Current Date: 5/27/2026 10:09 PM
Daily Parameter Report
5/27/2026
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 .040 .037 C C .035 .031 .031 .033 .035 .036 .037 .040 .040 .040 .040 .039 .036 .035 .033 .031 .031 .030 .035 .040 00
CHULA VISTA .041 .043 C C .035 .033 .033 .034 .034 .035 .035 .035 .035 .034 .034 .034 .033 .032 .032 .032 .032 .032 .034 .043 01
DOWNTOWN SE .040 .040 C C .032 .029 .030 .029 .029 .031 .031 .032 .034 .032 .031 .031 .031 .030 .030 .030 .030 .030 .031 .040 00
EL CAJON LES < < < < < < < P .032 .034 .036 .035 .036 .034 .036 10
KEARNY MESA .039 .041 C C .031 .029 .032 .034 .036 .035 .035 .036 .035 .035 .035 .035 .033 .033 .032 .030 .029 .029 .033 .041 01
OTAY MESA DVN .034 .033 C C .030 .030 .029 .032 .034 .035 .036 .037 .036 .036 .035 .035 .034 .033 .032 .031 .028 .027 .032 .037 11
PENDLETON .041 .039 C C .033 .033 .033 .031 .032 .032 .033 .033 .033 .033 .032 .032 .033 .032 .032 .032 .032 .032 .033 .041 00
03 NO2 PPB ALPINE 1.8 1.7 C C 2.8 3.3 2.7 2.0 1.9 2.0 1.8 1.6 2.1 2.2 2.4 2.1 2.6 2.9 3.2 2.7 2.9 2.6 2.3 3.3 05
CARMEL MT RCH 3.5 3.3 C C 7.7 8.9 12.4 11.3 10.6 10.6 8.8 7.1 6.3 6.3 6.8 5.3 6.4 5.7 4.5 5.5 5.6 4.3 7.0 12.4 06
CHULA VISTA 1.1 1.0 C C 1.6 2.5 2.0 2.3 1.3 1.1 1.4 1.2 1.3 1.1 1.3 1.4 1.3 1.4 1.5 1.6 1.4 1.4 1.4 2.5 05
DOWNTOWN SE 1.6 1.7 C C 2.8 4.0 4.2 4.4 3.6 2.5 3.3 2.6 2.5 2.2 2.3 2.8 2.3 1.9 2.5 2.4 2.5 2.5 2.7 4.4 07
EL CAJON LES < < < < P 3.5 2.4 2.4 2.7 2.6 2.7 3.5 08
KEARNY MESA .6 .6 C C 3.4 4.4 2.3 1.5 .9 1.3 1.0 .8 .9 .8 .7 .7 .7 .9 1.3 2.0 2.7 2.4 1.4 4.4 05
OTAY MESA DVN 4.6 3.0 C C 1.8 2.2 3.1 2.0 1.1 1.4 1.3 2.1 1.8 1.7 1.3 1.3 1.2 1.3 1.2 1.3 3.6 3.6 2.0 4.6 00
PENDLETON .6 .5 C C .8 .7 1.1 2.0 1.2 1.4 .8 .8 1.7 .8 .7 .9 .9 .7 .7 .9 .9 .8 .9 2.0 07
SAN YSIDRO 4.4 2.9 C C 8.4 7.5 6.9 4.9 4.9 4.6 2.1 4.6 3.2 2.8 2.5 2.6 2.4 3.5 5.2 6.5 5.3 5.8 4.5 8.4 04
06 CO PPM CARMEL MT RCH .1 .1 C C .2 .4 .4 .4 .3 .3 .3 .3 .3 .3 .4 .3 .3 .3 .3 .3 .3 .3 .3 .4 05
SAN YSIDRO .2 .2 C C .3 .3 .3 .2 .2 .1 .1 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .3 04
07 H2S PPB IB CIVIC CTR .9 .7 .7 .7 .8 .8 .7 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .6 .9 00
NESTOR - BES 1.7 1.1 .9 1.0 1.0 2.0 1.6 .6 .5 .6 .9 1.1 .7 .6 .6 .5 .6 .5 .8 .6 1.2 2.8 .9 2.8 21
