Current Date: 4/19/2026 11:09 AM
Daily Parameter Report
4/19/2026
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 .053 C C .056 .057 .055 .052 .048 .045 .049 .056 .052 .057 04
CHULA VISTA .023 C C .018 .014 .018 .027 .044 .050 .052 .055 .033 .055 10
DOWNTOWN SE .029 C C .026 .025 .013 .018 .034 .046 .049 .052 .032 .052 10
EL CAJON LES .023 C C C .015 .015 .019 .029 .045 .047 .053 .030 .053 10
KEARNY MESA .022 C C .022 .021 .018 .030 .045 .049 .052 .058 .035 .058 10
OTAY MESA DVN .028 C C .026 .028 .033 .038 .041 .043 .052 .057 .038 .057 10
PENDLETON .027 C C .025 .022 .020 .020 .035 .045 .050 .051 .032 .051 10
03 NO2 PPB ALPINE 1.6 C C 1.3 1.4 2.0 2.4 4.1 3.3 3.2 3.2 2.5 4.1 07
CARMEL MT RCH 11.5 C C 10.1 11.2 5.0 7.2 5.9 5.9 6.4 5.0 7.5 11.5 00
CHULA VISTA 10.1 C C 6.8 7.9 8.0 6.3 3.2 2.3 2.1 2.2 5.4 10.1 00
DOWNTOWN SE 11.0 C C 8.9 9.5 15.3 13.4 8.0 4.0 4.3 3.7 8.6 15.3 05
EL CAJON LES 5.2 C C C 4.7 4.7 4.7 3.9 2.5 4.2 2.8 4.0 5.2 00
KEARNY MESA 8.1 C C 5.5 5.7 8.3 4.1 1.9 1.6 2.0 2.0 4.3 8.3 05
OTAY MESA DVN 6.7 C C 7.9 6.3 4.0 2.8 4.6 6.0 3.4 1.7 4.8 7.9 03
PENDLETON 3.6 C C 3.5 4.5 5.4 4.5 6.0 3.1 1.6 2.1 3.8 6.0 07
SAN YSIDRO 12.0 C C 9.0 4.9 5.1 2.9 4.8 3.4 3.1 2.5 5.3 12.0 00
06 CO PPM CARMEL MT RCH .4 C C .3 .3 .3 .4 .4 .4 .4 .4 .4 .4 00
SAN YSIDRO .5 C C .3 .3 .3 .2 .2 .2 .2 .2 .3 .5 00
07 H2S PPB IB CIVIC CTR 82.4 70.4 6.7 1.8 5.1 2.5 1.5 8.3 .8 .9 .6 16.4 82.4 00
NESTOR - BES 193.9 42.9 14.9 25.7 35.7 30.4 78.4 26.6 1.6 1.4 .9 41.1 193.9 00
SAN YSIDRO 2.4 3.1 .9 3.3 2.3 .6 .4 1.4 1.1 1.2 1.7 1.6 3.3 03
10 INTMP °C ALPINE 27 26 27 27 27 27 27 26 25 25 25 26 27 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 24 25 25 24 25 25 25 25 24 24 24 25 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 25 24 24 24 24 24 23 24 24 25 24 24 25 00
OTAY MESA DVN 28 28 28 28 28 27 27 27 27 28 28 28 28 00
PENDLETON 26 26 26 26 26 25 25 26 25 25 25 26 26 00
SAN YSIDRO 24 25 25 25 25 24 24 25 24 24 24 24 25 01
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 25 24 24 26 27 00
NESTOR - BES 26 26 27 26 26 26 26 25 25 25 24 26 27 02
11 PM2.5 µg/M3 ALPINE 6.8 6.8 6.8 6.5 6.3 6.2 5.9 5.8 6.3 8.0 9.2 6.7 9.2 10
CARMEL MT RCH 7.8 8.3 7.8 6.5 7.4 8.7 6.9 6.9 8.0 8.7 9.1 7.8 9.1 10
CHULA VISTA 8.7 8.9 8.2 8.4 8.5 8.7 8.7 8.3 8.7 9.5 9.8 8.7 9.8 10
DOWNTOWN SE 7.5 8.4 8.9 10.1 9.7 10.1 13.6 10.0 9.3 9.8 10.1 9.7 13.6 06
EL CAJON LES 8.8 9.0 8.9 9.1 9.0 8.5 9.0 10.0 9.2 10.8 10.8 9.3 10.8 09
KEARNY MESA 8.0 8.5 8.3 7.8 8.1 9.3 5.4 6.7 8.0 9.6 12.9 8.4 12.9 10
