Current Date: 4/20/2026 2:09 PM
Daily Parameter Report
4/20/2026
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 .040 .031 C C .040 .033 .033 .038 .047 .049 .053 .060 .067 .068 .046 .068 13
CHULA VISTA .047 .041 C C .030 .022 .028 .041 .045 .048 .054 .056 .053 .053 .043 .056 11
DOWNTOWN SE .043 .038 C C .035 .021 .024 .042 .038 .043 .051 .053 .050 .048 .040 .053 11
EL CAJON LES .041 .040 C C C .035 .036 .041 .044 .049 .055 .059 .059 .057 .046 .059 11
KEARNY MESA .027 .030 C C .027 .018 .021 .045 .050 .053 .056 .056 .055 .053 .040 .056 10
OTAY MESA DVN .041 .041 C C .040 .032 .037 .040 .044 .050 .056 .061 .059 .059 .046 .061 11
PENDLETON .026 .029 C C .022 .022 .027 .034 .045 .049 .050 .050 .052 .052 .038 .052 12
03 NO2 PPB ALPINE 3.4 4.1 C C 2.9 5.5 5.5 5.8 3.7 3.1 2.7 2.4 2.9 2.8 3.7 5.8 07
CARMEL MT RCH 5.1 8.8 C C 4.5 2.9 3.7 3.8 10.8 8.6 10.3 9.1 7.1 8.9 6.9 10.8 08
CHULA VISTA 1.9 2.7 C C 10.4 16.7 14.5 3.5 3.3 4.2 3.9 2.7 1.9 1.8 5.6 16.7 05
DOWNTOWN SE 4.7 6.0 C C 8.9 19.0 18.4 6.1 11.4 11.4 5.6 4.6 3.3 3.3 8.5 19.0 05
EL CAJON LES 2.3 2.0 C C C 1.9 1.6 1.2 1.4 2.0 2.3 3.5 2.3 1.9 2.0 3.5 11
KEARNY MESA 7.2 5.0 C C 12.9 22.9 13.8 2.5 2.8 4.4 2.9 1.6 1.2 1.1 6.5 22.9 05
OTAY MESA DVN 1.7 1.6 C C 2.7 12.0 7.1 6.1 6.2 4.2 3.1 2.3 2.2 1.8 4.2 12.0 05
PENDLETON 3.5 3.2 C C 5.5 5.9 8.1 6.8 3.5 2.1 1.7 .9 1.7 1.3 3.6 8.1 06
SAN YSIDRO 10.4 14.9 C C 15.3 15.0 19.5 7.7 5.1 3.7 3.0 3.0 2.4 2.5 8.5 19.5 06
06 CO PPM CARMEL MT RCH .2 .3 C C .2 .2 .2 .2 .3 .3 .4 .4 .3 .4 .3 .4 10
SAN YSIDRO .3 .3 C C .4 .5 .6 .3 .2 .2 .2 .2 .2 .2 .3 .6 06
07 H2S PPB IB CIVIC CTR 15.9 168.9 152.2 158.7 167.3 63.6 29.5 6.0 3.4 1.0 .8 .5 .5 .4 54.9 168.9 01
NESTOR - BES 341.0 148.9 221.9 129.7 25.0 19.0 8.5 2.8 M M M M 1.7 .7 89.9 341.0 00
SAN YSIDRO 2.8 2.4 6.4 3.6 2.1 1.7 1.4 .9 1.6 3.9 2.2 .7 .6 1.1 2.2 6.4 02
10 INTMP °C ALPINE 27 27 27 27 27 27 27 26 25 25 24 25 25 25 26 27 00
CARMEL MT RCH 24 25 25 25 25 24 24 24 25 25 25 24 24 24 25 25 01
CHULA VISTA 24 25 24 24 25 25 24 24 24 24 24 24 24 24 24 25 01
DOWNTOWN SE 25 25 25 24 24 24 25 25 24 24 24 24 23 23 24 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 25 25 26 25 25 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 24 24 24 25 24 25 24 25 11
