Current Date: 5/2/2026 5:09 PM
Daily Parameter Report
5/2/2026
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 .023 .029 C C .021 .025 .026 .025 .027 .033 .038 .045 .052 .059 .061 .060 .058 .038 .061 14
CHULA VISTA .042 .041 C C .043 .043 .040 .040 .042 .046 .049 .053 .054 .053 .053 .051 .050 .046 .054 12
DOWNTOWN SE .044 .043 C C .044 .044 .043 .043 .043 .042 .047 .049 .049 .048 .047 .049 .048 .045 .049 11
EL CAJON LES .030 .032 C C C .031 .036 .039 .038 .040 .043 .050 .056 .055 .055 .053 .052 .043 .056 12
KEARNY MESA .033 .041 .043 .041 .041 .042 .039 .041 .048 .049 .051 .052 .054 .053 .054 .054 .053 .046 .054 12
OTAY MESA DVN .033 .031 C C .034 .035 .035 .037 .038 .040 .047 .053 .057 .056 .055 .053 .051 .043 .057 12
PENDLETON .045 .046 C C .043 .042 .042 P .046 .051 .052 .053 .051 .050 .047 .053 14
03 NO2 PPB ALPINE 6.7 5.3 C C 4.1 2.8 3.6 3.5 3.3 4.3 4.0 3.4 3.3 3.1 3.3 3.2 3.2 3.8 6.7 00
CARMEL MT RCH 3.8 4.8 C C 7.2 8.6 10.9 10.6 9.0 7.3 7.6 6.8 7.4 6.3 7.7 7.3 8.0 7.5 10.9 06
CHULA VISTA 3.1 2.5 C C 2.4 2.6 3.8 4.3 4.7 4.5 3.4 3.2 2.4 2.2 1.9 2.0 1.7 2.9 4.7 08
DOWNTOWN SE 3.4 3.5 C C 2.6 2.8 3.0 4.4 4.9 5.8 5.0 4.5 4.3 4.9 6.7 3.3 4.7 4.2 6.7 14
EL CAJON LES 2.5 2.1 C C C 1.8 1.7 2.0 2.2 2.1 1.6 1.6 1.4 1.3 1.4 1.4 1.6 1.7 2.5 00
KEARNY MESA 3.7 1.3 2.5 2.4 2.7 3.3 2.1 1.6 .9 1.1 1.3 1.1 1.0 1.0 .8 .8 1.0 1.6 3.7 00
OTAY MESA DVN 2.0 2.5 C C 2.2 2.2 2.1 2.3 2.8 2.8 2.1 2.4 2.1 1.8 1.6 1.7 1.8 2.1 2.8 08
PENDLETON 2.6 1.8 C C 2.6 2.5 2.3 P 10.9 .0 .5 .8 1.1 1.1 2.3 10.9 11
SAN YSIDRO 4.2 3.5 C C 4.7 6.4 7.4 6.2 8.2 5.6 4.5 3.3 3.6 2.8 2.4 3.1 3.4 4.6 8.2 08
06 CO PPM CARMEL MT RCH .2 .2 C C .3 .4 .4 .5 .4 .3 .4 .5 .5 .4 .5 .5 .6 .4 .6 16
SAN YSIDRO .2 .2 C C .2 .3 .3 .3 .3 .2 .2 .2 .2 .2 .2 .2 .2 .2 .3 05
07 H2S PPB IB CIVIC CTR .5 .6 .7 .5 .6 .5 .6 .6 .5 .5 .5 .4 .5 .5 .6 .5 .5 .5 .7 02
NESTOR - BES .5 4.2 7.6 .5 .6 2.1 3.4 1.2 .4 .4 .4 .4 .4 .4 .4 .4 .4 1.3 7.6 02
SAN YSIDRO 6.9 10.6 9.1 13.9 10.9 9.7 9.3 3.5 3.0 .6 1.5 .5 .6 .5 .5 .7 .9 4.8 13.9 03
10 INTMP °C ALPINE 27 27 27 27 27 27 26 26 26 25 25 25 25 25 25 25 25 26 27 00
CARMEL MT RCH 24 24 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 25 02
CHULA VISTA 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 24 24 23 24 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 26 26 00
KEARNY MESA 24 24 23 24 24 24 24 24 24 24 24 25 25 25 25 25 25 24 25 11
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 26 26 26 26 26 26 26 27 27 00
PENDLETON 26 26 26 26 26 26 26 P 24 25 25 25 25 25 25 26 00
