Current Date: 8/31/2026 6:09 PM
Daily Parameter Report
8/31/2026
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 .026 .026 V V .018 .027 .034 .032 .043 .049 .054 .062 .066 .065 .063 .060 .055 .049 .045 .066 12
CHULA VISTA .029 .030 V V .032 .031 .029 .032 .037 .041 .044 .043 .043 .041 .037 .039 .037 .038 .036 .044 10
DOWNTOWN SE .025 .027 V V .030 .028 .028 .030 .033 .037 .039 .041 .041 .036 .033 .032 .033 .028 .032 .041 11
EL CAJON LES .017 .020 V V V .014 .016 .024 .031 .042 .050 .052 .051 .051 .048 .045 .043 .037 .036 .052 11
KEARNY MESA .025 .028 V V .027 .025 .027 .028 .033 .041 .045 .043 .043 .041 .041 .039 .036 .033 .034 .045 10
OTAY MESA DVN .016 .019 V V .016 .016 .020 .025 .028 .036 .048 .049 .045 .048 .047 .042 .040 .036 .033 .049 11
PENDLETON .028 .018 V V .021 .024 .029 .032 .036 .039 .039 .039 .037 .037 .035 .038 .038 .034 .032 .039 09
03 NO2 PPB ALPINE 6.3 5.1 V V 6.4 6.1 6.0 7.6 4.3 2.9 2.2 2.6 2.9 2.6 2.5 2.4 2.3 2.8 4.0 7.6 07
CARMEL MT RCH 5.6 5.9 V V 4.3 7.5 13.3 9.9 9.7 16.3 16.4 11.6 9.4 11.7 12.0 8.4 7.4 7.6 9.8 16.4 10
CHULA VISTA 1.7 1.8 V V 2.0 3.0 3.4 2.9 2.3 2.4 2.2 1.5 1.5 1.8 1.8 1.8 2.1 2.2 2.1 3.4 06
DOWNTOWN SE 5.8 4.1 V V 2.7 4.2 4.5 5.7 5.6 5.2 4.9 3.2 3.0 3.4 2.7 4.5 7.0 7.0 4.5 7.0 16
EL CAJON LES 5.6 5.0 V V V 6.0 6.2 5.8 6.4 6.8 9.8 7.0 5.5 4.9 4.4 4.1 4.0 4.6 5.7 9.8 10
KEARNY MESA 2.2 2.1 V V 3.4 6.2 6.2 4.2 4.0 3.5 1.9 1.8 1.9 1.8 1.7 1.3 1.1 1.3 2.7 6.2 05
OTAY MESA DVN 2.6 3.4 V V 5.1 4.8 3.6 3.4 5.4 9.1 2.3 2.0 1.4 1.5 1.8 1.5 1.7 2.2 3.2 9.1 09
PENDLETON 2.4 4.5 V V 5.0 5.3 4.4 3.0 1.9 1.0 1.1 .9 3.4 2.2 1.3 .9 .7 .7 2.4 5.3 05
SAN YSIDRO 6.5 5.9 V V 6.7 8.1 6.4 5.0 5.4 4.3 4.4 3.6 4.4 5.1 4.4 4.0 4.7 5.5 5.2 8.1 05
06 CO PPM CARMEL MT RCH .3 .2 V V .2 .3 .6 .5 .4 .5 .5 .4 .4 .5 .5 .4 .5 .5 .4 .6 06
SAN YSIDRO .3 .2 V V .3 .4 .3 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .4 05
07 H2S PPB IB CIVIC CTR .5 .5 .6 .4 .5 .5 .5 .4 .4 .3 .3 .4 .3 .3 .3 .3 .4 .4 .4 .6 02
NESTOR - BES 1.4 1.2 1.2 1.3 1.2 3.1 1.5 M M 1.1 1.1 1.0 1.0 1.0 1.0 1.1 1.0 1.1 1.2 3.1 05
SAN YSIDRO .9 .9 .9 .8 .8 2.0 1.7 .5 .6 .4 .3 .2 .3 .2 .3 .3 .3 .2 .6 2.0 05
10 INTMP °C ALPINE 26 25 26 26 26 26 26 25 25 24 24 24 24 24 24 24 25 25 25 26 00
CARMEL MT RCH 25 25 25 25 25 25 24 25 25 25 25 24 25 25 25 25 25 25 25 25 00
CHULA VISTA 25 25 25 25 26 25 25 25 25 25 25 25 25 25 25 25 25 25 25 26 04
DOWNTOWN SE 24 25 25 25 25 25 25 26 25 M 25 25 24 24 24 24 24 24 25 26 07
EL CAJON LES 25 25 26 25 25 26 25 26 25 25 25 25 25 25 25 25 25 25 25 26 02
KEARNY MESA 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 25 25 00
