Current Date: 8/4/2026 10:09 AM
Daily Parameter Report
8/4/2026
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 .017 .018 C C .033 .017 .015 .018 .027 .037 .022 .037 09
CHULA VISTA .027 .025 C C .025 .024 .020 .016 .019 .025 .022 .027 00
DOWNTOWN SE .025 .026 C C .024 .023 .026 .024 .026 .026 .025 .026 01
EL CAJON LES .018 .019 C C C .016 .018 .020 .024 .031 .020 .031 09
KEARNY MESA .018 .017 C C .016 .015 .018 .021 .022 .025 .019 .025 09
OTAY MESA DVN .021 .021 C C .020 .020 .017 .014 .021 .029 .020 .029 09
PENDLETON M C C C M M M M M C M M
03 NO2 PPB ALPINE 10.3 8.8 C C 5.3 9.2 7.3 4.4 3.8 3.6 6.5 10.3 00
CARMEL MT RCH 4.3 4.4 C C 9.9 6.6 4.9 4.8 6.7 9.8 6.4 9.9 04
CHULA VISTA 2.3 3.0 C C 3.4 4.2 6.0 9.6 8.9 7.8 5.6 9.6 07
DOWNTOWN SE 3.3 2.4 C C 3.6 5.7 4.2 4.6 4.8 6.4 4.3 6.4 09
EL CAJON LES 8.4 7.6 C C C 9.3 7.9 8.6 9.9 10.8 8.9 10.8 09
KEARNY MESA 5.5 7.3 C C 6.4 6.5 6.4 6.2 7.8 7.3 6.6 7.8 08
OTAY MESA DVN 2.8 3.2 C C 2.5 2.9 5.9 12.1 8.5 5.4 5.4 12.1 07
PENDLETON 1.4 .8 C C 2.1 2.6 M M M C 1.7 2.6 05
SAN YSIDRO 6.0 6.9 C C 10.4 12.1 13.6 13.2 11.3 9.2 10.3 13.6 06
06 CO PPM CARMEL MT RCH .2 .2 C C .4 .4 .2 .2 .3 .4 .3 .4 04
SAN YSIDRO .2 .2 C C .3 .4 .3 .3 .3 .3 .3 .4 05
07 H2S PPB IB CIVIC CTR 1.3 1.4 1.9 1.7 1.7 1.9 1.9 1.8 1.6 M 1.6 1.9 02
NESTOR - BES 2.3 2.1 2.4 2.2 2.1 2.9 2.2 1.9 1.7 1.5 2.1 2.9 05
SAN YSIDRO 2.9 2.6 3.0 2.8 3.0 3.1 3.3 M M M 3.0 3.3 06
10 INTMP °C ALPINE 25 26 26 26 26 26 26 26 25 25 26 26 01
CARMEL MT RCH 25 24 25 25 25 25 25 24 25 25 25 25 00
CHULA VISTA 25 25 26 26 26 26 26 26 26 25 26 26 02
DOWNTOWN SE 25 25 24 24 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 25 26 26 00
KEARNY MESA 24 24 24 24 23 24 24 23 24 24 24 24 00
OTAY MESA DVN 25 25 25 25 25 25 25 25 25 25 25 25 00
PENDLETON 25 25 26 26 25 26 26 26 26 25 26 26 02
SAN YSIDRO 25 25 25 25 25 25 25 25 24 24 25 25 00
10 INTMP °C        IB CIVIC CTR 25 25 26 25 26 26 25 26 25 24 25 26 02
NESTOR - BES 25 25 25 25 25 25 25 25 25 25 25 25 00
11 PM2.5 µg/M3 ALPINE 10.6 9.2 9.1 8.6 5.5 7.4 8.5 11.2 12.4 13.7 9.6 13.7 09
CARMEL MT RCH 9.3 9.1 9.5 10.1 11.7 11.4 12.1 13.2 15.9 17.9 12.0 17.9 09
CHULA VISTA 13.8 15.6 16.1 16.5 15.8 16.6 18.5 22.8 21.6 20.5 17.7 22.8 07
DOWNTOWN SE 13.3 13.6 14.2 14.4 13.7 14.5 13.4 15.5 14.3 14.8 14.1 15.5 07
EL CAJON LES 12.7 13.5 13.9 14.3 14.5 15.0 15.1 14.6 15.7 16.7 14.6 16.7 09
KEARNY MESA 14.3 15.9 17.2 17.1 16.3 17.0 17.8 16.1 17.4 17.9 16.7 17.9 09