OTAY MESA DVN 28 28 28 28 28 28 28 28 28 28 27 27 27 27 28 28 00
PENDLETON 26 26 26 26 26 25 25 26 25 25 25 25 25 25 25 26 00
SAN YSIDRO 25 24 25 25 25 24 24 24 24 25 24 24 24 24 24 25 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 25 24 24 24 24 24 26 27 00
NESTOR - BES 26 26 26 27 27 26 26 25 25 25 24 24 24 24 25 27 03
11 PM2.5 µg/M3 ALPINE 8.4 7.2 8.7 11.6 12.9 11.6 11.3 8.1 6.0 6.2 7.1 6.6 7.3 8.0 8.6 12.9 04
CARMEL MT RCH 7.1 7.1 7.0 7.4 8.0 8.7 8.8 9.5 10.8 11.7 10.5 9.0 8.5 7.2 8.6 11.7 09
CHULA VISTA 6.8 7.2 7.5 7.3 7.7 8.4 8.9 9.3 10.6 11.5 11.6 8.9 7.2 7.0 8.5 11.6 10
DOWNTOWN SE 9.5 8.6 9.0 8.9 9.8 10.3 11.7 12.2 12.5 12.7 10.3 9.5 8.0 7.7 10.0 12.7 09
EL CAJON LES 8.1 10.2 10.1 9.7 9.5 9.0 8.7 9.5 9.7 9.3 8.4 8.6 8.0 6.6 8.9 10.2 01
KEARNY MESA 6.8 7.1 7.0 7.0 7.2 7.7 8.2 10.6 11.1 12.1 10.3 8.8 8.0 7.4 8.5 12.1 09
Current Date: 4/20/2026 2:09 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 8.9 8.8 9.0 9.9 9.3 13.4 13.2 17.4 20.8 10.9 10.0 9.4 7.9 7.3 11.1 20.8 08
PENDLETON 6.6 6.5 6.6 6.7 7.1 7.3 7.6 7.6 7.3 6.9 6.3 6.2 6.9 6.5 6.8 7.6 06
SAN YSIDRO 8.0 8.6 10.6 10.0 9.6 11.1 14.3 11.2 11.0 11.7 9.2 8.5 7.6 7.5 9.9 14.3 06
12 VWDR ° ALPINE 144 324 302 170 116 118 136 219 255 249 269 250 264 273 0 324 01
CHULA VISTA 286 179 175 134 121 106 110 153 212 272 255 260 269 260 0 286 00
DOWNTOWN SE 353 326 323 328 16 40 138 114 218 221 253 268 267 246 0 353 00
EL CAJON LES 126 157 195 141 128 112 99 87 276 274 251 255 258 262 0 276 08
KEARNY MESA 64 16 332 18 59 43 339 177 209 203 257 266 277 288 0 339 06
OTAY MESA DVN 357 352 348 45 218 87 85 254 268 278 279 275 284 284 0 357 00
PENDLETON 45 48 49 52 53 49 61 41 217 236 237 249 256 257 0 257 13
13 SIGTHETA ° ALPINE 43 55 39 65 66 40 61 36 35 37 39 39 32 36 45 66 04
CHULA VISTA 34 15 11 16 12 14 32 57 53 30 26 21 19 22 26 57 07
DOWNTOWN SE 22 14 15 17 17 39 40 47 34 35 23 26 25 26 27 47 07
EL CAJON LES 43 20 22 22 15 17 15 54 72 < 50 28 23 29 32 72 08
KEARNY MESA 4 21 11 12 24 16 60 42 57 31 31 19 17 26 27 60 06
OTAY MESA DVN 22 23 26 45 35 11 35 60 60 36 27 20 15 20 31 60 07
PENDLETON 11 8 8 9 8 6 10 25 39 12 12 8 10 13 13 39 08
14 VWSP MPH ALPINE .6 .7 1.1 .6 .3 .6 .4 1.8 2.9 3.8 3.8 4.7 5.9 5.8 .0 5.9 12
CHULA VISTA 1.8 2.2 2.4 1.6 1.7 1.5 1.1 1.3 2.6 4.7 6.3 8.3 9.7 7.8 .0 9.7 12
