Current Date: 4/9/2026 9:09 AM
Daily Parameter Report
4/9/2026
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 .052 .049 .052 .053 .054 C C M M .052 .054 04
CHULA VISTA .024 .026 C C .025 .015 .009 .019 .032 .021 .032 08
DOWNTOWN SE .021 .015 .018 .027 .031 .026 .020 .025 .035 .024 .035 08
EL CAJON LES .017 .019 C C C .021 .025 .025 .031 .023 .031 08
KEARNY MESA .014 .012 C C .026 .012 .009 .023 .029 .017 .029 08
OTAY MESA DVN .016 .021 .024 .017 .007 .008 .006 C C .014 .024 02
PENDLETON .021 .018 C C .016 .013 .014 .024 .036 .020 .036 08
03 NO2 PPB ALPINE 2.1 2.5 2.0 2.0 2.6 C C 4.2 M 2.5 4.2 07
CARMEL MT RCH 7.0 13.9 C C 6.2 12.3 14.5 9.3 14.6 11.1 14.6 08
CHULA VISTA 6.5 5.1 C C 7.1 11.5 14.1 12.5 9.8 9.5 14.1 06
DOWNTOWN SE 8.2 12.3 11.2 5.8 5.8 9.2 13.4 10.7 5.9 9.1 13.4 06
EL CAJON LES 4.9 3.7 C C C 4.5 4.7 7.6 8.4 5.6 8.4 08
KEARNY MESA 10.2 8.1 C C 5.5 9.8 12.7 9.9 11.1 9.6 12.7 06
OTAY MESA DVN 17.3 10.0 8.0 13.1 21.9 22.4 27.3 C C 17.1 27.3 06
PENDLETON 6.0 4.5 C C 4.8 5.7 9.2 6.1 3.3 5.6 9.2 06
SAN YSIDRO 8.0 13.1 C C 12.1 15.1 17.4 18.4 14.7 14.1 18.4 07
06 CO PPM CARMEL MT RCH .3 .3 C C .3 .4 .5 .3 .4 .4 .5 06
SAN YSIDRO .3 .4 C C .4 .6 .8 .5 .4 .5 .8 06
07 H2S PPB IB CIVIC CTR 21.6 23.1 17.6 27.0 57.3 52.9 27.9 3.4 2.0 25.8 57.3 04
NESTOR - BES 150.6 39.0 31.1 30.2 38.6 64.8 98.6 3.9 2.4 51.0 150.6 00
SAN YSIDRO 11.3 6.2 4.5 2.7 1.4 1.2 2.5 16.6 2.6 5.4 16.6 07
10 INTMP °C ALPINE 27 27 27 27 27 27 27 27 26 27 27 00
CARMEL MT RCH 26 26 26 26 26 26 26 26 26 26 26 00
CHULA VISTA 25 24 24 25 25 24 25 25 24 25 25 00
DOWNTOWN SE 24 25 25 25 25 25 25 25 25 25 25 01
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 24 25 25 25 24 25 25 25 25 03
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 27 00
PENDLETON 26 26 26 26 26 26 26 26 26 26 26 00
SAN YSIDRO 25 25 25 25 25 24 24 24 25 25 25 00
10 INTMP °C        IB CIVIC CTR 27 27 26 26 27 27 27 26 26 27 27 00
NESTOR - BES 26 26 26 26 26 26 26 25 25 26 26 00
11 PM2.5 µg/M3 ALPINE 5.4 5.1 5.0 5.6 5.3 4.9 4.4 4.2 5.3 5.0 5.6 03
CARMEL MT RCH 9.7 9.8 9.6 10.4 11.2 11.2 11.1 12.2 17.3 11.3 17.3 08
CHULA VISTA 13.2 13.2 11.8 12.3 13.6 14.4 15.4 20.8 21.1 15.0 21.1 08
DOWNTOWN SE 12.5 16.4 16.2 14.2 13.4 15.9 20.7 25.7 18.5 17.0 25.7 07
EL CAJON LES 10.5 9.3 9.2 10.1 7.9 7.3 6.5 8.1 16.6 9.5 16.6 08
