Current Date: 4/19/2026 6:09 PM
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 .062 .065 .071 .070 .065 .062 .059 .057 .071 13
CHULA VISTA .023 C C .018 .014 .018 .027 .044 .050 .052 .055 .061 .058 .054 .054 .054 .054 .053 .043 .061 11
DOWNTOWN SE .029 C C .026 .025 .013 .018 .034 .046 .049 .052 .054 .051 .050 .054 .052 .051 .050 .040 .054 11
EL CAJON LES .023 C C C .015 .015 .019 .029 .045 .047 .053 .060 .063 .060 .057 .056 .055 .053 .043 .063 12
KEARNY MESA .022 C C .022 .021 .018 .030 .045 .049 .052 .058 .062 .060 .058 .058 .057 .054 .052 .044 .062 11
OTAY MESA DVN .028 C C .026 .028 .033 .038 .041 .043 .052 .057 .061 .063 .058 .055 .054 .052 .051 .046 .063 12
PENDLETON .027 C C .025 .022 .020 .020 .035 .045 .050 .051 .051 .055 .058 .056 .057 .056 .055 .042 .058 13
03 NO2 PPB ALPINE 1.6 C C 1.3 1.4 2.0 2.4 4.1 3.3 3.2 3.2 2.8 2.6 2.9 2.7 2.6 3.4 3.7 2.7 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 6.3 5.7 5.8 6.1 6.3 5.9 6.3 6.9 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 2.1 1.7 1.7 1.5 1.9 1.9 1.8 3.8 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 3.7 2.3 2.7 2.9 2.5 3.7 3.4 6.2 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 1.6 2.0 1.5 1.6 2.7 2.4 3.4 3.1 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 1.8 1.2 1.2 1.1 1.4 .9 1.2 3.0 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 1.6 1.9 1.5 1.4 1.3 1.7 1.8 3.4 7.9 03
PENDLETON 3.6 C C 3.5 4.5 5.4 4.5 6.0 3.1 1.6 2.1 1.0 1.4 1.2 .9 .9 .9 1.2 2.6 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 2.9 2.7 2.3 2.0 2.8 2.8 3.2 4.1 12.0 00
06 CO PPM CARMEL MT RCH .4 C C .3 .3 .3 .4 .4 .4 .4 .4 .4 .4 .4 .4 .5 .4 .4 .4 .5 15
SAN YSIDRO .5 C C .3 .3 .3 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .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 .6 .5 .5 .5 .5 .5 .5 10.2 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 1.5 1.6 1.8 2.2 1.0 .4 .5 25.6 193.9 00
SAN YSIDRO 2.4 3.1 .9 3.3 2.3 .6 .4 1.4 1.1 1.2 1.7 1.2 .7 .7 .6 .7 .9 1.1 1.3 3.3 03
10 INTMP °C ALPINE 27 26 27 27 27 27 27 26 25 25 25 25 25 25 25 25 25 25 26 27 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 25 25 00
CHULA VISTA 24 25 25 24 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 25 26 26 00
KEARNY MESA 25 24 24 24 24 24 23 24 24 25 24 25 24 24 25 25 25 25 24 25 00
OTAY MESA DVN 28 28 28 28 28 27 27 27 27 28 28 27 27 27 27 27 26 26 27 28 00
PENDLETON 26 26 26 26 26 25 25 26 25 25 25 25 25 25 25 25 25 25 25 26 00
SAN YSIDRO 24 25 25 25 25 24 24 25 24 24 24 24 24 24 24 24 24 24 24 25 01
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 25 24 24 24 24 24 24 25 25 26 26 27 00
NESTOR - BES 26 26 27 26 26 26 26 25 25 25 24 24 24 24 24 25 25 25 25 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 8.7 8.8 9.2 8.7 7.6 7.6 7.3 7.3 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 8.6 9.6 9.8 8.1 7.6 7.7 7.8 8.0 9.8 13
CHULA VISTA 8.7 8.9 8.2 8.4 8.5 8.7 8.7 8.3 8.7 9.5 9.8 12.9 10.1 8.5 8.4 8.8 8.5 7.4 8.9 12.9 11
DOWNTOWN SE 7.5 8.4 8.9 10.1 9.7 10.1 13.6 10.0 9.3 9.8 10.1 10.4 8.3 8.2 8.9 8.8 8.8 8.5 9.4 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 9.7 10.0 8.5 7.6 7.4 7.3 7.6 8.9 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 12.4 10.3 8.6 8.7 8.5 8.1 7.6 8.7 12.9 10