PENDLETON 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 25 25 25 00
SAN YSIDRO 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 24 24 24 25 15
10 INTMP °C        IB CIVIC CTR 24 24 24 24 24 24 24 24 22 21 22 22 23 23 22 21 22 23 23 24 00
NESTOR - BES 25 25 25 25 25 25 25 M M 24 24 24 24 24 24 24 24 25 25 25 00
11 PM2.5 µg/M3 ALPINE 10.6 10.5 7.6 6.1 8.2 10.2 13.7 12.1 14.2 13.9 12.6 13.2 13.1 11.4 10.5 9.9 8.9 9.2 10.8 14.2 08
CARMEL MT RCH 14.1 15.4 13.7 14.2 15.1 15.6 15.8 16.9 18.3 20.6 17.9 15.0 13.0 12.6 12.4 11.3 11.6 10.2 14.6 20.6 09
CHULA VISTA 15.8 15.0 15.5 15.3 16.0 16.2 16.5 17.2 17.6 18.5 18.6 16.9 16.0 15.6 13.2 12.1 11.3 10.9 15.4 18.6 10
DOWNTOWN SE 17.4 17.0 16.7 17.7 17.3 17.7 17.6 18.1 18.6 17.5 16.3 14.5 14.3 13.6 12.0 11.1 10.8 10.9 15.5 18.6 08
EL CAJON LES 14.4 14.5 15.2 15.1 15.3 13.3 14.2 16.0 16.1 17.8 19.3 15.7 13.6 12.2 11.1 9.9 9.2 9.8 14.0 19.3 10
KEARNY MESA 17.6 17.7 18.4 19.0 18.5 18.5 18.9 19.6 21.6 22.3 20.0 17.9 15.9 14.8 13.6 13.7 12.3 11.4 17.3 22.3 09
Current Date: 8/31/2026 6:09 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 19.3 17.2 17.3 17.3 14.9 17.3 19.3 18.5 20.6 21.5 18.7 17.6 16.3 15.0 14.1 11.9 11.2 9.8 16.5 21.5 09
PENDLETON 16.7 15.5 16.0 16.2 16.4 16.3 16.1 15.7 17.0 16.1 15.2 14.2 13.7 13.5 12.9 12.2 10.6 10.5 14.7 17.0 08
SAN YSIDRO 15.5 15.8 15.5 15.7 16.1 18.0 18.1 18.8 21.2 19.8 20.9 21.9 18.7 18.5 15.8 15.8 15.0 11.7 17.3 21.9 11
12 VWDR ° ALPINE 32 324 329 33 31 7 290 256 251 267 248 252 241 257 252 249 264 266 0 329 02
CHULA VISTA 225 225 265 4 296 250 178 235 250 265 272 274 263 265 265 269 268 261 0 296 04
DOWNTOWN SE 218 221 240 276 307 268 186 191 215 227 251 257 243 243 237 250 261 254 0 307 04
EL CAJON LES 166 170 165 112 114 129 161 192 221 219 257 276 267 262 258 254 258 264 0 276 11
KEARNY MESA 251 223 275 290 285 278 255 163 203 224 234 256 270 267 272 283 289 292 0 292 17
OTAY MESA DVN 345 356 357 47 51 61 49 254 214 254 281 279 279 285 283 284 283 272 0 357 02
PENDLETON 118 81 74 72 89 82 109 178 211 225 243 244 249 259 260 260 257 258 0 260 14
13 SIGTHETA ° ALPINE 54 58 27 27 60 51 57 21 31 30 35 38 26 31 27 30 31 23 37 60 04
CHULA VISTA 21 19 25 50 29 30 37 50 36 30 23 24 20 20 19 23 22 21 28 50 03
DOWNTOWN SE 33 21 28 26 21 27 39 30 30 24 25 26 25 29 28 29 24 23 27 39 06
EL CAJON LES 24 42 44 18 17 14 18 59 57 33 28 23 24 25 24 28 28 22 29 59 07
KEARNY MESA 36 38 12 18 34 8 23 52 44 29 20 18 21 19 18 16 15 14 24 52 07
OTAY MESA DVN 36 15 19 19 14 10 31 50 51 26 17 18 17 14 15 15 14 10 22 51 08
PENDLETON 17 9 7 9 9 9 13 30 15 14 11 10 9 13 13 14 13 14 13 30 07