SAN YSIDRO 2.4 6.8 5.7 10.2 12.6 6.7 4.0 1.9 .9 .9 .5 .6 .6 .6 .5 .5 .6 .5 1.3 3.0 7.0 14.6 3.7 14.6 21
10 INTMP °C ALPINE 27 27 27 27 27 27 27 26 26 26 27 26 26 26 26 25 26 26 26 27 27 27 26 27 00
CARMEL MT RCH 25 25 25 25 25 25 24 25 24 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 00
CHULA VISTA 24 24 24 25 25 25 24 25 24 24 24 24 24 24 24 24 24 24 23 24 24 24 24 25 03
DOWNTOWN SE 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
EL CAJON LES < < < < < < < P 26 26 26 25 26 26 26 08
KEARNY MESA 24 24 24 24 24 24 24 24 24 23 23 24 24 24 24 25 24 24 25 25 25 24 24 25 15
OTAY MESA DVN 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 00
PENDLETON 25 26 26 26 26 26 26 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 26 01
SAN YSIDRO 25 25 25 25 25 24 24 24 25 25 24 24 24 24 24 24 24 24 24 24 25 25 24 25 00
10 INTMP °C        IB CIVIC CTR 28 28 27 27 27 27 27 26 26 25 25 26 25 25 24 25 26 26 27 27 27 27 26 28 00
NESTOR - BES 26 26 27 27 26 26 26 25 25 25 25 25 25 25 25 25 26 26 26 26 26 26 26 27 02
11 PM2.5 µg/M3 ALPINE 3.5 2.7 4.4 4.8 4.8 4.6 4.4 4.4 4.2 4.0 4.1 3.7 4.4 4.6 4.3 4.3 4.2 4.1 4.0 4.0 3.9 3.8 4.1 4.8 03
CARMEL MT RCH 5.3 5.2 5.4 5.3 5.4 5.7 6.3 6.1 5.5 5.5 5.7 5.0 4.4 4.3 4.2 4.2 4.4 4.4 4.3 4.3 4.3 4.2 4.9 6.3 06
CHULA VISTA 4.9 5.1 5.1 5.2 5.4 5.3 5.1 5.1 4.7 4.8 5.8 5.7 5.7 5.5 5.1 5.3 5.0 4.6 4.4 3.9 4.0 3.5 4.9 5.8 10
DOWNTOWN SE 5.3 5.4 5.1 5.7 5.3 4.9 5.2 5.2 5.5 5.5 5.8 5.3 4.9 5.1 5.0 4.6 4.5 4.4 4.3 4.2 3.9 3.8 4.9 5.8 10
EL CAJON LES P 4.6 4.3 4.3 4.8 5.1 4.6 5.1 12
KEARNY MESA 5.5 5.3 5.3 5.3 5.7 5.6 5.6 5.2 4.9 M M 4.8 4.6 5.0 4.6 4.7 4.4 4.5 4.4 4.4 4.2 4.0 4.9 5.7 04
Current Date: 5/27/2026 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 4.9 5.0 5.0 4.9 5.0 4.9 5.0 4.9 4.5 4.2 4.3 5.0 4.9 4.5 4.1 4.4 4.3 4.5 4.0 3.8 4.3 4.3 4.5 5.0 01
PENDLETON 5.3 6.0 5.9 6.1 6.3 6.5 6.2 6.4 7.1 5.8 5.5 5.0 4.0 3.8 3.9 4.2 4.4 4.1 4.5 5.1 5.8 5.5 5.3 7.1 08
SAN YSIDRO 5.0 6.0 5.7 6.2 6.5 6.1 5.9 5.9 5.7 5.9 6.1 7.0 7.4 5.5 5.1 5.3 5.0 5.0 4.9 4.9 4.6 4.7 5.6 7.4 12
12 VWDR ° ALPINE 194 256 234 217 188 136 190 206 222 239 221 215 252 251 255 251 257 231 246 225 258 228 0 258 20
CHULA VISTA 253 274 268 258 257 268 258 260 253 239 262 256 249 254 259 257 263 266 269 275 265 269 0 275 19
