Current Date: 5/21/2026 2:09 PM
Daily Parameter Report
5/21/2026
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 .059 .063 C C .060 .059 .056 .057 .056 M M M .074 .068 .061 .074 12
CHULA VISTA .020 .018 C C .018 .013 .026 .032 .040 .049 .050 .047 .045 .043 .033 .050 10
DOWNTOWN SE .039 .039 C C .035 .032 .031 .030 .041 .045 .046 .043 .040 .040 .038 .046 10
EL CAJON LES .025 .023 .023 C C C .033 .034 .040 .050 .058 .058 .057 .050 .041 .058 10
KEARNY MESA .037 .035 C C .040 .040 .030 .034 .041 .050 .052 .051 .049 .047 .042 .052 10
OTAY MESA DVN .029 .029 C C .018 .012 .016 .021 .038 .048 .056 .057 .054 .049 .035 .057 11
PENDLETON .024 .025 C C .019 .030 .033 .038 .045 .048 .049 .051 .048 .043 .037 .051 11
03 NO2 PPB ALPINE 3.4 3.2 C C 2.8 4.6 5.7 6.1 4.8 M M M 5.7 4.6 4.5 6.1 07
CARMEL MT RCH 11.5 9.6 C C 2.9 3.8 10.4 14.1 18.1 12.3 14.7 11.9 11.6 11.9 11.0 18.1 08
CHULA VISTA 11.1 10.0 C C 10.9 11.9 7.6 6.6 5.7 2.9 1.7 1.4 1.3 1.4 6.0 11.9 05
DOWNTOWN SE 3.2 3.8 C C 5.7 7.1 8.0 8.6 5.5 4.0 3.2 3.1 3.2 3.1 4.8 8.6 07
EL CAJON LES 11.1 12.1 12.4 C C C 10.7 12.0 18.8 21.4 17.1 11.9 9.6 8.1 13.2 21.4 09
KEARNY MESA 2.5 6.8 C C 3.3 3.9 13.2 10.3 7.0 5.0 3.5 1.8 1.7 1.5 5.0 13.2 06
OTAY MESA DVN 8.9 7.1 C C 11.2 15.9 20.9 22.2 9.5 6.7 3.1 2.1 2.0 1.8 9.2 22.2 07
PENDLETON 7.1 5.3 C C 8.1 5.9 6.0 3.6 2.1 1.9 1.7 1.9 1.3 1.0 3.8 8.1 04
SAN YSIDRO 11.9 11.5 C C 6.2 8.6 11.0 14.7 11.2 4.0 3.0 2.9 2.5 3.3 7.5 14.7 07
06 CO PPM CARMEL MT RCH .3 .3 C C .2 .3 .5 .5 .5 .4 .4 .4 .4 .5 .4 .5 06
SAN YSIDRO .3 .4 C C .3 .3 .4 .5 .4 .2 .2 .2 .2 .2 .3 .5 07
07 H2S PPB IB CIVIC CTR 1.9 3.2 4.5 30.4 15.6 8.0 M 1.7 1.1 .7 .6 .6 .6 .6 5.3 30.4 03
NESTOR - BES 52.5 39.8 38.9 44.3 6.8 42.0 7.9 2.5 1.4 1.4 .9 1.2 1.2 .9 17.2 52.5 00
SAN YSIDRO 1.0 2.4 6.1 1.7 1.6 .8 2.2 3.3 2.4 .9 .8 .7 .5 .7 1.7 6.1 02
10 INTMP °C ALPINE 26 27 27 26 27 27 27 26 25 24 25 24 25 25 26 27 01
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 24 24 25 25 25 25 25 25 24 24 24 24 24 24 24 25 02
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 24 24 24 24 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 25 24 25 24 24 24 24 24 24 24 24 24 24 24 25 01
OTAY MESA DVN 24 24 24 25 25 25 25 25 24 24 24 24 24 24 24 25 03
PENDLETON 25 25 25 26 25 25 25 25 25 25 25 25 25 25 25 26 03