Current Date: 4/19/2026 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 16.2 17.3 13.1 22.8 23.5 15.4 15.3 15.4 18.4 14.0 10.3 9.8 11.3 9.0 7.5 6.4 7.1 6.7 13.3 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 7.1 12.1 13.1 8.3 7.4 7.1 6.7 7.8 13.1 13
SAN YSIDRO 11.2 11.5 9.2 10.0 10.1 11.4 10.2 10.4 10.5 11.4 11.5 12.4 11.0 8.9 8.5 9.0 9.1 8.9 10.2 12.4 11
12 VWDR ° ALPINE 51 116 71 88 360 299 104 202 295 287 254 262 254 271 248 262 250 261 0 360 04
CHULA VISTA 142 76 68 116 115 100 110 208 288 262 263 251 257 263 260 256 249 252 0 288 08
DOWNTOWN SE 296 352 357 340 21 74 94 177 204 208 198 208 222 221 237 255 253 259 0 357 02
EL CAJON LES 179 107 143 118 121 105 45 256 275 261 282 265 235 231 239 247 269 235 0 282 10
KEARNY MESA 347 53 33 9 58 57 82 216 228 224 202 231 238 239 238 256 291 283 0 347 00
OTAY MESA DVN 32 1 23 64 23 16 323 237 260 291 288 278 278 291 290 288 282 272 0 323 06
PENDLETON 54 48 49 65 68 73 84 210 181 186 209 223 238 247 254 257 258 256 0 258 16
13 SIGTHETA ° ALPINE 21 35 32 20 63 48 15 26 34 40 39 36 39 32 27 29 30 27 33 63 04
CHULA VISTA 57 17 27 29 35 36 40 37 50 50 40 22 22 25 24 23 21 18 32 57 00
DOWNTOWN SE 34 24 16 25 22 31 36 24 41 38 23 25 23 22 31 25 24 24 27 41 08
EL CAJON LES 64 25 56 21 36 25 54 42 38 43 61 62 28 25 24 24 22 22 37 64 00
KEARNY MESA 17 17 11 19 22 13 24 31 31 52 44 35 17 19 16 15 15 12 23 52 09
OTAY MESA DVN 55 31 34 65 23 66 38 38 54 33 48 23 16 17 14 13 14 11 33 66 05
PENDLETON 10 7 8 9 8 6 9 53 14 16 16 12 13 8 11 12 12 11 13 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 4.1 4.8 5.3 5.9 6.0 5.0 4.1 .0 6.0 15
CHULA VISTA .9 1.4 1.2 1.4 1.4 1.3 1.5 2.4 2.8 2.7 4.2 6.9 7.6 6.8 7.0 6.5 5.7 5.4 .0 7.6 12
DOWNTOWN SE .7 1.8 1.9 1.4 1.6 1.3 1.4 2.7 2.8 4.0 5.6 7.4 7.7 7.0 6.3 5.7 5.3 4.1 .0 7.7 12
EL CAJON LES .6 1.7 1.1 1.5 1.4 1.3 .5 1.9 3.4 3.5 2.2 3.0 6.9 7.2 6.6 6.6 6.7 5.7 .0 7.2 13
KEARNY MESA 2.3 2.6 3.6 2.9 2.4 2.3 2.5 1.7 3.9 3.4 3.8 7.6 9.7 8.3 9.7 9.2 7.4 7.2 .0 9.7 12
OTAY MESA DVN .6 3.3 2.4 .9 1.7 1.1 .6 2.2 1.5 3.2 3.8 7.8 10.7 9.0 10.4 9.4 8.2 7.9 .0 10.7 12
PENDLETON 4.0 4.2 4.4 4.4 4.1 4.6 4.2 1.0 6.0 5.4 6.8 8.9 7.7 9.2 8.3 7.8 7.2 6.5 .0 9.2 13
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 5.1 5.9 6.2 6.8 6.8 5.6 4.6 3.7 6.8 14
CHULA VISTA 1.3 1.6 1.4 1.6 1.6 1.5 2.4 2.9 3.5 3.9 5.2 7.4 8.1 7.5 7.5 7.1 6.1 5.7 4.2 8.1 12
DOWNTOWN SE 1.1 1.9 2.0 1.7 1.7 1.5 1.8 3.0 3.4 4.5 6.1 8.2 8.3 7.5 7.4 6.4 6.0 4.7 4.3 8.3 12
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 4.8 7.6 7.8 7.2 7.2 7.2 6.8 4.2 7.8 13
KEARNY MESA 2.5 2.8 3.7 3.4 2.5 2.4 2.6 2.6 4.7 4.8 4.7 8.5 10.3 8.8 10.1 9.8 7.6 7.4 5.5 10.3 12
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 8.4 11.2 9.5 10.7 9.7 8.4 8.1 5.4 11.2 12
PENDLETON 4.1 4.2 4.5 4.5 4.2 4.7 4.2 2.2 6.2 5.6 7.2 9.1 7.9 9.3 8.4 7.9 7.3 6.6 6.0 9.3 13
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 71.4 74.2 74.4 74.4 72.6 70.0 66.9 66.7 74.4 13
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 77.1 76.4 76.6 76.1 73.9 71.7 68.1 66.2 77.1 11
CHULA VISTA 60.3 59.7 59.3 57.9 57.3 58.3 60.6 63.1 65.1 67.8 69.8 70.1 69.5 69.6 69.2 68.5 67.5 65.9 64.4 70.1 11
DOWNTOWN SE 61.3 60.8 60.1 59.0 59.0 58.3 59.7 62.5 65.2 67.3 69.5 69.9 70.4 70.9 71.0 70.0 68.3 66.5 65.0 71.0 14
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 77.2 77.1 77.7 78.1 77.0 74.9 71.6 66.9 78.1 14
KEARNY MESA 57.1 56.6 56.8 55.7 54.8 55.5 58.2 60.3 65.2 67.9 71.7 74.0 72.8 73.9 73.4 72.4 69.7 67.0 64.6 74.0 11