DOWNTOWN SE 2.0 2.3 2.6 2.3 1.4 .9 .9 2.0 3.6 5.1 7.4 6.9 7.1 7.0 .0 7.4 10
EL CAJON LES .9 3.1 2.7 2.6 4.0 4.9 5.0 1.6 .8 2.5 3.0 6.7 8.3 6.7 .0 8.3 12
KEARNY MESA 3.3 1.7 2.6 1.3 2.2 2.1 .5 1.4 2.4 4.7 6.5 10.3 10.7 7.6 .0 10.7 12
OTAY MESA DVN 1.8 2.1 2.0 1.5 .5 3.7 .7 1.3 1.6 4.6 6.1 10.4 11.3 9.1 .0 11.3 12
PENDLETON 5.7 5.2 5.4 5.7 6.4 7.6 6.2 4.7 3.0 6.8 8.5 10.7 10.1 8.0 .0 10.7 11
15 SWSP MPH ALPINE 1.5 1.0 1.5 1.4 1.5 1.5 1.2 2.3 3.6 4.5 4.8 5.8 6.9 6.8 3.2 6.9 12
CHULA VISTA 2.1 2.3 2.5 1.7 1.8 1.5 1.3 2.0 3.6 5.2 7.0 9.0 10.2 8.3 4.2 10.2 12
DOWNTOWN SE 2.2 2.3 2.7 2.4 1.5 1.0 1.2 2.8 4.3 5.9 8.1 7.7 7.9 7.8 4.1 8.1 10
EL CAJON LES 1.7 3.4 3.0 2.7 4.2 5.1 5.1 2.5 2.6 3.6 4.3 7.5 9.1 7.4 4.4 9.1 12
KEARNY MESA 3.3 1.9 2.6 1.9 2.4 2.3 1.2 3.1 3.8 5.4 7.5 11.0 11.2 8.3 4.7 11.2 12
OTAY MESA DVN 2.0 2.2 2.3 2.4 1.8 3.8 1.8 2.7 2.8 5.2 6.6 11.2 11.7 9.6 4.7 11.7 12
PENDLETON 5.8 5.2 5.5 5.8 6.4 7.6 6.4 5.3 4.4 7.1 8.7 10.8 10.2 8.1 7.0 10.8 11
16 AMBTEMP °F ALPINE 53.3 51.5 51.5 52.1 52.4 51.4 53.0 59.1 62.5 66.0 69.1 71.8 72.4 70.9 59.8 72.4 12
CARMEL MT RCH 57.9 58.3 58.5 58.6 59.2 59.1 60.5 62.9 65.8 67.9 71.7 72.9 72.0 72.3 64.1 72.9 11
CHULA VISTA 62.8 62.1 61.0 60.2 59.2 59.0 61.5 64.9 66.6 66.9 68.7 68.4 68.0 68.5 64.1 68.7 10
DOWNTOWN SE 61.4 60.7 60.9 60.8 59.6 58.9 61.4 64.0 66.0 68.6 69.2 69.6 70.3 69.9 64.4 70.3 12
EL CAJON LES 61.9 61.3 61.4 61.4 60.9 59.7 61.1 63.6 66.7 71.6 74.7 76.6 75.5 75.7 66.6 76.6 11
KEARNY MESA 57.1 57.6 58.0 59.2 58.0 57.6 59.6 63.4 65.8 69.4 72.5 71.7 70.7 70.8 63.7 72.5 10
OTAY MESA DVN 59.8 59.9 59.7 59.7 58.7 58.2 60.1 63.2 66.7 69.5 72.3 72.4 70.8 70.0 64.4 72.4 11
PENDLETON 57.7 58.2 57.8 56.7 56.7 56.4 59.3 62.7 65.2 65.7 66.5 67.2 67.9 68.0 61.9 68.0 13
Current Date: 4/20/2026 2:09 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 61.0 60.6 60.5 59.6 58.0 57.9 61.5 64.1 66.3 69.2 70.8 71.0 71.0 70.5 64.4 71.0 11
17 RELHUM % ALPINE 100 100 100 100 100 100 95 66 48 46 43 32 35 43 72 100 00
EL CAJON LES 85 86 85 83 83 84 78 72 61 47 37 38 41 37 66 86 01
KEARNY MESA 93 92 92 90 89 86 84 74 63 55 48 50 51 50 73 93 00
18 PRES mmHg EL CAJON LES 748 748 748 748 748 749 749 749 749 749 749 749 749 749 749 749 05