SAN YSIDRO 25 25 25 25 25 25 25 24 24 24 24 24 24 24 25 25 00
10 INTMP °C        IB CIVIC CTR 26 27 27 27 27 26 M 26 25 24 24 24 23 23 25 27 01
NESTOR - BES 26 26 27 26 26 26 26 25 25 25 25 25 24 25 26 27 02
11 PM2.5 µg/M3 ALPINE 8.2 8.9 8.9 8.5 7.8 7.2 7.8 9.3 10.8 15.5 17.2 21.7 20.3 16.9 12.0 21.7 11
CARMEL MT RCH 16.9 15.1 18.1 22.6 19.8 20.5 21.6 23.3 23.8 23.2 23.4 21.5 19.3 16.7 20.4 23.8 08
CHULA VISTA 17.4 16.2 18.9 21.2 22.8 21.5 22.6 29.4 30.5 23.7 20.9 18.3 16.5 14.5 21.0 30.5 08
DOWNTOWN SE 18.7 19.2 19.4 21.1 23.7 26.0 30.0 35.1 27.6 22.7 20.7 19.0 16.5 15.1 22.4 35.1 07
EL CAJON LES 15.8 15.6 16.9 17.2 15.8 12.8 14.8 19.3 23.6 29.3 27.0 20.9 18.9 16.6 18.8 29.3 09
KEARNY MESA 17.2 17.4 18.2 18.3 19.7 20.2 22.5 28.7 32.4 31.2 24.7 21.0 19.6 17.3 22.0 32.4 08
Current Date: 5/21/2026 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 25.7 22.6 18.9 20.6 26.4 31.8 34.6 36.6 28.7 30.9 22.7 20.6 18.4 15.4 25.2 36.6 07
PENDLETON 21.5 19.2 20.1 21.0 21.1 21.0 21.0 20.2 19.1 18.0 18.5 18.3 16.7 15.4 19.3 21.5 00
SAN YSIDRO 22.3 22.1 29.9 29.4 31.1 21.3 31.5 45.3 38.4 25.4 M M 19.1 18.7 27.8 45.3 07
12 VWDR ° ALPINE 42 16 326 95 70 62 225 254 284 280 285 291 296 290 0 326 02
CHULA VISTA 35 359 53 95 123 185 232 258 271 257 255 259 258 258 0 359 01
DOWNTOWN SE 190 206 213 207 126 168 206 213 211 202 192 205 218 207 0 218 12
EL CAJON LES 108 80 77 93 97 91 64 264 M M 241 235 249 220 0 264 07
KEARNY MESA 149 176 170 165 125 135 188 235 239 213 230 231 235 229 0 239 08
OTAY MESA DVN 78 46 359 21 101 117 181 263 288 286 294 283 292 291 0 359 02
PENDLETON 39 76 65 65 32 74 136 201 201 210 213 237 243 234 0 243 12
13 SIGTHETA ° ALPINE 36 37 27 61 28 35 43 32 25 32 32 30 27 27 34 61 03
CHULA VISTA 17 33 43 19 30 34 45 38 29 28 26 24 24 22 29 45 06
DOWNTOWN SE 18 18 21 24 28 33 22 33 33 27 21 26 25 22 25 33 05
EL CAJON LES 19 32 16 13 13 11 23 61 M M 27 26 27 23 24 61 07
KEARNY MESA 18 15 21 37 27 28 35 29 24 28 21 23 21 17 25 37 03
OTAY MESA DVN 30 18 9 11 14 12 53 40 25 14 16 17 15 16 21 53 06
PENDLETON 11 10 9 11 16 20 24 19 17 16 16 13 11 13 15 24 06
14 VWSP MPH ALPINE .9 .9 1.1 .9 .8 .5 1.1 2.3 4.4 4.3 5.1 5.7 6.2 6.5 .0 6.5 13
CHULA VISTA 1.3 .5 .8 1.9 1.1 1.1 1.4 2.6 4.6 5.5 6.7 7.4 7.0 7.7 .0 7.7 13