SAN YSIDRO 25 25 25 25 25 25 25 24 25 24 25 24 24 24 24 24 24 25 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 26 26 24 24 24 24 25 26 25 26 00
NESTOR - BES 26 26 26 26 26 26 26 26 26 25 25 25 24 24 25 25 25 25 26 00
11 PM2.5 µg/M3 ALPINE 14.5 13.6 13.6 11.1 7.5 4.3 5.5 8.3 10.3 12.7 11.8 10.2 10.9 11.2 10.6 10.1 9.0 10.3 14.5 00
CARMEL MT RCH 14.2 14.2 14.6 13.2 12.8 9.5 12.4 12.6 11.5 11.2 13.9 13.8 13.2 12.0 10.1 9.9 9.7 12.2 14.6 02
CHULA VISTA 13.7 14.4 14.2 14.2 14.2 13.4 14.8 13.8 13.6 11.1 10.6 11.7 11.4 10.3 9.8 8.8 8.3 12.2 14.8 06
DOWNTOWN SE 16.9 17.5 18.0 16.5 15.0 13.8 14.4 13.6 12.2 12.4 12.5 13.4 12.7 11.8 11.1 10.0 9.5 13.6 18.0 02
EL CAJON LES 14.0 14.1 14.5 14.4 15.3 15.9 15.6 12.8 10.6 11.7 12.2 12.7 10.9 11.1 10.2 8.6 8.4 12.5 15.9 05
KEARNY MESA 12.6 13.3 13.8 14.0 14.1 12.3 15.8 12.3 7.6 8.7 10.5 12.6 12.2 10.6 9.8 8.6 6.7 11.5 15.8 06
Current Date: 5/2/2026 5:09 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 18.6 17.9 17.6 18.4 19.0 18.3 16.3 17.1 16.9 17.1 15.2 14.2 12.9 11.1 10.2 9.5 8.0 15.1 19.0 04
PENDLETON 12.9 12.7 12.8 13.3 13.1 13.1 12.6 P 7.6 8.1 8.8 8.2 8.3 8.1 10.7 13.3 03
SAN YSIDRO 16.7 17.5 17.5 16.7 15.7 14.7 14.0 12.7 15.2 17.0 12.2 13.6 14.2 13.5 11.4 10.6 10.1 14.3 17.5 01
12 VWDR ° ALPINE 8 313 331 51 345 333 113 272 265 272 275 274 288 267 259 264 262 0 345 04
CHULA VISTA 353 135 229 77 25 351 13 10 321 274 274 281 281 287 274 268 264 0 353 00
DOWNTOWN SE 22 84 352 309 295 346 312 347 302 322 265 282 282 278 283 277 273 0 352 02
EL CAJON LES 87 136 204 96 112 99 3 21 14 340 286 144 258 263 266 259 247 0 340 09
KEARNY MESA 87 93 289 95 322 227 72 340 345 354 316 316 306 284 287 296 291 0 354 09
OTAY MESA DVN 33 55 341 7 11 36 41 355 337 323 282 282 275 275 277 274 271 0 355 07
PENDLETON 33 26 18 19 351 7 19 P 268 263 258 261 263 257 0 351 04
13 SIGTHETA ° ALPINE 74 45 56 46 39 43 41 29 48 37 37 37 36 31 36 33 31 41 74 00
CHULA VISTA 42 60 42 35 37 40 27 32 30 23 20 24 21 22 20 20 22 30 60 01
DOWNTOWN SE 50 45 51 39 39 41 44 44 42 38 23 25 22 22 27 24 19 35 51 02
EL CAJON LES 20 49 57 52 18 22 39 46 58 51 63 83 56 27 28 28 24 42 83 11
KEARNY MESA 45 32 21 14 46 33 27 33 25 30 30 19 20 17 15 18 12 26 46 04
OTAY MESA DVN 10 16 58 27 28 15 21 26 21 21 17 16 15 14 15 14 13 20 58 02
PENDLETON 25 14 29 16 23 13 24 P 16 14 11 13 13 14 17 29 02
14 VWSP MPH ALPINE .4 .9 .1 .7 1.0 1.3 .2 2.9 2.2 3.0 3.8 4.1 4.0 5.3 4.7 4.2 3.8 .0 5.3 13
CHULA VISTA 1.6 1.0 .5 1.5 .8 1.1 2.6 2.1 2.6 4.2 7.2 6.8 9.1 9.3 9.3 9.3 7.2 .0 9.3 13