KEARNY MESA 11.4 11.0 12.5 17.1 18.0 17.6 14.1 17.7 25.8 16.1 25.8 08
Current Date: 4/9/2026 9:09 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 29.3 22.5 19.2 21.6 30.0 34.5 33.4 30.0 37.6 28.6 37.6 08
PENDLETON 9.0 9.4 10.1 10.7 10.6 11.3 10.9 13.8 12.4 10.9 13.8 07
SAN YSIDRO 17.3 19.3 23.6 22.3 19.1 17.1 18.6 27.4 23.9 20.9 27.4 07
12 VWDR ° ALPINE 316 109 76 31 91 96 107 144 244 0 316 00
CHULA VISTA 141 157 168 167 189 131 257 243 253 0 257 06
DOWNTOWN SE 93 95 103 107 114 103 140 190 205 0 205 08
EL CAJON LES 98 77 116 99 98 114 94 62 278 0 278 08
KEARNY MESA 58 9 116 133 124 67 94 159 198 0 198 08
OTAY MESA DVN 16 7 358 24 134 90 153 293 300 0 358 02
PENDLETON 61 56 56 52 51 51 59 98 178 0 178 08
13 SIGTHETA ° ALPINE 48 26 28 31 43 14 24 31 51 33 51 08
CHULA VISTA 12 21 21 55 30 39 40 24 38 31 55 03
DOWNTOWN SE 42 27 19 22 17 14 22 20 25 23 42 00
EL CAJON LES 31 23 21 14 13 15 39 51 58 29 58 08
KEARNY MESA 6 36 16 14 19 6 18 36 21 19 36 01
OTAY MESA DVN 20 19 9 25 46 38 50 40 17 29 50 06
PENDLETON 11 9 9 8 7 8 9 22 30 13 30 08
14 VWSP MPH ALPINE .7 .8 1.6 1.1 .9 1.6 2.0 1.1 2.5 .0 2.5 08
CHULA VISTA 2.2 1.6 1.3 1.0 1.4 .3 1.2 2.8 3.2 .0 3.2 08
DOWNTOWN SE .6 1.8 2.0 2.7 3.2 2.5 2.3 4.7 4.4 .0 4.7 07
EL CAJON LES 1.6 1.4 1.6 1.9 2.4 2.4 1.6 1.0 1.7 .0 2.4 04
KEARNY MESA 4.0 2.2 2.2 4.3 3.7 4.3 2.2 2.8 5.1 .0 5.1 08
OTAY MESA DVN 2.2 3.6 5.3 2.5 1.2 .5 .7 2.2 4.2 .0 5.3 02
PENDLETON 3.9 5.4 5.4 6.5 6.5 6.2 5.7 3.7 3.8 .0 6.5 03
15 SWSP MPH ALPINE 1.5 1.7 1.8 1.2 1.3 1.7 2.1 1.7 3.2 1.8 3.2 08
CHULA VISTA 2.3 1.8 1.4 1.2 1.6 .9 1.6 3.1 3.9 2.0 3.9 08
DOWNTOWN SE 1.0 2.0 2.2 2.9 3.3 2.5 2.9 5.2 5.0 3.0 5.2 07
EL CAJON LES 2.3 1.6 1.9 2.0 2.4 2.5 1.8 1.4 2.4 2.0 2.5 05
KEARNY MESA 4.1 3.3 2.5 4.4 4.1 4.4 2.4 3.5 5.6 3.8 5.6 08
OTAY MESA DVN 3.0 3.9 5.4 3.7 1.6 1.2 1.1 2.9 4.5 3.0 5.4 02
PENDLETON 4.0 5.5 5.5 6.6 6.6 6.2 5.9 4.2 4.3 5.4 6.6 03
16 AMBTEMP °F ALPINE 61.0 58.5 59.2 59.1 59.3 59.5 60.4 63.9 66.8 60.9 66.8 08
CARMEL MT RCH 59.8 58.9 58.1 58.1 57.6 57.4 59.1 62.7 65.8 59.7 65.8 08
CHULA VISTA 60.9 61.3 62.0 62.1 61.3 60.2 60.8 62.3 64.8 61.7 64.8 08
DOWNTOWN SE 61.7 61.8 62.4 62.4 61.8 60.9 61.9 62.6 63.8 62.1 63.8 08
EL CAJON LES 59.5 58.6 57.2 57.1 56.5 55.3 57.5 62.1 67.7 59.1 67.7 08
KEARNY MESA 58.5 56.6 58.9 60.8 61.1 58.0 59.7 63.9 66.2 60.4 66.2 08
