Current Date: 4/21/2026 4:09 PM
Daily Parameter Report
4/21/2026
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 .033 .034 C C .027 .032 .039 .043 .048 .051 .057 .059 .063 .062 .057 .043 .046 .063 12
CHULA VISTA .014 .022 C C .022 .015 .024 .045 .046 .049 .050 .050 .046 .045 .043 .043 .036 .050 10
DOWNTOWN SE .025 .030 C C .018 .020 .021 .036 .043 .046 .047 .048 .045 .043 .041 .040 .035 .048 11
EL CAJON LES .029 .025 .022 .022 .024 .025 .025 .039 .046 .049 .053 .055 .055 .055 .043 .042 .038 .055 11
KEARNY MESA .020 .017 C C .016 .016 .022 .047 .048 .050 .050 .053 .052 .046 .042 .043 .037 .053 11
OTAY MESA DVN .032 .032 C C .033 .024 .035 .042 .041 .044 .052 .054 .051 .050 .043 .042 .041 .054 11
PENDLETON .027 .025 C C .017 .020 .021 .029 .043 .045 .045 .045 .044 .044 .047 .043 .035 .047 14
03 NO2 PPB ALPINE 3.9 3.7 C C 5.4 5.4 3.4 3.0 2.7 2.2 1.8 2.0 2.2 2.1 2.1 1.9 2.9 5.4 04
CARMEL MT RCH 12.8 10.9 C C 9.4 12.9 11.3 5.4 4.8 10.5 13.5 8.5 7.9 8.3 6.0 7.1 9.2 13.5 10
CHULA VISTA 16.5 11.2 C C 9.6 15.5 12.8 2.2 2.2 2.1 1.8 1.8 1.8 1.4 1.7 1.7 5.8 16.5 00
DOWNTOWN SE 9.8 7.2 C C 15.4 15.1 16.7 7.7 4.8 2.7 2.6 2.4 2.5 2.6 2.9 2.8 6.8 16.7 06
EL CAJON LES 3.9 2.8 3.9 2.1 2.0 2.4 2.7 1.4 1.0 1.2 1.2 2.0 1.7 1.8 1.5 1.1 2.0 3.9 00
KEARNY MESA 7.2 8.2 C C 10.0 9.9 9.2 1.9 2.1 3.3 3.6 1.6 1.1 1.0 1.1 1.3 4.3 10.0 04
OTAY MESA DVN 4.2 4.5 C C 3.5 7.4 4.5 5.5 12.1 17.9 7.9 2.4 2.1 1.7 1.4 1.3 5.4 17.9 09
PENDLETON 5.9 4.7 C C 4.3 6.1 7.1 5.5 1.3 1.3 1.1 .7 1.3 .7 .7 .6 2.9 7.1 06
SAN YSIDRO 25.8 25.3 C C 16.2 12.5 15.9 7.5 5.3 3.9 2.6 2.6 2.4 2.2 3.3 2.9 9.1 25.8 00
06 CO PPM CARMEL MT RCH .3 .2 C C .3 .4 .4 .2 .2 .3 .3 .3 .3 .4 .3 .3 .3 .4 05
SAN YSIDRO .4 .5 C C .5 .4 .5 .3 .3 .2 .2 .2 .2 .2 .2 .2 .3 .5 01
07 H2S PPB IB CIVIC CTR 30.4 26.3 6.3 1.9 9.2 7.0 4.4 .8 M M M M .9 .5 .5 .4 7.3 30.4 00
NESTOR - BES 106.0 123.6 17.4 33.4 15.9 4.5 4.0 1.0 1.8 2.2 .7 .8 .6 .5 .6 .4 19.5 123.6 01
SAN YSIDRO 1.1 2.9 3.5 1.6 .8 .6 .9 .5 < 1.6 .9 .6 .4 .5 .5 .6 1.1 3.5 02
10 INTMP °C ALPINE 26 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 26 26 00
CARMEL MT RCH 25 25 25 25 25 25 24 24 25 25 25 24 24 24 24 24 25 25 00
CHULA VISTA 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 25 00
DOWNTOWN SE 24 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 25 25 01
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 25 24 25 24 25 24 25 24 24 25 08
OTAY MESA DVN 28 28 28 28 28 27 27 27 28 28 28 27 27 27 27 27 28 28 00