DOWNTOWN SE 3.9 4.1 3.9 2.5 2.5 3.1 4.1 3.8 3.8 5.6 6.8 7.2 7.4 7.9 .0 7.9 13
EL CAJON LES 1.5 1.2 2.0 3.2 3.8 3.4 2.3 .6 M M 5.3 6.2 6.5 7.5 .0 7.5 13
KEARNY MESA 3.7 3.5 3.7 2.7 3.0 3.4 3.5 4.5 5.4 6.2 7.7 8.3 8.5 9.6 .0 9.6 13
OTAY MESA DVN 2.6 2.0 4.9 4.1 2.1 2.7 .5 1.9 4.8 9.4 7.6 8.4 9.9 9.5 .0 9.9 12
PENDLETON 4.5 4.0 3.8 4.1 3.8 3.3 3.4 4.4 6.2 6.7 7.0 7.8 8.4 9.0 .0 9.0 13
15 SWSP MPH ALPINE 1.4 1.1 1.3 1.1 1.3 1.3 1.3 2.6 4.8 4.9 6.1 6.4 6.9 7.2 3.4 7.2 13
CHULA VISTA 1.4 .8 1.0 2.0 1.7 1.3 1.9 3.1 5.3 6.1 7.5 8.1 7.7 8.3 4.0 8.3 13
DOWNTOWN SE 4.2 4.4 4.2 3.1 3.0 3.7 4.4 4.5 4.7 6.2 7.3 8.0 8.1 8.5 5.3 8.5 13
EL CAJON LES 1.6 1.3 2.1 3.3 3.9 3.5 2.6 1.8 M M 6.2 7.1 7.3 8.3 4.1 8.3 13
KEARNY MESA 4.0 3.7 3.9 3.3 3.5 3.8 4.2 5.1 5.9 6.7 8.3 8.9 9.1 10.1 5.8 10.1 13
OTAY MESA DVN 2.8 2.9 4.9 4.3 2.7 2.9 1.6 2.6 5.4 9.7 8.0 8.8 10.2 9.9 5.5 10.2 12
PENDLETON 4.6 4.1 3.9 4.2 4.0 3.7 4.2 4.6 6.5 7.0 7.3 8.0 8.6 9.2 5.7 9.2 13
16 AMBTEMP °F ALPINE 64.3 64.4 63.5 60.9 62.5 64.2 66.9 68.6 69.9 71.3 74.1 76.1 76.6 77.0 68.6 77.0 13
CARMEL MT RCH 61.6 59.8 60.6 60.3 60.5 60.6 62.3 65.7 70.3 74.0 76.6 78.2 78.3 78.4 67.7 78.4 13
CHULA VISTA 62.8 61.8 61.7 61.3 61.3 61.1 63.0 64.5 66.0 67.3 68.0 68.6 68.9 68.9 64.7 68.9 12
DOWNTOWN SE 64.4 64.1 63.9 63.6 63.3 63.3 63.2 63.7 65.1 67.5 68.3 69.5 70.1 69.7 65.7 70.1 12
EL CAJON LES 61.7 60.8 61.8 62.1 59.9 58.8 62.6 67.0 72.2 74.8 76.3 77.5 78.3 77.9 68.0 78.3 12
KEARNY MESA 64.1 63.8 63.8 63.8 63.7 63.6 64.7 67.0 68.5 70.7 72.4 73.2 73.3 72.7 67.5 73.3 12
OTAY MESA DVN 62.1 60.2 59.7 59.2 58.5 58.8 62.6 66.5 70.1 70.3 72.1 73.7 72.9 73.1 65.7 73.7 11
PENDLETON 62.8 63.9 63.7 63.5 63.3 64.3 64.8 65.5 67.2 67.9 69.0 69.1 68.8 69.3 65.9 69.3 13
Current Date: 5/21/2026 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 63.0 62.9 63.3 63.4 63.1 62.4 64.8 66.2 68.6 70.5 71.6 72.3 72.1 71.7 66.9 72.3 11
17 RELHUM % ALPINE 34 36 37 39 35 30 29 31 36 45 40 41 41 41 37 45 09
EL CAJON LES 92 84 85 84 81 70 73 72 63 55 51 49 46 48 68 92 00
KEARNY MESA 92 91 89 88 87 86 84 78 73 67 64 61 60 61 77 92 00
18 PRES mmHg EL CAJON LES 746 746 746 746 746 746 747 747 747 747 747 746 746 746 746 747 06
KEARNY MESA 747 747 747 747 747 747 747 748 748 748 748 747 747 747 747 748 07
