 12
PENDLETON 4.4 5.1 5.4 5.6 6.6 5.1 5.3 4.7 2.8 4.2 5.7 8.3 9.4 8.3 8.9 7.4 6.2 4.7 5.8 3.3 2.7 2.3 .0 9.4 12
15 SWSP MPH ALPINE 2.2 2.3 1.9 1.7 2.1 2.4 2.3 2.8 3.3 3.8 4.5 6.0 5.8 6.5 6.7 6.4 5.5 4.2 3.4 2.1 1.7 1.6 3.6 6.7 14
CHULA VISTA 2.3 2.8 3.3 3.0 2.5 3.1 2.8 3.0 3.5 5.2 8.6 9.7 9.9 10.2 9.2 7.8 7.2 6.6 6.0 6.0 3.8 3.6 5.5 10.2 13
DOWNTOWN SE 3.3 2.6 3.0 3.1 3.0 2.7 2.7 3.3 3.5 4.0 6.2 7.4 8.1 8.3 8.8 7.7 7.0 6.0 5.1 5.3 4.3 3.8 5.0 8.8 14
EL CAJON LES 3.0 3.4 3.3 3.3 3.9 4.3 3.2 3.5 3.1 3.9 3.1 4.9 5.2 7.7 6.9 7.5 5.9 5.2 5.4 5.1 3.8 2.4 4.5 7.7 13
KEARNY MESA 2.0 2.5 2.8 2.7 3.3 4.1 3.7 3.1 4.9 6.2 7.1 8.2 12.0 11.9 10.4 8.8 9.0 8.1 6.3 5.4 4.8 3.8 6.0 12.0 12
OTAY MESA DVN 3.6 3.3 4.3 4.4 4.3 3.9 4.0 4.9 4.7 6.6 7.0 11.3 12.8 12.3 12.2 10.6 9.5 8.3 5.7 3.5 3.7 4.2 6.6 12.8 12
PENDLETON 4.6 5.2 5.6 5.7 6.7 5.2 5.4 4.9 3.3 4.4 5.8 8.4 9.5 8.4 9.0 7.6 6.4 4.9 6.0 3.5 2.8 3.2 5.8 9.5 12
16 AMBTEMP °F ALPINE 60.6 60.4 60.2 60.1 60.1 59.7 59.1 60.3 64.1 67.5 71.4 74.5 77.1 78.0 78.5 76.5 73.8 69.8 65.6 62.9 61.1 59.9 66.4 78.5 14
CARMEL MT RCH 66.3 66.4 66.5 66.7 66.8 66.2 66.5 67.4 68.1 69.9 73.0 75.9 77.8 78.2 77.5 76.3 74.6 71.2 68.1 67.2 67.4 67.1 70.2 78.2 13
CHULA VISTA 70.0 70.0 69.9 69.8 69.9 70.1 70.5 71.2 72.7 74.7 75.7 75.6 75.7 75.8 75.4 74.5 73.7 72.2 71.1 70.7 70.6 70.5 72.3 75.8 13
DOWNTOWN SE 69.3 69.5 69.5 69.5 69.7 69.7 70.2 71.2 73.0 75.5 77.0 77.8 77.3 77.2 76.2 75.2 74.3 72.2 70.6 70.0 69.5 69.5 72.5 77.8 11
EL CAJON LES 68.8 68.9 68.9 69.0 69.0 68.5 68.5 69.2 70.8 73.5 76.5 80.0 82.4 82.6 82.2 80.0 78.0 74.6 71.2 69.5 68.4 68.5 73.1 82.6 13
KEARNY MESA 68.3 68.4 68.6 68.9 69.0 69.1 69.3 69.6 70.3 72.2 74.9 76.7 77.4 76.7 76.2 75.4 73.7 71.1 68.6 68.2 67.8 68.5 71.3 77.4 12
OTAY MESA DVN 67.6 67.7 67.7 67.6 67.5 67.4 68.2 69.2 72.3 73.9 76.6 77.0 77.5 76.5 75.9 74.7 73.1 70.3 67.8 67.2 66.4 66.4 70.8 77.5 12
PENDLETON 66.6 66.8 66.6 66.0 66.0 66.4 66.0 68.2 70.9 72.4 72.9 74.2 75.2 75.5 75.3 74.8 73.6 72.0 71.4 71.4 71.3 70.5 70.6 75.5 13
Current Date: 9/18/2026 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 70.8 70.6 70.9 70.8 70.8 70.8 71.2 72.3 73.9 76.2 78.3 78.0 78.0 77.8 77.1 76.2 74.8 72.8 71.4 71.2 71.4 71.6 73.5 78.3 10
17 RELHUM % ALPINE 91 92 92 91 90 91 92 86 75 67 58 50 43 41 43 49 57 66 76 83 90 95 74 95 21
EL CAJON LES 76 76 75 76 75 74 73 71 67 59 53 48 42 43 45 50 54 60 67 77 82 81 65 82 20
KEARNY MESA 79 79 78 74 74 74 72 73 71 67 61 58 55 59 61 62 65 71 82 83 84 82 71 84 20
18 PRES mmHg EL CAJON LES 751 751 750 750 751 751 751 751 751 751 750 750 749 749 749 748 748 748 749 749 749 749 750 751 00
KEARNY MESA 752 752 751 752 752 752 752 752 752 752 751 751 750 750 750 750 750 750 750 750 750 750 751 752 00