Current Date: 8/4/2026 10:09 AM
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 12.5 13.8 14.1 13.0 12.5 13.3 16.1 21.7 22.1 19.3 15.8 22.1 08
PENDLETON 9.3 9.2 9.4 10.2 10.0 10.7 10.8 10.4 10.1 10.0 10.0 10.8 06
SAN YSIDRO 17.6 19.9 25.1 24.7 25.0 26.8 28.9 29.5 21.0 20.4 23.8 29.5 07
12 VWDR ° ALPINE 128 71 63 16 96 103 228 274 287 279 0 287 08
CHULA VISTA 203 229 90 326 211 215 205 224 9 270 0 326 03
DOWNTOWN SE 187 212 200 306 172 193 184 161 167 205 0 306 03
EL CAJON LES 186 145 156 284 140 175 163 169 220 265 0 284 03
KEARNY MESA 22 146 330 35 104 346 156 172 162 212 0 346 05
OTAY MESA DVN 1 315 307 317 311 237 340 293 289 293 0 340 06
PENDLETON 184 170 148 60 69 149 215 195 218 231 0 231 09
13 SIGTHETA ° ALPINE 47 33 35 43 33 38 37 22 27 27 34 47 00
CHULA VISTA 32 42 59 49 54 31 43 42 50 27 43 59 02
DOWNTOWN SE 28 22 47 38 47 30 24 30 38 34 34 47 02
EL CAJON LES 17 25 22 54 36 48 38 48 57 63 41 63 09
KEARNY MESA 48 31 45 33 32 43 30 42 35 44 38 48 00
OTAY MESA DVN 46 21 30 13 18 42 51 57 30 25 33 57 07
PENDLETON 44 28 33 36 32 33 49 19 26 16 32 49 06
14 VWSP MPH ALPINE .4 .2 1.1 1.7 2.1 .8 .9 2.9 3.1 3.8 .0 3.8 09
CHULA VISTA 1.9 1.8 1.1 1.7 1.8 2.7 1.9 1.7 1.4 3.8 .0 3.8 09
DOWNTOWN SE 2.9 3.3 1.2 1.7 .9 3.1 3.6 3.5 2.7 3.4 .0 3.6 06
EL CAJON LES 2.7 2.2 2.5 .7 1.2 1.9 2.5 1.8 .9 2.2 .0 2.7 00
KEARNY MESA .6 1.8 2.3 1.9 2.1 1.4 3.2 2.7 2.9 3.3 .0 3.3 09
OTAY MESA DVN 1.6 2.8 2.6 5.4 3.2 1.8 .5 1.7 4.5 6.8 .0 6.8 09
PENDLETON 1.6 2.5 2.2 2.8 2.2 2.0 2.1 4.9 3.9 5.4 .0 5.4 09
15 SWSP MPH ALPINE 1.2 1.4 1.6 2.7 2.6 2.1 2.3 3.4 3.5 4.4 2.5 4.4 09
CHULA VISTA 2.8 2.4 1.8 2.6 2.7 3.3 2.7 2.8 2.3 4.5 2.8 4.5 09
DOWNTOWN SE 3.3 3.5 2.3 2.5 1.9 3.6 4.0 3.9 3.3 3.8 3.2 4.0 06
EL CAJON LES 2.9 2.6 2.7 1.8 2.8 2.6 3.1 2.7 2.2 3.6 2.7 3.6 09
KEARNY MESA 1.5 2.2 2.6 3.0 2.8 2.2 3.9 4.1 3.5 4.3 3.0 4.3 09
OTAY MESA DVN 2.2 3.3 3.3 5.7 3.6 2.4 1.7 3.2 5.3 7.2 3.8 7.2 09
PENDLETON 2.4 3.1 3.0 3.3 3.5 2.8 3.0 5.2 4.3 5.6 3.6 5.6 09
16 AMBTEMP °F ALPINE 69.2 67.8 66.8 67.4 69.9 65.6 66.4 66.3 71.0 76.0 68.6 76.0 09
CARMEL MT RCH 66.8 67.3 67.0 67.3 67.6 67.5 68.0 68.7 71.1 75.2 68.7 75.2 09
CHULA VISTA 69.8 69.4 69.4 69.5 69.5 69.2 69.3 69.9 70.9 72.2 69.9 72.2 09
DOWNTOWN SE 69.0 68.6 68.6 68.5 68.6 69.0 68.9 69.1 69.6 71.1 69.1 71.1 09
EL CAJON LES 68.9 69.1 69.0 69.5 69.4 69.5 69.3 70.3 71.4 75.0 70.1 75.0 09