19 SOLAR W/M2 EL CAJON LES 0 -1 3 2 2 74 271 492 688 854 972 1028 1017 935 453 1028 11
KEARNY MESA 1 1 1 1 3 52 230 491 726 888 998 1044 1022 944 457 1044 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 4 13 25 36 45 52 55 55 50 24 55 11
25 NOY EL CAJON LES 4.06 4.64 4.38 3.38 3.34 4.21 C C M C C C 4.06 3.59 3.95 4.64 01
26 NOY-NO EL CAJON LES 4.04 4.64 4.37 3.35 3.32 3.98 C C M C C C 3.41 2.81 3.74 4.64 01
27 NO Trace EL CAJON LES .01 .00 .01 .02 .02 .22 C C M C C C .65 .78 .21 .78 13
28 SO2 Tr PPB EL CAJON LES .0 .0 .0 C C C .0 .0 .1 .2 .2 .1 .1 .1 .0 .2 09
29 CO Tr PPB EL CAJON LES 211.0 218.6 207.9 C C C 226.5 250.8 341.0 354.7 325.7 236.0 218.8 192.2 253.0 354.7 09
BCarbon ug/m3 10TH AVE MARIN < .32 .33 .38 .70 1.00 < 1.49 .81 .49 .45 .31 < < .63 1.49 07
ALPINE .25 .28 < < < .27 .26 .34 .44 .63 .84 1.19 .83 .44 .52 1.19 11
BOSTON AVE .55 .56 .70 .62 .83 1.18 1.56 2.01 1.10 .69 .55 .44 .33 .33 .82 2.01 07
CHICANO PARK .38 .40 .42 < .80 1.09 < < 1.10 .68 .51 .37 < .31 .61 1.10 08
DOWNTOWN SE .40 .43 < .49 .70 < 1.42 < 1.10 < < .41 .28 .26 .61 1.42 06
OCEANVIEW BLV .36 .37 .46 < .58 .85 1.35 1.81 1.08 < .61 .48 .35 .26 .71 1.81 07
OTAY MESA DVN 1.52 1.19 .57 .61 1.40 2.17 < 2.66 1.63 1.50 .72 .48 .38 .27 1.16 2.66 07
SAN YSIDRO .65 .76 1.52 < < .54 1.23 < 1.49 .51 .46 .41 .24 .21 .73 1.52 02
PM10 STD ALPINE 24.7 23.3 24.8 23.1 23.3 21.7 21.5 26.5 29.7 38.2 46.9 52.6 48.8 42.5 31.9 52.6 11
CARMEL MT RCH 33.1 26.2 32.5 42.8 37.0 38.3 40.6 44.7 47.4 51.4 51.8 48.7 45.9 39.5 41.4 51.8 10
CHULA VISTA 39.9 34.0 37.9 43.1 44.6 43.9 47.0 59.9 63.5 50.3 43.5 42.2 39.8 35.5 44.6 63.5 08
DOWNTOWN SE 38.1 43.6 41.5 47.8 50.2 51.1 60.4 66.5 57.9 46.6 43.6 41.7 43.4 38.8 47.9 66.5 07
EL CAJON LES 34.4 35.1 37.7 38.9 35.6 29.7 35.9 45.0 52.8 63.0 56.3 43.8 43.1 43.5 42.4 63.0 09
KEARNY MESA 35.7 35.4 37.7 36.4 40.2 43.2 48.7 58.4 66.5 62.2 54.6 49.7 47.1 42.5 47.0 66.5 08
OTAY MESA DVN 77.4 57.0 41.0 48.0 75.4 80.2 98.1 104.9 78.3 76.4 59.6 56.2 54.4 41.5 67.7 104.9 07
PENDLETON 40.2 35.5 37.9 37.9 36.7 39.0 42.8 42.9 39.0 36.7 35.7 37.4 34.3 33.6 37.8 42.9 07
SAN YSIDRO 49.2 45.9 58.2 57.6 60.5 46.2 61.2 92.7 87.2 58.3 M M 47.7 46.5 59.2 92.7 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00