Current Date: 4/30/2026 2:09 PM
Daily Parameter Report
4/30/2026
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 .031 .029 C C .026 .018 .031 .036 .036 .042 P .052 .057 .062 .038 .062 13
CHULA VISTA .022 .022 C C .017 .012 .022 .033 .038 .039 .044 .050 .051 .051 .033 .051 12
DOWNTOWN SE P .036 .034 .041 .045 .048 .049 .042 .049 13
EL CAJON LES .029 .027 C C C .027 .028 .029 .040 .043 .046 .051 .056 .056 .039 .056 12
KEARNY MESA .038 .041 C C .032 .024 .032 .035 .041 .048 .050 .052 .053 .051 .041 .053 12
OTAY MESA DVN .028 .031 C C .025 .023 .027 .035 .039 .045 .048 .051 .054 .054 .038 .054 12
PENDLETON .022 .022 C C .015 .017 .021 .033 .040 .044 .047 .048 .047 .046 .033 .048 11
03 NO2 PPB ALPINE 4.4 4.5 C C 6.2 10.9 4.9 4.8 3.3 2.5 P 2.4 2.5 3.0 4.4 10.9 05
CARMEL MT RCH 4.7 7.8 C C 3.4 5.3 3.8 7.7 10.1 6.0 6.8 9.8 10.1 9.4 7.0 10.1 08
CHULA VISTA 7.2 6.7 C C 9.4 14.1 7.2 4.4 4.2 4.9 5.5 2.4 1.8 1.7 5.7 14.1 05
DOWNTOWN SE P 8.6 12.0 7.2 4.5 4.0 3.8 6.6 12.0 09
EL CAJON LES 2.2 2.5 C C C 2.4 2.8 2.9 2.7 2.4 2.2 2.5 1.8 2.0 2.4 2.9 07
KEARNY MESA 1.8 1.4 C C 6.8 11.8 5.0 2.6 2.9 1.7 1.6 1.2 1.8 1.5 3.3 11.8 05
OTAY MESA DVN 2.6 2.1 C C 5.8 6.3 5.2 3.4 2.1 2.0 2.6 3.4 3.4 2.0 3.4 6.3 05
PENDLETON 5.8 4.5 C C 5.1 5.2 3.8 2.7 2.5 1.6 1.3 1.2 .9 1.0 2.9 5.8 00
SAN YSIDRO 10.7 8.0 C C 8.7 15.2 21.1 17.1 6.6 5.0 3.8 2.6 3.0 3.7 8.7 21.1 06
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .2 .2 .3 .3 .2 .2 .4 .4 .4 .3 .4 11
SAN YSIDRO .2 .2 C C .3 .6 .6 .4 .2 .2 .2 .2 .2 .2 .3 .6 05
07 H2S PPB IB CIVIC CTR 1.9 9.1 54.6 14.3 2.6 1.3 3.4 13.0 1.1 .5 .6 .5 .6 .6 7.4 54.6 02
NESTOR - BES 42.0 105.3 131.9 27.0 4.8 6.0 22.6 4.2 .8 .6 .6 1.4 1.0 .8 24.9 131.9 02
SAN YSIDRO 1.0 .5 1.3 .9 .6 1.0 2.3 2.0 .9 .7 .8 .9 .8 .5 1.0 2.3 06
10 INTMP °C ALPINE 27 27 27 27 27 27 27 27 26 25 24 24 25 26 26 27 00
CARMEL MT RCH 24 25 25 25 25 25 25 24 24 24 25 24 24 24 25 25 01
CHULA VISTA 24 25 25 25 25 25 25 25 25 24 24 24 24 24 25 25 01
DOWNTOWN SE P 25 25 24 24 24 24 24 25 08
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 25 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 24 24 25 24 25 24 24 25 10
OTAY MESA DVN 27 27 27 27 27 26 26 26 26 27 27 26 26 26 27 27 00