DOWNTOWN SE 253 258 256 233 258 243 235 223 217 216 229 227 221 224 247 247 262 254 251 260 257 266 0 266 21
EL CAJON LES < < < < < < < P 241 228 242 244 260 0 260 12
KEARNY MESA 262 254 258 246 249 270 261 231 238 252 250 235 245 247 251 247 263 271 278 274 267 258 0 278 18
OTAY MESA DVN 179 256 277 297 338 6 270 275 264 249 271 254 264 254 270 281 279 275 279 276 262 267 0 338 04
PENDLETON 242 240 229 230 233 230 225 208 177 192 219 221 232 235 232 246 250 250 256 260 259 269 0 269 21
13 SIGTHETA ° ALPINE 16 27 23 26 22 25 36 31 44 46 38 38 31 28 31 30 29 25 30 25 31 27 30 46 09
CHULA VISTA 21 18 20 21 22 22 22 20 33 27 25 22 23 20 25 22 21 24 21 23 22 18 22 33 08
DOWNTOWN SE 22 22 24 19 29 25 20 23 24 25 25 21 20 21 26 28 25 29 24 25 23 22 24 29 04
EL CAJON LES P 36 39 31 25 20 30 39 09
KEARNY MESA 9 10 8 15 17 14 15 20 34 23 26 16 17 16 21 21 17 15 12 8 8 6 16 34 08
OTAY MESA DVN 22 10 14 17 38 43 12 16 16 38 23 21 16 18 19 17 17 13 12 10 15 10 19 43 05
PENDLETON 11 10 10 10 10 11 11 14 14 15 14 11 11 11 12 9 9 9 11 12 12 16 12 16 21
14 VWSP MPH ALPINE 4.7 4.8 4.6 2.1 1.8 2.4 2.2 2.0 2.1 3.0 5.2 4.8 5.4 6.8 5.8 5.8 5.5 5.9 5.2 5.3 3.0 2.9 .0 6.8 13
CHULA VISTA 4.9 6.0 5.6 4.6 3.7 3.9 4.7 5.4 4.5 5.4 7.9 9.2 9.0 10.0 8.2 8.1 8.5 7.0 6.6 4.9 4.2 4.4 .0 10.0 13
DOWNTOWN SE 5.5 5.6 4.3 4.2 3.4 3.5 5.5 5.7 5.7 6.9 6.3 7.9 9.5 8.7 7.0 6.7 6.5 6.0 6.1 4.8 4.6 4.5 .0 9.5 12
EL CAJON LES < < < < < < < P 3.4 3.7 4.8 6.8 8.9 .0 8.9 12
KEARNY MESA 9.6 6.7 5.5 3.5 4.4 4.6 7.1 6.0 4.3 7.4 8.2 10.3 12.3 13.1 10.1 9.5 10.9 9.0 8.0 6.2 6.3 6.6 .0 13.1 13
OTAY MESA DVN 3.9 4.4 2.8 2.7 1.5 1.0 4.3 5.7 6.5 4.8 7.1 9.0 14.2 13.0 11.4 10.5 10.7 9.6 8.2 6.1 2.9 5.0 .0 14.2 12
PENDLETON 9.3 7.9 8.5 9.9 8.7 8.6 7.6 6.7 8.4 8.0 9.6 10.5 11.1 10.6 9.9 10.7 10.8 9.3 9.0 7.1 7.7 5.0 .0 11.1 12
15 SWSP MPH ALPINE 5.0 5.5 5.0 2.3 2.1 2.7 3.1 2.7 2.9 4.3 6.3 6.1 6.5 7.5 6.7 6.7 6.2 6.5 5.8 5.9 3.4 3.1 4.8 7.5 13
CHULA VISTA 5.4 6.3 5.9 4.9 4.0 4.2 5.2 5.8 5.1 6.2 8.7 10.1 9.7 10.6 9.0 8.7 9.2 7.7 7.0 5.3 4.5 4.6 6.7 10.6 13
DOWNTOWN SE 6.0 6.0 4.6 4.4 3.8 3.8 5.8 6.4 6.3 7.5 6.9 8.4 10.2 9.4 7.9 7.5 7.1 6.9 6.8 5.3 5.0 4.9 6.4 10.2 12
EL CAJON LES < < < < < < < P 4.4 4.6 5.5 7.8 9.4 6.3 9.4 12
KEARNY MESA 9.7 6.8 5.6 3.6 4.7 4.8 7.3 6.6 5.6 8.0 9.2 10.8 13.0 13.6 10.9 10.3 11.5 9.5 8.2 6.3 6.4 6.7 8.1 13.6 13
