Current Date: 3/31/2026 4:09 PM
Daily Parameter Report
3/31/2026
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 .021 .018 C C .017 .016 .016 .015 .015 .022 .025 .028 .035 .036 .034 .031 .023 .036 13
CHULA VISTA .023 .024 C C .025 .021 .019 .018 .018 .023 .029 .030 .031 .030 .032 .031 .025 .032 14
DOWNTOWN SE .021 .022 C C .024 .018 .026 .019 .018 .021 .022 .026 .026 .027 .029 .028 .023 .029 14
EL CAJON LES .016 .019 C C C .020 .017 .016 .019 .021 .025 .030 .032 .030 .030 .031 .023 .032 12
KEARNY MESA .024 .023 C C .023 .020 .016 .019 .019 .021 .028 .031 .032 .031 .031 .032 .025 .032 12
OTAY MESA DVN .019 .019 C C .016 .015 .014 .014 .014 .020 .029 .030 .030 .031 .030 .029 .022 .031 13
PENDLETON .026 .026 C C .024 .019 .018 .021 .020 .024 .026 .028 .029 .027 .023 .027 .024 .029 12
03 NO2 PPB ALPINE 5.6 3.1 C C 3.2 3.0 3.0 3.5 3.9 2.6 3.3 4.1 4.2 3.1 3.1 3.8 3.5 5.6 00
CARMEL MT RCH 5.6 6.3 C C 3.6 10.4 6.4 5.3 8.6 9.6 10.0 12.8 11.5 12.4 13.9 11.1 9.1 13.9 14
CHULA VISTA 3.1 3.3 C C 2.4 4.1 5.2 5.0 7.4 7.4 2.1 1.7 2.1 2.1 2.0 2.0 3.5 7.4 08
DOWNTOWN SE 5.7 4.7 C C 3.3 9.0 3.2 8.7 9.4 8.7 9.1 4.6 3.5 2.7 3.0 5.5 5.7 9.4 08
EL CAJON LES 3.1 3.1 C C C 3.0 4.6 3.7 2.4 3.7 5.5 2.8 1.7 1.9 2.2 2.3 3.0 5.5 10
KEARNY MESA 2.9 2.9 C C 4.7 4.6 5.4 4.6 5.5 7.2 2.3 2.5 1.8 1.7 1.6 1.9 3.5 7.2 09
OTAY MESA DVN 2.1 2.3 C C 3.9 3.9 3.3 5.1 12.3 12.3 4.6 5.6 5.6 4.4 3.3 3.6 5.1 12.3 08
PENDLETON 2.3 2.2 C C 3.1 5.9 6.3 5.0 6.9 3.3 2.7 1.2 1.2 2.6 6.8 1.5 3.6 6.9 08
SAN YSIDRO 5.3 4.8 C C 8.2 8.4 10.5 12.1 9.7 5.3 4.0 3.6 4.9 5.4 6.6 7.2 6.8 12.1 07
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .5 .3 .3 .3 .4 .4 .4 .4 .4 .6 .4 .4 .6 14
SAN YSIDRO .2 .2 C C .3 .3 .4 .4 .3 .2 .2 .2 .2 .3 .3 .3 .3 .4 06
07 H2S PPB IB CIVIC CTR 4.3 1.3 6.7 10.7 10.7 5.0 5.4 3.8 2.3 3.0 1.9 4.3 6.3 2.3 2.1 2.4 4.5 10.7 03
NESTOR - BES 16.6 7.3 13.6 30.1 52.2 24.9 28.6 33.9 16.9 4.1 1.6 2.1 3.2 3.6 6.5 8.1 15.8 52.2 04
SAN YSIDRO 32.9 29.0 4.0 4.7 59.7 5.8 3.8 1.4 1.0 .8 1.0 .7 1.0 1.2 1.1 1.6 9.3 59.7 04
10 INTMP °C ALPINE 26 26 27 27 25 27 26 27 26 25 25 25 25 25 25 25 26 27 02
CARMEL MT RCH 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 00
CHULA VISTA 24 24 24 24 24 24 24 24 24 24 24 24 23 24 24 24 24 24 00
DOWNTOWN SE 25 25 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 25 26 25 25 26 26 00
KEARNY MESA 25 24 24 25 25 24 25 25 25 25 24 25 25 24 25 25 25 25 00
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 27 26 26 26 26 26 27 27 00
PENDLETON 26 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 26 26 00
SAN YSIDRO 25 26 25 25 25 26 25 25 25 25 25 25 25 25 25 25 25 26 01
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 26 25 25 25 25 26 26 26 26 00
NESTOR - BES 25 26 26 25 25 26 25 25 25 25 25 25 25 25 25 25 25 26 01
11 PM2.5 µg/M3 ALPINE 6.4 8.0 8.9 9.5 9.6 9.0 9.7 9.3 7.7 8.8 9.5 10.6 12.4 10.7 9.8 9.5 9.3 12.4 12
CARMEL MT RCH 11.3 10.7 11.0 11.5 10.8 10.6 11.8 8.9 7.3 7.4 8.2 7.5 9.5 9.8 9.7 9.3 9.7 11.8 06
CHULA VISTA 7.0 7.4 6.5 6.4 6.7 7.5 9.0 8.7 8.1 8.4 8.1 8.5 8.6 9.4 9.0 9.0 8.0 9.4 13