Current Date: 4/19/2026 11:09 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 16.2 17.3 13.1 22.8 23.5 15.4 15.3 15.4 18.4 14.0 10.3 16.5 23.5 04
PENDLETON 6.6 6.9 6.8 7.1 7.3 7.9 7.7 7.4 8.3 7.2 7.0 7.2 8.3 08
SAN YSIDRO 11.2 11.5 9.2 10.0 10.1 11.4 10.2 10.4 10.5 11.4 11.5 10.6 11.5 01
12 VWDR ° ALPINE 51 116 71 88 360 299 104 202 295 287 254 0 360 04
CHULA VISTA 142 76 68 116 115 100 110 208 288 262 263 0 288 08
DOWNTOWN SE 296 352 357 340 21 74 94 177 204 208 198 0 357 02
EL CAJON LES 179 107 143 118 121 105 45 256 275 261 282 0 282 10
KEARNY MESA 347 53 33 9 58 57 82 216 228 224 202 0 347 00
OTAY MESA DVN 32 1 23 64 23 16 323 237 260 291 288 0 323 06
PENDLETON 54 48 49 65 68 73 84 210 181 186 209 0 210 07
13 SIGTHETA ° ALPINE 21 35 32 20 63 48 15 26 34 40 39 34 63 04
CHULA VISTA 57 17 27 29 35 36 40 37 50 50 40 38 57 00
DOWNTOWN SE 34 24 16 25 22 31 36 24 41 38 23 29 41 08
EL CAJON LES 64 25 56 21 36 25 54 42 38 43 61 42 64 00
KEARNY MESA 17 17 11 19 22 13 24 31 31 52 44 26 52 09
OTAY MESA DVN 55 31 34 65 23 66 38 38 54 33 48 44 66 05
PENDLETON 10 7 8 9 8 6 9 53 14 16 16 14 53 07
14 VWSP MPH ALPINE 1.5 1.1 .9 1.9 .5 .8 1.6 1.1 3.6 3.1 3.7 .0 3.7 10
CHULA VISTA .9 1.4 1.2 1.4 1.4 1.3 1.5 2.4 2.8 2.7 4.2 .0 4.2 10
DOWNTOWN SE .7 1.8 1.9 1.4 1.6 1.3 1.4 2.7 2.8 4.0 5.6 .0 5.6 10
EL CAJON LES .6 1.7 1.1 1.5 1.4 1.3 .5 1.9 3.4 3.5 2.2 .0 3.5 09
KEARNY MESA 2.3 2.6 3.6 2.9 2.4 2.3 2.5 1.7 3.9 3.4 3.8 .0 3.9 08
OTAY MESA DVN .6 3.3 2.4 .9 1.7 1.1 .6 2.2 1.5 3.2 3.8 .0 3.8 10
PENDLETON 4.0 4.2 4.4 4.4 4.1 4.6 4.2 1.0 6.0 5.4 6.8 .0 6.8 10
15 SWSP MPH ALPINE 1.8 1.3 1.1 2.1 1.1 1.6 1.7 2.8 4.1 3.9 4.7 2.4 4.7 10
CHULA VISTA 1.3 1.6 1.4 1.6 1.6 1.5 2.4 2.9 3.5 3.9 5.2 2.4 5.2 10
DOWNTOWN SE 1.1 1.9 2.0 1.7 1.7 1.5 1.8 3.0 3.4 4.5 6.1 2.6 6.1 10
EL CAJON LES 1.5 2.2 1.9 1.9 2.2 1.4 1.5 2.3 4.1 4.6 3.5 2.5 4.6 09
KEARNY MESA 2.5 2.8 3.7 3.4 2.5 2.4 2.6 2.6 4.7 4.8 4.7 3.3 4.8 09
OTAY MESA DVN 1.5 3.8 2.8 1.7 2.1 1.5 2.0 3.0 3.6 4.3 4.9 2.8 4.9 10
PENDLETON 4.1 4.2 4.5 4.5 4.2 4.7 4.2 2.2 6.2 5.6 7.2 4.7 7.2 10
16 AMBTEMP °F ALPINE 63.3 61.3 61.7 62.1 61.6 60.7 61.6 66.7 63.2 65.7 68.6 63.3 68.6 10
CARMEL MT RCH 59.2 58.5 58.3 57.4 56.2 56.2 57.9 61.7 66.1 68.0 72.9 61.1 72.9 10
CHULA VISTA 60.3 59.7 59.3 57.9 57.3 58.3 60.6 63.1 65.1 67.8 69.8 61.7 69.8 10
DOWNTOWN SE 61.3 60.8 60.1 59.0 59.0 58.3 59.7 62.5 65.2 67.3 69.5 62.1 69.5 10
EL CAJON LES 59.5 58.6 57.3 55.9 54.9 54.9 57.5 62.0 66.8 69.3 73.0 60.9 73.0 10
KEARNY MESA 57.1 56.6 56.8 55.7 54.8 55.5 58.2 60.3 65.2 67.9 71.7 60.0 71.7 10