14 VWSP MPH ALPINE .2 .2 1.6 1.6 .9 .8 .2 2.3 3.0 4.4 4.8 5.2 6.7 6.4 6.6 5.7 4.7 4.7 .0 6.7 12
CHULA VISTA 2.6 2.1 1.8 1.2 2.5 1.5 1.3 1.8 3.5 5.0 6.5 7.1 8.0 8.3 8.6 7.3 6.4 5.4 .0 8.6 14
DOWNTOWN SE 2.7 2.6 1.9 2.7 2.7 .9 1.5 3.5 4.1 5.9 5.8 6.4 6.9 6.7 6.4 5.8 6.3 5.6 .0 6.9 12
EL CAJON LES 2.7 2.1 1.2 3.5 4.0 3.1 3.3 1.0 1.7 4.2 5.6 8.0 7.6 7.3 7.0 5.9 4.8 4.8 .0 8.0 11
KEARNY MESA 1.4 3.1 4.1 2.8 2.2 3.9 3.1 1.9 3.4 5.1 7.9 8.6 9.2 9.1 8.6 8.5 8.0 6.8 .0 9.2 12
OTAY MESA DVN .9 2.3 2.5 2.9 4.1 3.5 1.3 .4 2.1 4.1 8.6 8.7 10.0 9.9 8.9 8.9 9.0 8.3 .0 10.0 12
PENDLETON 3.0 3.9 4.7 4.1 5.3 4.8 3.3 2.2 6.1 7.2 7.7 8.2 9.3 7.9 8.1 7.5 7.2 5.4 .0 9.3 12
15 SWSP MPH ALPINE 1.5 1.1 1.8 1.8 1.3 1.1 1.3 2.5 3.4 5.1 5.7 6.1 7.5 7.4 7.3 6.4 5.2 5.3 4.0 7.5 12
CHULA VISTA 2.9 2.3 2.5 1.7 2.8 1.7 2.0 3.1 4.2 5.7 7.0 7.6 8.4 8.8 9.0 7.8 6.8 5.7 5.0 9.0 14
DOWNTOWN SE 3.1 2.9 2.1 2.9 3.0 1.7 2.3 3.9 4.6 6.6 6.6 7.2 7.7 7.7 7.2 6.5 6.9 6.1 4.9 7.7 12
EL CAJON LES 3.0 2.5 2.0 3.7 4.1 3.2 3.5 2.1 2.7 4.9 6.5 8.7 8.2 7.9 7.6 6.6 5.4 5.2 4.9 8.7 11
KEARNY MESA 2.6 3.6 4.4 3.0 2.6 4.0 3.3 3.2 4.4 5.9 8.4 9.7 9.8 9.6 9.0 8.9 8.4 7.0 6.0 9.8 12
OTAY MESA DVN 1.0 2.4 2.7 3.4 4.2 3.5 1.9 2.0 3.2 5.3 9.0 9.3 10.5 10.2 9.3 9.2 9.3 8.4 5.8 10.5 12
PENDLETON 3.5 3.9 4.7 4.2 5.3 4.9 3.4 3.3 6.3 7.4 7.9 8.3 9.5 8.1 8.3 7.6 7.4 5.5 6.1 9.5 12
16 AMBTEMP °F ALPINE 68.6 66.7 63.7 61.5 60.7 65.2 70.2 73.5 76.7 79.8 82.8 84.1 84.5 84.8 83.5 81.7 80.0 76.4 74.7 84.8 13
CARMEL MT RCH 69.5 69.8 69.6 69.7 69.9 69.7 70.6 73.4 76.4 79.8 83.1 84.2 84.7 84.7 83.8 82.2 79.3 75.6 76.4 84.7 12
CHULA VISTA 72.5 72.2 72.3 72.1 71.9 71.9 73.2 74.2 75.6 76.6 76.8 76.7 76.7 77.1 76.6 75.9 75.3 74.2 74.5 77.1 13
DOWNTOWN SE 71.9 71.5 71.3 70.7 70.5 70.4 71.8 73.8 76.0 M 78.4 78.5 78.6 78.2 78.0 77.3 76.1 74.2 74.5 78.6 12
EL CAJON LES 71.1 71.5 71.8 71.2 70.2 69.0 70.7 74.1 78.4 82.2 85.8 86.6 87.1 86.7 86.0 85.1 83.7 80.9 78.5 87.1 12
KEARNY MESA 71.1 71.6 71.2 70.8 70.4 69.3 71.1 74.2 77.1 79.5 80.7 81.4 80.6 80.1 79.0 78.5 77.3 74.4 75.5 81.4 11
OTAY MESA DVN 68.4 68.8 69.1 69.0 68.4 67.9 69.4 72.4 77.3 81.7 82.1 81.7 80.7 79.4 79.1 78.1 76.7 74.5 74.7 82.1 10
PENDLETON 72.2 70.8 70.7 71.1 71.3 71.5 72.7 74.1 75.2 76.2 76.0 76.5 76.6 76.9 76.2 75.5 75.1 74.0 74.0 76.9 13
Current Date: 8/31/2026 6:09 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 71.6 71.8 72.0 72.0 71.9 71.3 72.2 74.3 76.9 78.3 79.0 79.0 79.0 78.4 78.0 77.2 76.5 74.2 75.2 79.0 10
17 RELHUM % ALPINE 65 72 93 100 96 67 47 45 39 37 34 33 34 35 36 37 39 51 53 100 03
EL CAJON LES 92 89 87 85 87 90 87 78 66 53 43 42 42 41 39 40 43 51 64 92 00