PENDLETON 26 26 25 25 25 25 24 25 25 25 25 25 25 25 25 26 00
SAN YSIDRO 24 24 24 24 24 24 23 23 24 24 25 24 24 24 24 25 10
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 26 25 25 24 24 24 26 27 00
NESTOR - BES 27 26 27 27 27 27 26 26 25 25 25 25 25 24 26 27 00
11 PM2.5 µg/M3 ALPINE 12.3 10.4 10.6 11.2 10.0 7.9 9.4 7.0 6.5 6.2 M 7.7 9.1 11.2 9.1 12.3 00
CARMEL MT RCH 8.2 8.4 8.1 8.0 8.2 8.3 8.4 9.0 9.7 9.9 10.5 12.3 12.5 13.2 9.6 13.2 13
CHULA VISTA 7.9 7.9 8.5 8.4 8.6 9.0 9.2 9.2 9.2 11.4 12.8 11.1 11.8 11.8 9.7 12.8 10
DOWNTOWN SE P 10.7 12.8 12.7 12.6 13.3 13.1 12.5 13.3 12
EL CAJON LES 8.4 9.1 9.3 9.4 9.0 9.6 9.8 9.5 9.9 9.1 9.7 11.3 11.8 12.1 9.8 12.1 13
KEARNY MESA 8.2 8.4 8.0 7.8 7.9 9.6 8.6 8.3 9.3 9.8 11.5 11.6 12.4 M 9.3 12.4 12
Current Date: 4/30/2026 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 13.9 11.1 11.3 13.7 15.0 16.1 13.7 11.7 10.5 8.7 9.4 12.3 12.7 11.6 12.2 16.1 05
PENDLETON 7.8 7.9 7.7 8.2 7.8 7.8 7.2 7.7 8.3 8.6 8.9 9.9 9.9 10.0 8.4 10.0 13
SAN YSIDRO 9.7 9.4 11.8 10.8 10.2 11.0 18.5 22.7 13.8 10.5 16.4 13.3 12.7 12.4 13.0 22.7 07
12 VWDR ° ALPINE 24 12 290 180 127 159 118 281 279 286 255 273 293 260 0 293 12
CHULA VISTA 114 131 132 85 85 51 66 25 308 257 269 269 272 259 0 308 08
DOWNTOWN SE P 305 236 226 238 246 240 0 305 08
EL CAJON LES 113 102 117 105 95 110 98 128 313 318 259 237 273 251 0 318 09
KEARNY MESA 7 321 354 52 50 25 70 56 324 242 237 252 248 264 0 354 02
OTAY MESA DVN 42 42 24 99 117 62 284 274 289 259 300 283 269 264 0 300 10
PENDLETON 58 51 58 57 51 45 39 60 230 239 239 243 246 247 0 247 13
13 SIGTHETA ° ALPINE 57 48 63 34 28 52 49 46 29 39 36 32 38 28 41 63 02
CHULA VISTA 14 51 15 20 18 31 22 45 48 40 35 20 22 24 29 51 01
DOWNTOWN SE P 45 36 24 25 26 26 30 45 08
EL CAJON LES 16 27 26 18 15 24 20 54 45 52 40 41 28 30 31 54 07
KEARNY MESA 13 23 19 7 11 19 7 19 39 41 22 27 22 18 21 41 09
OTAY MESA DVN 34 19 18 49 23 29 31 30 19 43 32 21 23 16 28 49 03
PENDLETON 11 11 8 11 11 9 11 21 34 10 10 9 8 7 12 34 08
14 VWSP MPH ALPINE .4 .8 .6 1.1 1.8 .1 .7 .5 3.3 2.8 4.0 4.6 4.7 6.0 .0 6.0 13
CHULA VISTA 2.5 .7 2.1 1.5 1.5 1.2 3.2 1.5 1.7 2.7 6.0 7.8 8.0 8.6 .0 8.6 13