OTAY MESA DVN 59.2 58.7 58.2 57.3 57.3 58.1 59.2 61.6 64.7 68.2 71.8 61.3 71.8 10
PENDLETON 58.8 59.0 58.1 57.4 56.9 56.9 58.7 63.4 65.3 65.6 67.1 60.7 67.1 10
Current Date: 4/19/2026 11:09 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 60.7 60.1 59.9 61.2 61.7 61.4 62.0 64.6 67.3 70.0 72.1 63.7 72.1 10
17 RELHUM % ALPINE 30 34 32 30 31 32 32 29 45 50 52 36 52 10
EL CAJON LES 83 87 89 90 91 87 80 75 72 66 54 79 91 04
KEARNY MESA 89 90 90 93 95 95 99 99 77 69 57 87 99 06
18 PRES mmHg EL CAJON LES 747 747 746 746 746 746 747 747 748 748 748 747 748 08
KEARNY MESA 748 748 747 747 747 747 748 748 749 749 749 748 749 08
19 SOLAR W/M2 EL CAJON LES 1 0 -1 -1 0 26 146 425 614 757 920 262 920 10
KEARNY MESA 1 1 1 1 1 19 98 249 522 714 956 233 956 10
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 9 22 33 41 50 14 50 10
25 NOY EL CAJON LES 5.50 4.80 4.93 4.79 C C 6.27 6.08 4.15 6.18 5.01 5.30 6.27 06
26 NOY-NO EL CAJON LES 5.46 4.72 4.81 4.76 C C 5.13 4.63 3.39 4.86 4.30 4.67 5.46 00
27 NO Trace EL CAJON LES .04 .07 .11 .03 C C 1.14 1.44 .76 1.31 .70 .62 1.44 07
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .1 .0 .0 .0 .0 .1 07
29 CO Tr PPB EL CAJON LES 246.8 C C C 260.1 248.4 262.1 269.3 240.1 236.0 246.5 251.1 269.3 07
BCarbon ug/m3 10TH AVE MARIN < .23 .46 .51 .62 .79 .86 .59 .37 .31 .45 .52 .86 06
ALPINE .09 < .10 < .09 .11 < < .22 < .26 .14 .26 10
BOSTON AVE .40 .59 .86 .98 1.08 .87 .69 .46 .38 .32 .37 .64 1.08 04
CHICANO PARK .25 .45 .60 < .84 .71 .65 < .41 .36 .35 .51 .84 04
DOWNTOWN SE < < .70 < .62 .66 < .37 < .37 .37 .52 .70 02
OCEANVIEW BLV .60 .49 < .84 .66 < .51 .39 .37 .36 < .53 .84 03
OTAY MESA DVN 1.26 < .98 3.02 2.23 .75 .59 < .89 .50 .32 1.17 3.02 03
SAN YSIDRO .47 .63 .32 .40 .33 < .27 .36 .32 .34 .32 .38 .63 01
PM10 STD ALPINE 40.5 36.7 39.4 39.3 37.5 36.6 29.5 31.3 30.3 31.2 35.6 35.2 40.5 00
CARMEL MT RCH 22.4 22.4 20.5 19.5 21.5 24.0 18.6 22.0 26.1 33.1 30.5 23.6 33.1 09
CHULA VISTA 24.8 24.1 22.8 21.6 23.6 25.5 26.2 25.9 30.8 33.2 34.7 26.6 34.7 10
DOWNTOWN SE 23.4 23.6 27.5 29.2 27.9 26.8 33.3 32.2 32.4 35.3 33.5 29.5 35.3 09
EL CAJON LES 25.6 25.7 23.3 23.4 22.2 23.3 26.3 28.9 28.2 30.5 35.3 26.6 35.3 10
KEARNY MESA 24.9 24.0 24.0 23.4 23.9 29.1 12.7 22.0 27.8 33.6 42.4 26.1 42.4 10
OTAY MESA DVN 54.1 57.6 37.3 52.0 86.8 61.0 56.6 41.4 46.3 39.1 39.6 51.9 86.8 04
PENDLETON 20.1 22.1 24.4 22.9 21.4 25.2 23.2 28.0 35.5 27.8 25.7 25.1 35.5 08
SAN YSIDRO 32.9 29.8 26.4 27.7 27.1 28.6 28.9 32.1 33.7 39.2 40.3 31.5 40.3 10
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00