DOWNTOWN SE 1.2 .6 1.0 2.0 2.5 1.7 1.8 1.5 2.3 2.8 5.7 7.1 8.9 7.9 7.6 7.9 6.7 .0 8.9 12
EL CAJON LES 2.8 1.1 .9 3.3 2.7 3.1 1.2 1.3 1.5 1.5 1.9 .7 2.6 6.5 5.3 5.5 4.9 .0 6.5 13
KEARNY MESA .9 .4 2.9 3.0 .6 .4 2.5 2.5 3.4 3.6 4.5 8.6 9.7 11.3 11.3 9.2 9.7 .0 11.3 13
OTAY MESA DVN 3.0 1.8 .4 2.3 2.0 4.3 3.6 2.9 5.3 6.4 8.7 9.0 11.6 12.3 11.4 10.7 9.6 .0 12.3 13
PENDLETON 3.1 3.5 2.5 2.6 2.1 3.9 2.4 P 6.1 7.9 10.5 7.6 6.5 6.4 .0 10.5 13
15 SWSP MPH ALPINE 1.1 1.9 1.2 1.4 1.7 1.6 1.6 3.2 3.0 3.6 4.5 4.9 4.9 6.0 5.7 4.8 4.4 3.3 6.0 13
CHULA VISTA 2.7 1.8 2.3 1.9 1.9 2.0 2.9 2.7 4.0 4.4 7.7 7.4 9.7 10.0 10.0 9.9 7.7 5.2 10.0 13
DOWNTOWN SE 2.2 1.9 1.4 2.5 3.0 2.1 2.5 2.2 2.8 3.4 6.2 7.8 9.6 8.5 8.5 8.6 7.1 4.7 9.6 12
EL CAJON LES 3.0 1.8 1.8 3.8 2.8 3.4 3.6 2.1 2.2 2.7 3.3 3.5 4.8 7.4 6.1 6.2 5.3 3.8 7.4 13
KEARNY MESA 1.2 1.9 3.3 3.2 2.4 2.0 2.6 3.4 3.8 4.3 5.3 9.2 10.4 11.8 11.9 9.7 9.9 5.7 11.9 14
OTAY MESA DVN 3.1 1.9 1.7 2.6 2.7 4.4 3.9 3.5 5.7 7.0 9.1 9.4 12.0 12.7 11.9 11.0 9.9 6.6 12.7 13
PENDLETON 3.4 3.7 3.0 2.7 2.3 4.3 2.7 P 6.3 8.1 10.6 7.7 6.7 6.6 5.2 10.6 13
16 AMBTEMP °F ALPINE 54.8 55.6 53.0 51.7 51.2 51.3 52.9 53.8 54.7 59.6 67.3 70.4 73.4 75.2 75.0 74.4 71.8 61.5 75.2 13
CARMEL MT RCH 60.2 59.6 59.5 59.0 59.1 59.3 59.8 60.3 61.3 63.1 66.8 70.3 71.8 71.1 71.0 69.4 67.5 64.1 71.8 12
CHULA VISTA 62.8 62.5 62.3 62.4 62.5 62.4 62.5 62.8 63.3 63.9 65.2 67.9 69.0 68.4 68.0 67.2 65.3 64.6 69.0 12
DOWNTOWN SE 62.0 62.2 62.3 62.2 61.8 61.7 61.9 62.3 63.0 64.4 65.5 67.7 68.6 68.6 68.2 66.9 65.2 64.4 68.6 12
EL CAJON LES 60.6 60.6 61.4 60.2 59.8 60.1 60.4 60.7 62.0 63.9 67.7 72.9 76.8 77.7 77.7 76.4 73.3 66.6 77.7 13
KEARNY MESA 60.9 61.2 61.4 61.6 61.4 61.2 61.6 62.0 62.7 64.2 66.7 68.5 69.6 69.2 68.1 67.9 65.5 64.3 69.6 12
OTAY MESA DVN 58.5 58.5 59.2 59.4 59.4 59.1 59.0 60.1 61.1 63.9 68.0 69.9 72.1 70.4 69.9 68.3 65.6 63.7 72.1 12
PENDLETON 63.7 63.1 62.9 62.8 63.0 62.6 62.5 P 65.1 65.2 65.1 64.6 64.3 63.4 63.7 65.2 12
Current Date: 5/2/2026 5:09 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 63.3 63.0 62.7 62.4 62.2 62.3 62.5 62.9 64.2 64.3 65.3 68.2 70.7 70.1 69.4 67.9 65.6 65.1 70.7 12
17 RELHUM % ALPINE 95 91 97 96 97 100 100 100 100 87 68 61 52 48 52 53 59 80 100 05
EL CAJON LES 85 86 86 86 88 88 88 88 85 81 72 61 54 53 52 54 59 74 88 04
KEARNY MESA 86 87 87 87 88 89 87 87 84 81 76 74 71 71 72 72 76 81 89 05
18 PRES mmHg EL CAJON LES 748 747 747 748 748 748 748 749 749 748 748 747 746 746 746 745 745 747 749 07
KEARNY MESA 748 748 748 748 749 749 749 749 749 749 749 748 748 748 747 747 747 748 749 04