19 SOLAR W/M2 EL CAJON LES 3 3 3 3 3 5 40 132 316 665 838 883 864 775 627 435 218 37 -2 -1 -1 1 266 883 11
KEARNY MESA 1 1 1 1 1 4 46 108 233 595 880 913 891 800 656 467 239 49 1 1 1 2 268 913 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 3 9 21 39 48 51 50 45 35 24 11 2 0 0 0 0 15 51 11
25 NOY EL CAJON LES 1.73 1.73 1.50 1.67 2.38 V V 2.32 2.77 3.14 2.99 3.43 3.19 3.55 3.20 3.45 3.51 3.84 3.12 2.30 2.80 2.82 2.77 3.84 17
26 NOY-NO EL CAJON LES 1.71 1.70 1.48 1.63 2.35 V V 2.02 2.36 2.61 2.63 3.06 2.92 3.14 2.93 3.03 3.10 3.60 2.69 2.23 2.64 2.74 2.52 3.60 17
27 NO Trace EL CAJON LES .02 .02 .01 .03 .03 V V .30 .41 .53 .35 .37 .27 .40 .27 .42 .40 .23 .67 .06 .16 .07 .25 .67 18
28 SO2 Tr PPB EL CAJON LES .0 .0 V V V .0 .0 .0 .0 .0 .1 .1 .0 .0 .0 .0 .0 .0 .0 .0 .1 .0 .0 .1 10
29 CO Tr PPB EL CAJON LES 172.1 169.8 V V V 175.9 183.2 197.8 210.2 208.9 208.8 205.7 200.2 213.3 201.6 209.8 198.8 210.3 184.4 188.2 191.2 193.7 195.9 213.3 13
BCarbon ug/m3 10TH AVE MARIN < < < < < < < < < < < < < < < < < < < < < < < <
ALPINE < < < < < < < < < < < < < < < < < < < < < < < <
BOSTON AVE .15 .17 .23 .22 .30 .55 .49 .41 .35 .44 .42 .33 .34 .26 .24 .26 .29 .29 .40 .43 .49 .44 .34 .55 05
CHICANO PARK < < < < < < < < < < < < < < < < < < < < < < < <
DOWNTOWN SE < < < < < < < < < < < < < < < < < < < < < < < <
OCEANVIEW BLV < < < < < < < < < < < < < < < < < < < < < < < <
OTAY MESA DVN .10 .11 .10 .09 .09 < < < < < < < < < < < < < < < < .13 .10 .13 21
SAN YSIDRO < < < < < < < < < < < < < < < < < < < < < < < <
PM10 STD ALPINE 15.4 18.1 16.8 16.0 15.2 17.1 15.2 15.0 17.7 18.3 20.0 21.0 20.0 18.3 20.9 21.7 21.3 19.0 16.5 16.2 16.3 15.0 17.7 21.7 15
CARMEL MT RCH 13.7 14.3 13.4 14.0 14.9 15.1 12.9 12.8 16.5 18.3 19.4 21.9 22.4 21.6 21.2 18.6 18.4 15.5 16.3 16.1 15.9 16.7 16.8 22.4 12
CHULA VISTA 14.1 15.0 14.8 14.7 16.2 15.3 14.9 15.0 15.6 19.0 19.9 19.2 18.7 19.6 18.5 17.9 18.7 18.7 16.9 17.4 18.9 18.3 17.1 19.9 10
DOWNTOWN SE 14.5 15.5 16.6 16.6 16.0 16.2 18.4 21.0 20.3 17.1 20.6 19.3 19.1 24.9 21.0 16.3 18.4 17.8 18.0 17.9 19.8 20.3 18.4 24.9 13
EL CAJON LES 15.6 15.0 15.5 15.5 15.3 14.7 16.2 19.2 17.5 17.8 17.5 18.4 19.9 21.4 20.1 19.2 17.3 18.3 16.7 15.2 16.7 17.0 17.2 21.4 13
KEARNY MESA 25.3 17.2 17.7 17.0 15.6 17.7 16.9 14.8 15.2 16.5 16.7 23.7 26.5 22.4 25.0 24.1 20.1 17.1 18.2 19.3 20.4 21.3 19.4 26.5 12
OTAY MESA DVN 16.8 15.0 16.8 15.4 15.1 15.9 66.5 18.1 24.2 20.7 22.1 29.2 25.1 25.0 22.5 18.2 18.4 17.1 17.8 21.4 19.9 18.4 21.8 66.5 06
PENDLETON 19.2 17.4 16.1 16.7 15.7 16.2 19.7 21.8 18.5 19.7 20.0 19.1 19.2 24.2 22.0 23.2 23.0 25.6 25.7 30.4 25.0 24.0 21.0 30.4 19
SAN YSIDRO 20.2 19.6 18.2 18.5 18.2 20.3 20.8 18.2 18.9 25.1 24.6 22.4 25.9 24.0 23.4 29.9 22.5 28.4 24.0 21.5 19.7 22.5 22.1 29.9 15
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