PENDLETON 26 26 26 26 26 25 25 25 26 25 25 25 25 25 25 25 25 26 00
SAN YSIDRO 24 24 24 24 24 23 23 23 24 24 24 24 24 24 24 24 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 24 24 24 24 24 24 24 25 26 27 00
NESTOR - BES 26 26 26 26 26 26 26 25 25 25 24 24 24 24 24 25 25 26 00
11 PM2.5 µg/M3 ALPINE 7.1 7.4 6.6 7.0 6.5 6.3 8.2 8.9 7.6 5.9 5.0 6.2 5.2 3.9 3.6 3.1 6.1 8.9 07
CARMEL MT RCH 4.8 4.8 4.9 5.3 5.9 6.2 5.9 5.8 6.5 6.3 6.2 5.4 5.3 3.6 3.7 3.6 5.2 6.5 08
CHULA VISTA 5.2 5.7 5.8 5.5 5.7 7.1 8.1 5.6 5.6 5.5 5.1 5.1 4.0 4.1 4.1 4.2 5.4 8.1 06
DOWNTOWN SE 6.2 7.0 6.6 6.2 6.6 6.5 7.3 6.3 5.6 5.1 4.9 5.3 4.1 3.9 3.9 3.6 5.5 7.3 06
EL CAJON LES 7.9 6.3 6.4 6.4 6.6 7.0 7.3 7.4 7.6 7.5 6.8 5.5 4.7 4.3 3.3 3.1 6.1 7.9 00
KEARNY MESA 5.8 5.8 5.7 5.1 4.6 5.7 5.8 5.1 5.8 6.5 6.8 5.5 4.7 3.7 3.7 3.4 5.2 6.8 10
Current Date: 4/21/2026 4:09 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 8.7 9.4 13.4 13.9 14.4 16.3 12.4 12.4 18.7 25.1 10.8 6.2 4.4 3.6 3.6 3.3 11.0 25.1 09
PENDLETON 4.4 4.3 4.7 5.1 4.7 4.8 5.0 5.3 4.3 4.2 3.6 3.4 3.0 3.1 3.2 3.3 4.1 5.3 07
SAN YSIDRO 5.4 6.1 6.2 6.8 7.3 7.3 8.6 6.7 6.7 7.3 5.5 5.0 3.9 3.9 3.9 3.9 5.9 8.6 06
12 VWDR ° ALPINE 353 27 59 64 113 315 271 211 222 249 255 261 249 245 262 283 0 353 00
CHULA VISTA 70 60 43 57 75 97 87 92 226 236 256 258 257 256 261 258 0 261 14
DOWNTOWN SE 335 355 6 19 45 44 103 140 193 200 216 229 230 230 250 247 0 355 01
EL CAJON LES 293 15 209 99 82 84 108 136 150 222 265 259 243 233 252 253 0 293 00
KEARNY MESA 354 36 37 65 72 62 100 142 167 233 220 234 245 263 278 267 0 354 00
OTAY MESA DVN 91 49 14 24 39 236 347 279 186 202 267 275 M 261 286 279 0 347 06
PENDLETON 44 55 59 53 40 52 66 92 179 192 227 240 242 243 243 245 0 245 15
13 SIGTHETA ° ALPINE 57 39 32 38 28 46 67 45 54 50 47 38 34 28 32 27 41 67 06
CHULA VISTA 53 23 26 33 43 39 25 64 60 49 26 25 22 22 21 27 35 64 07
DOWNTOWN SE 10 15 50 51 43 30 23 50 27 25 23 19 20 20 27 30 29 51 03
EL CAJON LES 16 32 33 17 14 26 25 27 66 72 52 27 25 31 25 25 32 72 09
KEARNY MESA 17 13 15 16 12 7 19 38 49 43 32 19 19 19 15 18 22 49 08
OTAY MESA DVN 6 22 14 11 24 46 22 58 55 50 36 20 M 18 16 15 28 58 07
PENDLETON 10 8 9 9 8 9 10 21 15 16 13 11 10 11 11 9 11 21 07
14 VWSP MPH ALPINE 1.3 1.0 .8 1.0 1.0 1.4 .8 1.6 2.1 2.8 3.7 5.0 6.4 7.4 7.1 6.6 .0 7.4 13
CHULA VISTA .3 1.3 1.3 1.4 2.1 1.1 2.1 1.1 1.9 3.9 6.4 7.5 8.3 8.5 8.1 6.8 .0 8.5 13
DOWNTOWN SE 2.4 2.0 .8 .5 1.9 1.8 2.1 2.1 4.5 6.0 7.3 8.0 7.9 8.1 6.9 6.3 .0 8.1 13