KEARNY MESA 90 86 85 85 85 85 82 76 68 63 61 60 61 61 63 62 66 72 73 90 00
18 PRES mmHg EL CAJON LES 747 747 747 746 747 747 747 747 747 747 747 747 747 747 747 747 746 746 747 747 00
KEARNY MESA 748 748 748 748 748 748 748 749 749 749 749 749 749 748 748 748 748 748 748 749 07
19 SOLAR W/M2 EL CAJON LES 3 3 2 2 1 17 161 375 585 762 880 933 921 844 707 522 307 87 395 933 11
KEARNY MESA 1 1 1 1 1 18 166 416 628 799 921 971 951 876 743 563 342 116 418 971 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 8 19 30 M 51 54 54 49 40 29 16 5 21 54 11
25 NOY EL CAJON LES M M M M V V V M M M M M M M M M M 2.77 2.77 2.77 17
26 NOY-NO EL CAJON LES M M M M V V V M M M M M M M M M M 2.42 2.42 2.42 17
27 NO Trace EL CAJON LES M M M M V V V M M M M M M M M M M .34 .34 .34 17
28 SO2 Tr PPB EL CAJON LES .0 .0 V V V .0 .0 .0 .1 .1 .2 .2 .1 .1 .1 .1 .1 .0 .0 .2 10
29 CO Tr PPB EL CAJON LES 254.5 236.0 V V V 259.6 270.8 263.0 284.6 291.8 326.0 285.0 276.6 275.0 261.9 260.5 261.2 269.4 271.7 326.0 10
BCarbon ug/m3 10TH AVE MARIN < < < < < < < < < < < < < < < < < < < <
ALPINE < < < < < < < < < < < < < < < < < < < <
BOSTON AVE .28 .28 .30 .31 .38 .50 .44 .52 .43 .42 .37 .38 .36 .28 .24 .21 .28 .25 .35 .52 07
CHICANO PARK < < < < < < < < < < < < < < < < < < < <
DOWNTOWN SE < < < < < < < < < < < < < < < < < < < <
OCEANVIEW BLV < < < < < < < < < < < < < < < < < < < <
OTAY MESA DVN .16 .27 .36 .32 .32 .39 .34 .55 .82 < < < < < < < < < .39 .82 08
SAN YSIDRO < < < < < < < < < < < < < < < < < < < <
PM10 STD ALPINE 25.0 24.4 15.9 10.8 18.0 23.4 26.3 28.3 33.0 30.5 30.9 28.4 29.8 28.2 26.4 24.5 22.3 25.1 25.0 33.0 08
CARMEL MT RCH 30.2 32.9 27.3 26.1 27.6 29.8 32.5 33.9 38.9 45.1 40.4 34.0 32.4 34.4 28.9 25.1 27.1 22.0 31.5 45.1 09
CHULA VISTA 38.8 35.0 35.6 33.2 34.1 33.1 35.5 39.4 41.4 43.0 38.7 35.5 33.6 32.9 32.1 27.9 27.1 26.0 34.6 43.0 09
DOWNTOWN SE 36.6 35.2 34.7 37.7 33.3 35.4 36.0 39.3 45.4 44.4 34.9 31.6 30.8 36.8 31.8 28.1 26.0 26.5 34.6 45.4 08
EL CAJON LES 30.2 31.7 33.9 34.0 33.6 27.8 34.1 35.4 35.4 38.0 40.9 36.5 34.1 31.4 28.3 24.7 22.4 25.9 32.1 40.9 10
KEARNY MESA 37.2 36.7 39.8 40.4 38.1 39.9 39.7 42.4 46.6 51.0 46.4 42.7 39.5 37.6 33.2 42.6 30.4 27.3 39.5 51.0 09
OTAY MESA DVN 88.3 56.9 54.7 57.3 48.0 75.0 75.4 51.3 74.6 72.8 46.9 42.0 38.7 38.0 30.2 29.1 26.5 25.7 51.7 88.3 00
PENDLETON 38.6 33.0 32.3 33.1 34.2 33.5 33.3 34.1 37.7 32.7 30.5 31.3 31.1 33.9 36.0 31.5 27.6 29.8 33.0 38.6 00
SAN YSIDRO 40.3 42.7 36.1 36.6 34.4 40.3 45.0 43.4 49.8 50.6 49.9 44.6 43.4 41.9 35.9 34.1 35.6 30.2 40.8 50.6 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 00