KEARNY MESA 69.6 70.0 69.7 69.5 69.5 69.5 70.2 70.3 71.3 73.3 70.3 73.3 09
OTAY MESA DVN 66.8 67.0 66.9 67.2 66.8 67.0 67.7 69.3 72.2 74.9 68.6 74.9 09
PENDLETON 71.7 71.7 71.5 71.4 71.3 71.5 71.8 71.9 72.4 73.3 71.9 73.3 09
Current Date: 8/4/2026 10:09 AM
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 69.9 70.0 70.1 70.0 70.1 70.0 70.5 71.4 72.6 75.0 71.0 75.0 09
17 RELHUM % ALPINE 75 73 73 69 42 68 78 87 75 62 70 87 07
EL CAJON LES 91 91 91 90 89 89 90 88 85 76 88 91 00
KEARNY MESA 89 89 89 90 89 89 88 87 85 80 88 90 03
18 PRES mmHg EL CAJON LES 745 745 745 744 745 745 745 746 746 746 745 746 07
KEARNY MESA 746 746 746 746 746 746 746 747 747 747 746 747 07
19 SOLAR W/M2 EL CAJON LES 2 3 3 3 3 13 50 100 237 707 112 707 09
KEARNY MESA 1 1 1 1 1 15 50 86 160 534 85 534 09
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 3 7 15 41 7 41 09
25 NOY EL CAJON LES 4.40 3.96 3.65 4.06 4.58 C C 4.13 5.11 6.08 4.49 6.08 09
26 NOY-NO EL CAJON LES 4.23 3.90 3.58 4.00 4.50 C C 3.62 4.23 4.56 4.07 4.56 09
27 NO Trace EL CAJON LES .17 .06 .06 .06 .07 C C .51 .87 1.51 .41 1.51 09
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 148.2 151.7 C C C 179.3 169.7 169.8 200.0 209.5 175.4 209.5 09
BCarbon ug/m3 10TH AVE MARIN .12 .14 .23 .26 .25 < < < < < .20 .26 03
ALPINE .29 .25 .27 < .12 < < < < < .23 .29 00
BOSTON AVE .22 .29 .38 .45 .51 .68 1.26 .70 .67 .66 .58 1.26 06
CHICANO PARK .17 < .34 < .41 < < < < < .31 .41 04
DOWNTOWN SE .20 .19 .27 .30 .30 < < < < < .25 .30 03
OCEANVIEW BLV .21 .22 .34 .41 .38 < < < < < .31 .41 03
OTAY MESA DVN .20 .25 .28 .23 .25 .23 .34 .90 .77 .57 .40 .90 07
SAN YSIDRO .55 < 1.14 1.17 1.16 < < < < < 1.00 1.17 03
PM10 STD ALPINE 28.4 24.0 23.6 23.3 17.8 22.7 23.6 25.1 28.0 34.3 25.0 34.3 09
CARMEL MT RCH 21.2 19.8 21.3 21.2 25.2 24.6 25.2 28.8 33.2 38.6 25.9 38.6 09
CHULA VISTA 33.5 39.1 40.8 39.7 38.7 42.3 46.0 51.9 51.8 48.7 43.2 51.9 07
DOWNTOWN SE 30.0 29.9 32.1 31.7 28.2 32.9 31.0 37.5 32.1 35.9 32.1 37.5 07
EL CAJON LES 27.2 28.4 30.1 30.7 31.7 32.5 32.9 33.3 36.9 38.7 32.2 38.7 09
KEARNY MESA 33.4 35.1 35.9 35.8 35.3 35.6 39.8 36.5 40.1 40.4 36.7 40.4 09
OTAY MESA DVN 29.6 32.9 34.1 30.3 26.2 30.3 40.3 65.5 62.7 52.0 40.3 65.5 07
PENDLETON 21.7 22.5 22.1 26.3 24.3 28.4 27.9 24.5 22.3 21.5 24.1 28.4 05
SAN YSIDRO 46.1 49.6 57.4 58.8 56.0 57.5 66.1 72.9 56.2 54.4 57.5 72.9 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00