DOWNTOWN SE P 1.8 3.5 6.1 6.9 6.6 7.4 .0 7.4 13
EL CAJON LES 2.6 2.2 2.2 2.4 3.4 2.7 3.1 1.3 2.2 2.5 2.9 4.0 5.9 6.6 .0 6.6 13
KEARNY MESA 3.6 1.9 2.1 5.0 4.8 2.5 4.8 3.2 3.0 3.2 7.9 9.3 8.3 10.7 .0 10.7 13
OTAY MESA DVN 1.5 3.4 2.3 1.4 1.9 .9 1.0 3.0 5.7 3.1 4.9 10.8 8.4 11.0 .0 11.0 13
PENDLETON 4.2 4.8 6.3 5.9 5.5 6.5 7.5 4.8 2.2 7.0 9.0 9.0 9.5 11.4 .0 11.4 13
15 SWSP MPH ALPINE 1.7 1.8 1.3 2.0 2.0 1.8 1.8 2.4 3.7 3.6 4.8 5.5 5.7 7.1 3.2 7.1 13
CHULA VISTA 2.6 1.1 2.2 1.8 1.7 1.6 3.4 2.2 2.9 4.1 7.0 8.2 8.7 9.4 4.1 9.4 13
DOWNTOWN SE P 2.8 4.3 6.8 7.6 7.4 8.3 6.2 8.3 13
EL CAJON LES 2.7 2.6 2.5 2.5 3.5 2.9 3.3 2.4 3.0 3.5 4.2 5.1 6.7 7.5 3.7 7.5 13
KEARNY MESA 3.8 2.2 2.7 5.1 4.9 2.8 4.8 3.5 3.7 4.3 8.6 10.3 9.2 11.8 5.6 11.8 13
OTAY MESA DVN 1.7 3.6 3.4 2.4 2.3 2.2 2.2 3.6 6.0 4.4 5.5 11.4 9.0 11.6 5.0 11.6 13
PENDLETON 4.3 5.0 6.4 6.0 5.6 6.6 7.6 5.1 3.5 7.2 9.2 9.1 9.6 11.5 6.9 11.5 13
16 AMBTEMP °F ALPINE 50.5 49.4 49.1 49.3 48.4 47.7 50.2 53.8 54.9 58.6 60.8 63.8 66.9 67.5 55.1 67.5 13
CARMEL MT RCH 58.5 58.1 57.7 57.8 57.1 56.7 58.2 58.5 60.2 64.7 68.1 68.9 69.9 70.4 61.8 70.4 13
CHULA VISTA 57.0 57.6 57.9 57.7 57.8 57.7 59.4 61.2 62.4 65.1 66.1 65.7 66.5 66.9 61.4 66.9 13
DOWNTOWN SE P 62.7 64.6 65.4 66.7 67.6 68.1 65.9 68.1 13
EL CAJON LES 59.0 58.2 57.3 57.6 57.2 56.9 57.8 59.4 62.5 65.6 68.5 70.5 72.4 73.3 62.6 73.3 13
KEARNY MESA 59.9 59.8 59.2 57.9 57.3 57.7 59.0 60.2 62.2 64.4 66.4 67.1 68.8 69.3 62.1 69.3 13
OTAY MESA DVN 55.4 55.8 57.2 55.7 56.6 56.6 57.7 59.9 61.8 64.2 67.4 68.4 68.3 68.9 61.0 68.9 13
PENDLETON 57.0 56.3 55.2 55.2 54.4 55.2 57.1 61.2 63.5 64.2 64.7 65.5 66.1 66.0 60.1 66.1 12
Current Date: 4/30/2026 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 57.2 56.9 57.8 58.3 58.4 57.8 59.8 62.0 63.9 65.3 66.7 67.8 68.7 68.5 62.1 68.7 12
17 RELHUM % ALPINE 99 98 100 98 96 95 91 76 71 63 61 55 51 53 79 100 02
EL CAJON LES 83 83 85 84 82 80 77 74 67 57 51 48 48 48 69 85 02
KEARNY MESA 80 79 79 81 82 81 79 76 70 64 64 63 61 61 73 82 04
18 PRES mmHg EL CAJON LES 748 748 748 748 747 747 747 747 747 747 747 747 746 746 747 748 00
KEARNY MESA 749 749 749 748 748 748 748 748 748 748 748 748 747 747 748 749 00