KEARNY MESA 749 749 749 749 749 749 750 750 750 750 750 750 750 750 750 750 06
19 SOLAR W/M2 EL CAJON LES 3 2 2 2 1 27 185 423 651 834 957 1006 997 898 428 1006 11
KEARNY MESA 1 1 2 1 1 36 140 459 678 849 960 1015 996 900 431 1015 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 9 22 35 45 52 54 54 47 23 54 11
25 NOY EL CAJON LES 3.21 3.20 2.96 2.86 2.67 C C 2.79 3.03 C C C 4.19 3.43 3.14 4.19 12
26 NOY-NO EL CAJON LES 3.19 3.17 2.94 2.84 2.64 C C 2.47 2.66 C C C 3.62 2.80 2.92 3.62 12
27 NO Trace EL CAJON LES .01 .02 .01 .01 .02 C C .31 .36 C C C .56 .63 .21 .63 13
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 .0 .1 .1 .0 .0 .1 11
29 CO Tr PPB EL CAJON LES 192.1 198.6 C C C 199.0 198.8 195.4 204.6 228.5 236.9 238.4 209.9 186.9 208.1 238.4 11
BCarbon ug/m3 10TH AVE MARIN .30 .24 .28 .21 .19 .52 < .50 .53 .46 .34 .36 .21 .22 .34 .53 08
ALPINE .22 .23 .23 .25 .23 .27 .27 .27 < .21 < < < < .24 .27 05
BOSTON AVE .26 .26 .30 .35 .82 1.29 .74 .42 .55 .60 .34 .38 .31 .28 .49 1.29 05
CHICANO PARK < < < .25 .39 .81 .69 .55 < .41 < .27 .20 < .45 .81 05
DOWNTOWN SE .25 .27 .25 .22 .32 .45 .71 .31 .48 < .34 .29 .15 < .34 .71 06
OCEANVIEW BLV < .26 .26 < .37 < .57 .29 .35 .59 .36 .27 < .25 .36 .59 09
OTAY MESA DVN .13 .14 .16 .30 .25 1.30 .64 1.19 < .44 .31 .25 .18 .20 .42 1.30 05
SAN YSIDRO .30 .78 .73 .72 .59 .67 < .37 < < .23 < .14 .15 .47 .78 01
PM10 STD ALPINE 13.8 13.1 15.0 21.7 25.4 26.7 30.4 32.0 20.6 22.7 22.5 22.3 25.7 29.1 22.9 32.0 07
CARMEL MT RCH 18.8 22.5 20.2 20.7 21.1 24.0 24.0 24.1 29.5 32.7 30.8 29.1 27.9 22.6 24.8 32.7 09
CHULA VISTA 22.9 24.7 23.6 22.4 25.8 30.4 30.1 30.2 30.1 32.4 32.6 28.4 27.2 27.7 27.7 32.6 10
DOWNTOWN SE 27.4 25.9 26.9 26.2 27.7 29.7 34.2 36.0 38.2 37.3 34.2 29.0 35.0 29.7 31.2 38.2 08
EL CAJON LES 24.7 28.4 29.0 27.6 26.9 23.5 25.1 27.5 26.5 27.9 25.2 26.3 29.4 23.6 26.5 29.4 12
KEARNY MESA 21.4 22.5 23.1 21.9 20.9 25.2 25.9 32.9 30.1 38.0 36.8 29.1 26.4 27.0 27.2 38.0 09
OTAY MESA DVN 35.9 26.4 27.3 36.0 30.3 66.1 53.7 58.2 76.2 48.4 45.1 37.5 35.7 30.8 43.4 76.2 08
PENDLETON 19.6 19.4 18.9 19.2 19.4 19.0 20.7 21.9 21.7 22.6 20.7 19.5 23.8 20.0 20.4 23.8 12
SAN YSIDRO 24.5 26.3 30.5 29.5 29.2 29.4 44.0 32.2 31.3 37.4 30.6 28.9 31.1 29.8 31.0 44.0 06
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00