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 74.2 73.2 73.1 72.7 70.8 68.6 65.9 65.2 74.2 11
PENDLETON 58.8 59.0 58.1 57.4 56.9 56.9 58.7 63.4 65.3 65.6 67.1 67.6 68.5 68.5 68.9 68.5 67.9 67.1 63.6 68.9 14
Current Date: 4/19/2026 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 60.7 60.1 59.9 61.2 61.7 61.4 62.0 64.6 67.3 70.0 72.1 72.3 72.5 72.9 71.9 70.3 68.8 66.4 66.5 72.9 13
17 RELHUM % ALPINE 30 34 32 30 31 32 32 29 45 50 52 46 38 41 42 41 48 54 39 54 17
EL CAJON LES 83 87 89 90 91 87 80 75 72 66 54 43 45 40 37 40 44 56 66 91 04
KEARNY MESA 89 90 90 93 95 95 99 99 77 69 57 54 57 46 49 52 61 72 75 99 06
18 PRES mmHg EL CAJON LES 747 747 746 746 746 746 747 747 748 748 748 747 747 747 746 746 746 747 747 748 08
KEARNY MESA 748 748 747 747 747 747 748 748 749 749 749 748 748 748 747 747 747 748 748 749 08
19 SOLAR W/M2 EL CAJON LES 1 0 -1 -1 0 26 146 425 614 757 920 997 840 907 757 560 338 110 411 997 11
KEARNY MESA 1 1 1 1 1 19 98 249 522 714 956 989 996 910 771 572 360 132 405 996 12
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 9 22 33 41 50 54 47 48 39 28 16 5 22 54 11
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 4.00 4.42 3.24 3.00 4.05 3.54 4.07 4.62 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 3.61 3.93 2.90 2.66 3.44 3.12 3.79 4.09 5.46 00
27 NO Trace EL CAJON LES .04 .07 .11 .03 C C 1.14 1.44 .76 1.31 .70 .38 .48 .33 .34 .61 .42 .27 .52 1.44 07
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .1 .0 .0 .0 .1 .1 .1 .1 .1 .0 .0 .0 .1 07
29 CO Tr PPB EL CAJON LES 246.8 C C C 260.1 248.4 262.1 269.3 240.1 236.0 246.5 213.1 217.7 182.9 186.9 180.2 192.2 195.8 225.2 269.3 07
BCarbon ug/m3 10TH AVE MARIN < .23 .46 .51 .62 .79 .86 .59 .37 .31 .45 .43 .35 .29 .27 .36 .43 .26 .45 .86 06
ALPINE .09 < .10 < .09 .11 < < .22 < .26 .23 < < .26 < .19 .19 .17 .26 10
BOSTON AVE .40 .59 .86 .98 1.08 .87 .69 .46 .38 .32 .37 .40 .14 .14 .20 .20 .21 .20 .47 1.08 04
CHICANO PARK .25 .45 .60 < .84 .71 .65 < .41 .36 .35 .38 .35 .29 .58 .26 .23 .18 .43 .84 04
DOWNTOWN SE < < .70 < .62 .66 < .37 < .37 .37 < < .18 < < .25 .18 .41 .70 02
OCEANVIEW BLV .60 .49 < .84 .66 < .51 .39 .37 .36 < < .20 < < .21 < < .46 .84 03
OTAY MESA DVN 1.26 < .98 3.02 2.23 .75 .59 < .89 .50 .32 < .42 < .16 .12 .13 .17 .82 3.02 03
SAN YSIDRO .47 .63 .32 .40 .33 < .27 .36 .32 .34 .32 .40 .27 .15 .11 .14 .11 .12 .30 .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 33.5 36.7 36.1 33.7 31.7 29.9 27.8 34.2 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 33.6 31.5 33.1 31.6 28.2 28.7 27.1 26.3 33.6 11
CHULA VISTA 24.8 24.1 22.8 21.6 23.6 25.5 26.2 25.9 30.8 33.2 34.7 39.6 30.7 29.9 30.3 29.0 28.7 26.9 28.2 39.6 11
DOWNTOWN SE 23.4 23.6 27.5 29.2 27.9 26.8 33.3 32.2 32.4 35.3 33.5 34.3 30.8 31.1 32.3 31.0 33.0 28.9 30.3 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 36.0 36.5 32.4 28.8 27.2 26.3 26.7 28.1 36.5 12
KEARNY MESA 24.9 24.0 24.0 23.4 23.9 29.1 12.7 22.0 27.8 33.6 42.4 40.8 37.2 31.6 33.5 31.0 30.1 27.7 28.8 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 40.2 42.4 36.3 31.6 24.1 27.1 25.2 44.3 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 22.1 31.9 32.9 31.3 26.6 26.9 28.3 26.4 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 42.0 34.6 33.4 32.8 30.5 31.9 31.6 32.4 42.0 11
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