19 SOLAR W/M2 EL CAJON LES 2 0 0 3 1 25 87 210 349 607 724 927 989 848 341 989 12
KEARNY MESA 1 1 1 2 2 31 76 146 314 453 763 843 940 927 321 940 12
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 5 13 22 36 42 53 55 47 20 55 12
25 NOY EL CAJON LES 2.58 2.86 2.69 2.94 3.10 C C 3.74 3.76 3.60 3.71 4.36 3.71 3.82 3.40 4.36 11
26 NOY-NO EL CAJON LES 2.54 2.84 2.67 2.91 3.06 C C 3.20 3.06 2.79 2.98 3.51 3.11 3.29 2.99 3.51 11
27 NO Trace EL CAJON LES .03 .02 .02 .02 .03 C C .54 .70 .81 .73 .85 .59 .52 .40 .85 11
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .2 .1 .1 .0 .0 .0 .0 .2 08
29 CO Tr PPB EL CAJON LES 158.2 159.9 C C C 172.7 175.6 184.4 178.6 178.0 195.4 206.1 189.5 186.0 180.4 206.1 11
BCarbon ug/m3 10TH AVE MARIN .27 .23 .28 .35 .48 .56 .41 .47 .57 .57 < .38 .40 .33 .41 .57 08
ALPINE .20 .20 .19 .20 .24 .32 < .21 < .15 .16 < < .20 .21 .32 05
BOSTON AVE .28 .29 .29 .31 .46 .79 .82 .84 .57 1.08 .52 .54 .42 .36 .54 1.08 09
CHICANO PARK .27 .50 .49 < .45 .55 .50 .40 .58 .66 .53 .43 < .44 .48 .66 09
DOWNTOWN SE .21 .21 .15 .26 .32 .43 .35 .29 .30 .49 < .28 .29 .30 .30 .49 09
OCEANVIEW BLV .19 .17 .24 < .33 < .38 .30 .30 .51 .44 .33 .34 < .32 .51 09
OTAY MESA DVN .16 .13 .16 < < .71 .60 .36 < .17 .20 .23 .19 .13 .28 .71 05
SAN YSIDRO < .29 .50 < < .37 1.54 1.32 < .20 < .19 .15 < .57 1.54 06
PM10 STD ALPINE 23.3 20.2 20.6 21.9 19.8 15.3 20.3 16.2 17.2 15.5 M 21.3 26.6 30.5 20.6 30.5 13
CARMEL MT RCH 18.9 19.6 19.6 20.0 19.0 18.3 19.6 21.6 25.4 23.8 26.8 36.6 35.4 33.9 24.1 36.6 11
CHULA VISTA 19.7 18.6 20.1 20.5 21.3 21.1 21.0 21.5 23.2 26.7 28.9 24.9 27.2 29.3 23.1 29.3 13
DOWNTOWN SE P 27.3 34.3 33.8 31.9 33.6 33.5 32.4 34.3 09
EL CAJON LES 19.9 21.2 21.5 20.9 19.9 21.4 22.7 23.0 25.1 24.1 23.8 27.5 29.1 29.1 23.5 29.1 12
KEARNY MESA 21.6 21.7 19.9 18.4 18.7 25.5 21.8 21.0 26.4 25.2 29.5 28.5 28.4 M 23.5 29.5 10
OTAY MESA DVN 65.5 36.3 26.6 43.9 47.9 62.8 43.4 34.6 23.3 25.1 29.0 39.8 40.8 30.8 39.2 65.5 00
PENDLETON 18.5 18.0 17.4 17.3 17.2 18.7 15.1 17.9 20.7 21.5 21.2 24.3 24.0 26.7 19.8 26.7 13
SAN YSIDRO 23.1 21.0 26.3 25.3 23.9 27.1 48.2 57.8 33.2 28.5 36.8 31.5 32.1 31.1 31.8 57.8 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00