EL CAJON LES 1.3 .5 .3 2.3 3.3 1.2 2.2 3.3 1.2 .8 3.5 6.6 7.2 7.3 8.1 7.4 .0 8.1 14
KEARNY MESA 1.9 3.0 2.2 1.7 2.4 2.9 2.4 2.7 2.9 4.8 7.2 9.4 10.5 10.6 11.3 9.2 .0 11.3 14
OTAY MESA DVN 3.2 1.8 3.1 4.1 2.7 .5 2.4 1.2 2.2 3.3 6.9 9.8 M 11.0 11.2 11.0 .0 11.2 14
PENDLETON 4.2 4.5 5.2 5.5 6.7 5.4 5.5 4.6 6.8 7.7 8.7 9.0 8.8 9.7 7.3 7.9 .0 9.7 13
15 SWSP MPH ALPINE 1.9 1.4 1.2 1.3 1.9 1.7 1.8 2.7 3.0 3.9 5.0 6.0 7.3 8.4 8.3 7.4 4.0 8.4 13
CHULA VISTA .6 1.4 1.5 1.6 2.3 1.2 2.3 2.7 2.9 5.1 7.1 8.2 8.9 9.1 8.8 7.5 4.5 9.1 13
DOWNTOWN SE 2.5 2.1 1.0 1.1 2.2 2.0 2.4 3.1 5.2 6.5 7.9 8.4 8.4 8.7 7.7 7.3 4.8 8.7 13
EL CAJON LES 1.8 1.6 .9 2.4 3.4 1.5 2.5 3.7 2.9 3.4 5.1 7.3 8.3 8.5 9.0 8.1 4.4 9.0 14
KEARNY MESA 2.3 3.1 2.3 1.8 2.5 2.9 2.7 4.0 4.0 5.9 8.2 10.0 11.0 11.7 11.7 9.6 5.9 11.7 13
OTAY MESA DVN 3.3 2.1 3.2 4.2 3.1 2.0 2.6 2.8 3.7 4.3 7.9 10.6 M 11.6 11.7 11.4 5.6 11.7 14
PENDLETON 4.3 4.6 5.3 5.6 6.8 5.5 5.6 5.3 7.0 8.1 9.0 9.2 8.9 9.9 7.4 8.0 6.9 9.9 13
16 AMBTEMP °F ALPINE 52.0 51.7 51.2 50.2 49.4 48.7 51.3 53.9 56.8 61.8 65.8 67.4 68.2 67.6 66.6 62.7 57.8 68.2 12
CARMEL MT RCH 56.7 55.8 55.7 55.8 55.8 58.3 59.8 61.8 64.2 66.8 70.4 69.3 69.5 70.5 68.3 68.4 62.9 70.5 13
CHULA VISTA 58.9 58.5 57.8 57.9 57.3 57.0 60.8 63.8 65.2 67.3 67.5 67.7 68.0 68.4 68.4 68.1 63.3 68.4 13
DOWNTOWN SE 59.4 59.0 58.3 58.2 58.0 59.0 61.3 63.8 66.1 67.3 68.5 68.8 69.2 69.9 69.2 69.0 64.1 69.9 13
EL CAJON LES 58.8 56.8 56.3 56.6 57.4 58.1 59.0 61.9 65.1 68.6 72.2 73.5 72.9 73.2 71.4 70.7 64.5 73.5 11
KEARNY MESA 54.8 54.3 54.0 53.0 55.1 57.2 60.0 63.8 65.3 67.9 69.3 69.2 69.6 70.4 69.1 68.9 62.6 70.4 13
OTAY MESA DVN 57.1 57.1 56.2 56.2 57.4 57.2 58.7 62.0 64.6 67.7 70.5 70.4 71.0 70.7 69.0 67.7 63.3 71.0 12
PENDLETON 59.0 58.2 57.4 55.8 54.5 56.2 58.6 63.0 65.2 66.3 66.5 66.9 66.7 66.7 67.9 67.6 62.3 67.9 14
Current Date: 4/21/2026 4:09 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 58.9 58.1 57.4 56.6 57.0 58.8 60.9 63.2 M 69.1 69.4 69.9 70.4 70.4 69.9 69.6 64.0 70.4 12
17 RELHUM % ALPINE 94 96 96 97 94 89 91 83 72 51 33 37 37 37 43 61 69 97 03
EL CAJON LES 85 89 91 86 83 82 81 71 60 50 40 39 39 37 45 51 64 91 02
KEARNY MESA 91 91 91 93 93 90 83 66 62 54 54 53 49 46 53 56 70 93 03
18 PRES mmHg EL CAJON LES 750 750 750 750 750 750 750 751 751 751 751 750 750 750 750 750 750 751 07
KEARNY MESA 751 750 750 750 750 751 751 751 752 752 752 751 751 752 751 751 751 752 08