OTAY MESA DVN 5.7 4.6 2.9 2.8 1.9 1.5 4.4 5.9 6.8 5.7 7.7 9.5 14.7 13.7 12.0 11.0 11.2 10.1 8.4 6.2 3.1 5.3 7.1 14.7 12
PENDLETON 9.5 8.0 8.7 10.1 8.8 8.8 7.8 6.9 8.7 8.5 9.9 10.7 11.3 10.8 10.1 10.9 10.9 9.4 9.1 7.3 7.8 5.2 9.1 11.3 12
16 AMBTEMP °F ALPINE 51.6 50.5 49.6 49.6 49.6 49.7 50.1 51.7 52.8 54.5 57.4 59.5 59.3 59.0 58.9 59.2 58.2 56.4 54.7 52.8 52.1 51.3 54.0 59.5 11
CARMEL MT RCH 56.9 56.4 55.9 55.9 56.2 56.9 59.2 60.5 61.6 63.5 64.3 65.2 65.0 65.7 67.1 66.0 64.4 63.0 59.9 59.3 59.0 57.9 60.9 67.1 14
CHULA VISTA 60.4 60.3 60.1 60.0 60.3 60.6 61.4 62.0 63.3 64.8 65.2 65.4 65.5 65.9 65.8 65.6 64.7 63.9 62.3 61.6 61.5 61.1 62.8 65.9 13
DOWNTOWN SE 59.5 59.4 59.3 59.4 60.0 60.5 61.4 62.5 64.3 65.7 64.1 66.0 66.8 66.3 66.5 66.7 65.8 64.1 62.5 61.7 61.4 60.9 62.9 66.8 12
EL CAJON LES < < < < < P 62.4 64.1 65.6 65.5 66.8 64.9 66.8 12
KEARNY MESA 59.0 58.3 57.1 58.3 59.0 59.5 60.8 62.0 63.1 64.0 64.7 66.2 66.4 66.6 66.8 65.7 64.2 63.0 61.3 59.8 59.3 58.6 62.0 66.8 14
OTAY MESA DVN 56.7 56.4 56.6 56.5 56.5 57.1 57.6 58.6 60.5 63.2 64.1 64.8 66.6 67.5 66.5 64.7 64.4 61.9 59.7 58.1 56.9 57.2 60.6 67.5 13
PENDLETON 61.7 61.4 61.3 61.3 61.3 61.5 62.2 62.2 62.9 64.2 65.0 65.6 65.9 65.7 65.6 65.2 64.8 64.0 63.2 62.4 62.5 62.1 63.3 65.9 12
Current Date: 5/27/2026 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 59.9 59.1 58.7 58.7 59.4 59.9 61.1 62.0 64.1 65.4 66.8 66.7 66.7 66.9 67.4 67.0 65.6 64.5 62.4 61.3 61.2 60.4 63.0 67.4 14
17 RELHUM % ALPINE 95 100 100 98 96 95 94 84 76 69 59 50 57 59 59 58 61 66 73 81 85 89 77 100 01
EL CAJON LES < < < P 51 45 43 48 48 47 51 08
KEARNY MESA 76 72 73 69 70 67 62 55 50 53 55 49 50 51 47 52 56 61 69 73 74 74 62 76 00
18 PRES mmHg EL CAJON LES < < < < < < < P 746 746 746 746 746 746 746 08
KEARNY MESA 746 746 746 746 746 746 747 747 747 747 747 747 747 747 747 747 747 747 747 748 748 749 747 749 21
19 SOLAR W/M2 EL CAJON LES < < P 298 475 624 443 769 522 769 12
KEARNY MESA 1 1 1 2 4 50 143 295 424 457 784 894 843 969 760 581 320 178 37 1 1 1 307 969 13
20 UVRAD W/M2 EL CAJON LES < < < < < P 19 29 39 30 47 33 47 12
25 NOY EL CAJON LES < < < < < < < P 3.18 2.13 2.28 2.47 2.28 2.46 3.18 08
26 NOY-NO EL CAJON LES < < < < < < P 2.31 1.53 1.61 1.85 1.63 1.78 2.31 08