OTAY MESA DVN 60.1 58.7 58.1 57.6 58.6 58.8 59.8 63.3 65.1 60.0 65.1 08
PENDLETON 61.6 60.0 60.6 59.6 59.9 59.8 60.3 63.6 65.3 61.2 65.3 08
Current Date: 4/9/2026 9:09 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 61.5 60.6 59.6 59.0 58.8 58.7 60.7 63.6 66.8 61.0 66.8 08
17 RELHUM % ALPINE 53 54 53 56 52 48 45 41 40 49 56 03
EL CAJON LES 91 87 90 92 81 80 72 66 61 80 92 03
KEARNY MESA 99 100 98 99 98 100 97 88 82 96 100 01
18 PRES mmHg EL CAJON LES 748 748 748 747 747 748 748 748 748 748 748 00
KEARNY MESA 749 748 748 748 748 748 749 749 749 748 749 00
19 SOLAR W/M2 EL CAJON LES -1 -1 -1 1 -1 10 95 338 519 107 519 08
KEARNY MESA 1 1 1 1 1 13 138 313 383 95 383 08
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 6 17 28 6 28 08
25 NOY EL CAJON LES 5.66 4.33 4.58 5.32 4.05 C C 10.74 12.79 6.78 12.79 08
26 NOY-NO EL CAJON LES 5.63 4.31 4.54 5.28 3.98 C C 7.61 9.36 5.81 9.36 08
27 NO Trace EL CAJON LES .02 .02 .03 .04 .06 C C 3.12 3.42 .95 3.42 08
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .2 .0 .2 08
29 CO Tr PPB EL CAJON LES 229.6 198.0 C C C 247.5 229.7 314.6 354.3 262.2 354.3 08
BCarbon ug/m3 10TH AVE MARIN .21 .33 .18 .60 .68 1.07 1.34 1.05 .47 .66 1.34 06
ALPINE < .14 < < < .12 .17 .15 .20 .16 .20 08
BOSTON AVE 1.01 .65 .57 .41 .41 1.13 1.67 1.60 .91 .93 1.67 06
CHICANO PARK .48 .66 .51 .41 .53 .90 1.53 < < .72 1.53 06
DOWNTOWN SE .35 .60 < < .41 < < 1.15 .61 .62 1.15 07
OCEANVIEW BLV < .50 .53 .39 < < 1.02 1.53 .81 .80 1.53 07
OTAY MESA DVN 4.28 2.55 2.01 2.52 4.61 4.73 3.68 3.00 < 3.42 4.73 05
SAN YSIDRO 1.06 < 2.47 1.91 1.13 1.13 1.26 2.06 1.31 1.54 2.47 02
PM10 STD ALPINE 16.6 15.5 14.6 18.4 15.8 15.6 15.1 16.0 19.6 16.3 19.6 08
CARMEL MT RCH 24.2 24.0 23.2 22.8 25.1 25.0 29.0 30.3 40.0 27.0 40.0 08
CHULA VISTA 34.6 33.1 28.6 32.0 32.2 38.6 41.7 50.1 54.1 38.3 54.1 08
DOWNTOWN SE 30.3 37.6 36.8 34.7 33.4 40.4 49.2 58.3 45.0 40.6 58.3 07
EL CAJON LES 25.2 24.0 22.4 23.0 21.1 18.9 19.4 26.8 45.9 25.1 45.9 08
KEARNY MESA 31.3 27.6 30.0 35.3 37.9 37.1 27.7 42.2 58.8 36.4 58.8 08
OTAY MESA DVN 86.9 66.9 50.3 56.0 95.8 128.6 125.4 128.2 124.1 95.8 128.6 05
PENDLETON 23.1 23.2 24.6 25.1 25.5 24.6 27.0 31.8 32.7 26.4 32.7 08
SAN YSIDRO 38.0 42.1 52.2 47.8 46.0 40.9 48.1 64.4 65.6 49.4 65.6 08
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00