19 SOLAR W/M2 EL CAJON LES 1 2 2 2 2 14 43 83 133 300 844 918 956 910 769 581 280 344 956 12
KEARNY MESA 2 2 2 2 2 11 37 70 132 272 595 887 945 923 782 601 301 327 945 12
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 3 6 9 19 48 52 53 49 41 30 15 19 53 12
25 NOY EL CAJON LES 3.40 2.95 2.76 3.38 2.88 C C 2.96 3.14 3.18 3.13 3.48 3.44 3.12 3.29 2.67 2.67 3.09 3.48 11
26 NOY-NO EL CAJON LES 3.38 2.92 2.74 3.26 2.86 C C 2.80 2.89 2.80 2.63 3.06 3.04 2.71 2.88 2.32 2.41 2.84 3.38 00
27 NO Trace EL CAJON LES .01 .02 .02 .11 .02 C C .15 .25 .37 .49 .42 .39 .41 .40 .35 .25 .24 .49 10
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 183.5 176.1 C C C 185.7 185.2 184.6 198.3 197.2 196.4 209.8 210.2 202.0 191.5 184.9 185.1 192.1 210.2 12
BCarbon ug/m3 10TH AVE MARIN .28 .27 .24 .19 .16 .17 < .26 .23 .25 .33 < < < < .27 .37 .25 .37 16
ALPINE < .21 .25 .24 .18 .13 .16 < .19 .21 .22 < < < .19 .17 .16 .19 .25 02
BOSTON AVE .24 .23 .19 .26 .25 .23 .28 .32 .52 .39 .48 .38 .37 .22 .25 .26 .24 .30 .52 08
CHICANO PARK .20 .20 .29 .15 .14 .18 .22 .24 < < < .26 .25 .17 .20 < .20 .21 .29 02
DOWNTOWN SE .19 .18 .18 .17 .14 .14 .16 < .21 .21 .24 .25 .25 < .27 .19 .23 .20 .27 14
OCEANVIEW BLV .16 .15 .16 .15 .18 .16 .17 .15 < < < .25 .25 < .25 < .28 .19 .28 16
OTAY MESA DVN .21 .25 .40 < .54 .46 .35 .31 .29 < .21 .20 .21 .16 .14 .13 .11 .26 .54 04
SAN YSIDRO < .22 < .22 .21 .22 .22 .19 .21 .17 .17 .17 .17 .15 .13 .13 < .18 .22 01
PM10 STD ALPINE 29.4 28.8 27.0 21.7 14.3 5.9 8.5 14.7 18.5 24.0 25.5 22.4 28.9 34.9 25.1 23.3 19.8 21.9 34.9 13
CARMEL MT RCH 30.3 28.6 30.3 27.9 25.5 19.1 24.5 26.1 25.6 22.1 28.1 27.5 30.4 31.4 20.8 20.4 19.8 25.7 31.4 13
CHULA VISTA 28.3 29.8 29.1 29.7 29.7 29.0 31.4 28.9 28.6 24.0 23.7 23.5 25.1 22.6 21.2 20.3 18.4 26.0 31.4 06
DOWNTOWN SE 35.5 35.4 37.6 34.1 31.6 28.6 29.1 27.5 26.3 25.5 26.1 27.5 28.3 26.3 23.4 21.1 19.3 28.4 37.6 02
EL CAJON LES 29.6 29.5 30.5 30.3 33.2 32.7 32.5 24.1 20.9 22.3 23.7 25.1 21.5 23.8 23.1 19.7 18.6 25.9 33.2 04
KEARNY MESA 26.4 28.4 29.7 29.2 29.8 23.9 35.2 27.6 16.6 16.7 21.3 27.7 25.9 24.1 23.2 17.4 13.6 24.5 35.2 06
OTAY MESA DVN 57.0 53.3 37.4 36.7 44.3 45.3 32.3 33.6 34.8 36.4 31.0 32.9 30.2 27.5 25.3 22.5 18.4 35.2 57.0 00
PENDLETON 28.5 28.0 26.4 28.0 28.0 29.9 27.2 P 17.9 22.2 22.9 19.9 20.2 19.2 24.4 29.9 05
SAN YSIDRO 35.8 36.6 35.6 38.2 34.1 34.9 31.8 30.1 34.7 39.0 29.8 27.9 31.4 29.5 23.6 22.4 23.8 31.7 39.0 09
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00