27 NO Trace EL CAJON LES < < < < < < < P .86 .60 .66 .62 .65 .67 .86 08
28 SO2 Tr PPB EL CAJON LES < < < < < < < P .0 .0 .0 .0 .0 .0 .0 08
29 CO Tr PPB EL CAJON LES < < < < P 135.5 128.0 121.9 149.3 130.6 133.0 149.3 11
BCarbon ug/m3 10TH AVE MARIN .02 < .01 < < .04 .19 .09 < < < .08 < .11 < .06 < .11 < < .07 .08 .08 .19 06
ALPINE .07 .04 < < < .10 < .03 .04 .05 .05 .04 < .07 .06 .07 .07 .08 .08 .08 .05 .05 .06 .10 05
BOSTON AVE .04 .07 .03 .06 .15 .11 .16 .20 .18 .28 .28 .25 .27 .19 .16 .24 .18 .11 .16 .13 .20 .17 .16 .28 09
CHICANO PARK < .11 .25 .76 .11 .21 .35 .35 .19 .23 .13 .31 .31 .26 < .23 .16 < .08 < .27 .15 .25 .76 03
DOWNTOWN SE .03 .03 .03 < .03 .07 .09 .13 < .09 .11 .08 .08 .07 .06 .08 .08 .05 .07 .06 .04 .07 .07 .13 07
OCEANVIEW BLV < < .20 .13 .17 .30 .21 .17 .12 .12 .14 < < .12 < .15 < .13 .11 < < .21 .16 .30 05
OTAY MESA DVN .50 .09 .03 .02 .02 .03 .06 < .02 < < .08 .08 .08 < < .03 .04 .03 .02 .06 .17 .08 .50 00
SAN YSIDRO .13 .06 .08 .12 .17 .15 < .09 < < .06 .08 .10 < .08 .06 .05 .10 .09 .08 .09 < .09 .17 04
PM10 STD ALPINE 6.9 4.5 10.0 12.4 11.7 11.5 11.4 12.1 11.6 12.6 11.8 10.9 12.9 12.3 13.3 11.9 11.5 11.8 10.6 10.7 9.7 9.5 10.9 13.3 14
CARMEL MT RCH 14.6 15.7 15.9 16.9 15.9 18.0 21.0 21.3 18.2 17.7 18.2 17.1 14.3 14.0 12.4 12.9 11.8 11.7 11.9 12.3 13.1 12.3 15.3 21.3 07
CHULA VISTA 14.2 15.7 16.1 17.0 15.8 18.0 16.7 15.5 14.8 14.7 17.4 15.7 18.0 15.5 14.3 14.3 13.6 12.5 12.2 10.6 11.2 9.6 14.7 18.0 05
DOWNTOWN SE 14.3 14.9 15.0 17.2 15.4 15.0 16.6 15.8 18.8 19.7 22.1 19.4 15.8 19.0 19.9 15.7 12.6 12.9 11.5 11.2 10.3 13.5 15.7 22.1 10
EL CAJON LES P 13.3 13.0 12.6 15.8 15.0 13.9 15.8 11
KEARNY MESA 15.9 14.9 15.0 16.1 18.2 16.3 16.4 14.8 14.0 M M 14.5 14.8 16.4 14.3 14.0 12.0 12.9 12.9 12.5 12.2 11.7 14.4 18.2 04
OTAY MESA DVN 10.5 13.3 13.9 14.5 14.9 15.5 14.7 14.8 12.6 14.7 13.5 18.2 20.7 16.2 13.1 12.8 13.2 12.8 11.1 10.8 15.9 15.7 14.2 20.7 12
PENDLETON 17.2 21.0 21.2 21.5 20.0 22.9 21.1 25.7 29.9 21.5 18.1 16.5 11.1 9.7 11.2 12.6 15.6 14.3 18.5 21.0 22.5 21.2 18.8 29.9 08
SAN YSIDRO 13.7 18.4 20.1 21.1 23.9 22.0 19.9 21.0 29.8 38.0 26.0 57.5 64.9 24.3 19.5 16.9 17.2 14.9 17.0 18.0 17.4 17.7 24.5 64.9 12
RAINFALL EL CAJON LES < < < < < < < .00 -11.3 .00 .00 .00 .00 -1.89 .00 07