19 SOLAR W/M2 EL CAJON LES -2 -1 1 2 3 26 109 394 650 831 941 985 928 889 451 475 418 985 11
KEARNY MESA 1 1 1 1 2 21 173 492 686 848 951 973 946 833 656 453 440 973 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 8 21 35 46 52 55 52 49 27 26 23 55 11
25 NOY EL CAJON LES 4.31 C C 2.46 2.41 2.72 C C 1.96 2.34 2.61 C C 2.95 2.51 1.73 2.60 4.31 00
26 NOY-NO EL CAJON LES 4.23 C C 2.44 2.39 2.64 C C 1.69 1.98 2.29 C C 2.31 1.93 1.35 2.32 4.23 00
27 NO Trace EL CAJON LES .07 C C .01 .02 .07 C C .27 .35 .32 C C .63 .57 .37 .26 .63 13
28 SO2 Tr PPB EL CAJON LES .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .1 .0 .0 .0 .0 .1 12
29 CO Tr PPB EL CAJON LES 215.3 184.7 195.3 176.8 173.7 181.6 197.0 173.3 159.5 171.4 167.2 168.5 167.4 153.7 146.1 151.0 173.9 215.3 00
BCarbon ug/m3 10TH AVE MARIN .12 < .24 .30 .44 .30 .58 .34 .22 .16 .13 .20 .08 .08 .10 < .24 .58 06
ALPINE < .15 .13 .16 .21 < .19 < < .19 .27 .31 .17 .12 .10 .08 .17 .31 11
BOSTON AVE .34 .26 .46 .53 .63 .82 .73 .16 .37 < .11 .15 .16 .19 .13 .13 .34 .82 05
CHICANO PARK .21 .20 < < < .55 < .32 .20 .18 .15 .17 .12 < < < .23 .55 05
DOWNTOWN SE .20 .21 .19 .20 .28 .34 < .25 .20 .11 < < .09 .11 .11 < .19 .34 05
OCEANVIEW BLV .32 .19 .26 .26 .37 .54 < < .22 < .17 .15 < < < .15 .26 .54 05
OTAY MESA DVN .44 .73 .89 1.38 1.53 2.16 1.12 < 1.47 1.83 .54 .21 .11 .08 .04 .04 .84 2.16 05
SAN YSIDRO .34 < < .52 .28 .30 .41 .23 .20 .23 .12 .10 .07 .06 .15 .07 .22 .52 03
PM10 STD ALPINE 20.1 20.2 18.9 20.3 20.0 18.0 23.2 22.7 20.7 18.8 14.5 20.7 17.2 13.6 12.5 10.2 18.2 23.2 06
CARMEL MT RCH 13.0 13.9 12.8 14.7 18.7 19.1 17.5 17.9 21.0 19.3 18.5 18.9 17.1 13.1 11.3 11.0 16.1 21.0 08
CHULA VISTA 16.1 17.7 18.0 16.9 18.1 22.4 28.7 19.1 17.1 17.5 16.1 16.3 12.2 12.3 11.7 11.1 16.9 28.7 06
DOWNTOWN SE 19.5 21.0 19.3 19.3 18.7 20.1 24.2 22.9 17.3 21.0 19.1 27.2 17.7 16.1 12.9 10.9 19.2 27.2 11
EL CAJON LES 21.2 18.0 17.4 17.7 18.9 21.4 24.1 23.0 21.5 22.1 20.8 17.0 16.0 14.1 11.3 11.1 18.4 24.1 06
KEARNY MESA 18.9 16.6 14.4 15.0 13.9 17.8 19.9 15.8 18.9 19.7 20.6 17.9 15.2 11.4 11.3 9.8 16.0 20.6 10
OTAY MESA DVN 46.9 31.9 58.0 39.5 43.3 51.6 37.5 34.6 56.4 90.4 48.1 27.1 21.4 16.1 16.8 11.5 39.4 90.4 09
PENDLETON 13.6 11.3 11.3 11.9 13.9 13.5 14.5 16.0 13.6 13.6 9.7 8.9 7.0 8.1 8.4 9.3 11.5 16.0 07
SAN YSIDRO 20.0 22.2 22.3 25.5 25.4 24.1 28.9 21.8 22.2 24.1 19.7 20.7 13.9 14.1 13.0 11.9 20.6 28.9 06
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00