DOWNTOWN SE 7.4 8.0 7.0 6.9 7.0 6.9 6.7 6.3 8.8 7.6 9.0 8.8 9.1 9.8 9.2 8.0 7.9 9.8 13
EL CAJON LES 8.8 8.9 9.1 10.3 9.8 8.2 9.8 10.1 7.5 10.0 10.3 7.7 8.0 8.0 8.6 8.8 8.9 10.3 03
KEARNY MESA 8.6 8.7 10.7 8.0 7.1 7.3 7.4 7.0 7.0 6.6 4.8 7.3 8.1 8.4 8.8 8.1 7.7 10.7 02
Current Date: 3/31/2026 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 8.8 9.4 9.5 10.7 12.3 12.9 13.8 15.0 23.6 22.7 7.9 10.1 10.7 10.3 10.7 8.5 12.3 23.6 08
PENDLETON 9.1 8.1 8.5 8.0 7.1 7.7 8.5 8.0 7.5 7.8 7.4 7.3 7.3 7.9 7.3 7.5 7.8 9.1 00
SAN YSIDRO 10.2 9.9 7.8 8.0 8.3 5.6 5.6 6.1 6.7 6.6 9.4 9.6 10.2 11.2 10.3 9.7 8.4 11.2 13
12 VWDR ° ALPINE 119 301 23 181 142 257 33 153 242 282 297 285 239 232 263 259 0 301 01
CHULA VISTA 265 239 210 198 206 353 43 92 193 242 230 223 222 210 212 221 0 353 05
DOWNTOWN SE 213 224 181 166 174 211 176 170 187 206 210 196 208 183 192 197 0 224 01
EL CAJON LES 207 271 17 98 194 342 82 140 170 244 266 227 229 233 243 244 0 342 05
KEARNY MESA 196 262 202 176 125 62 73 116 170 238 223 185 196 187 193 214 0 262 01
OTAY MESA DVN 306 347 331 352 242 337 329 212 166 205 253 243 198 195 188 195 0 352 03
PENDLETON 186 134 161 152 139 71 89 103 229 207 185 170 170 205 223 245 0 245 15
13 SIGTHETA ° ALPINE 43 37 57 29 61 39 58 38 36 31 26 49 31 28 30 30 39 61 04
CHULA VISTA 48 19 24 23 23 35 23 28 22 23 19 23 23 22 20 21 25 48 00
DOWNTOWN SE 19 18 19 17 12 21 15 17 16 21 20 18 19 15 17 19 18 21 05
EL CAJON LES 29 28 34 20 33 52 56 47 29 31 27 29 23 25 25 25 32 56 06
KEARNY MESA 22 12 20 13 20 9 12 18 30 14 16 20 14 16 12 15 16 30 08
OTAY MESA DVN 63 14 11 33 37 22 14 42 15 20 23 18 16 14 13 11 23 63 00
PENDLETON 22 50 12 12 14 25 18 17 39 22 15 14 13 21 15 14 20 50 01
14 VWSP MPH ALPINE 3.6 2.4 1.1 .9 .5 .5 .7 2.6 2.1 4.4 4.8 2.6 4.2 4.7 3.9 3.7 .0 4.8 10
CHULA VISTA 2.6 5.0 2.4 2.0 1.8 1.7 2.6 2.5 4.3 5.4 8.6 6.6 6.8 7.9 8.6 6.1 .0 8.6 10
DOWNTOWN SE 3.8 4.9 2.9 2.9 5.1 3.2 4.4 5.1 7.1 6.3 7.5 6.7 7.0 9.9 8.9 5.9 .0 9.9 13
EL CAJON LES 1.2 2.0 2.0 2.1 2.5 .7 1.1 2.5 3.0 4.0 5.7 5.0 6.2 6.3 6.2 6.3 .0 6.3 13
KEARNY MESA 3.6 4.9 2.5 4.7 2.9 4.6 4.3 5.6 4.5 8.2 8.3 7.2 10.5 10.3 11.3 9.5 .0 11.3 14
OTAY MESA DVN 1.1 4.2 4.4 1.6 .4 2.9 3.1 .9 7.4 5.9 7.3 7.1 8.5 10.5 11.3 9.5 .0 11.3 14
PENDLETON 3.0 1.1 4.3 4.2 3.3 2.2 4.2 5.3 2.6 4.3 5.4 6.0 7.2 4.4 4.9 3.7 .0 7.2 12
15 SWSP MPH ALPINE 4.4 3.1 1.7 1.9 1.5 2.3 2.0 3.3 2.8 5.1 5.5 3.5 4.8 5.5 4.5 4.6 3.5 5.5 10
CHULA VISTA 3.0 5.3 2.6 2.1 2.0 2.3 2.8 3.0 4.6 5.8 9.1 7.3 7.4 8.6 9.3 6.8 5.1 9.3 14
DOWNTOWN SE 4.3 5.3 3.1 3.1 5.3 3.5 4.5 5.4 7.3 6.8 8.0 7.1 7.5 10.2 9.3 6.3 6.1 10.2 13
EL CAJON LES 1.8 2.4 2.9 3.0 2.8 1.4 1.9 2.9 3.6 5.3 6.4 5.7 6.7 6.8 6.9 7.0 4.2 7.0 15
KEARNY MESA 4.5 5.0 3.1 4.9 3.2 4.7 4.5 6.0 5.9 8.6 8.8 7.9 10.9 10.7 11.6 9.9 6.9 11.6 14
OTAY MESA DVN 1.7 4.4 4.5 2.3 .9 3.6 3.2 2.2 7.7 7.0 7.9 8.2 8.8 10.9 11.6 9.7 5.9 11.6 14
PENDLETON 3.7 3.5 4.4 4.3 3.4 2.8 4.4 5.5 3.8 4.6 5.7 6.2 7.4 4.8 5.3 3.8 4.6 7.4 12
16 AMBTEMP °F ALPINE 62.8 57.5 57.3 56.8 57.1 57.3 57.7 60.4 63.4 65.3 64.1 64.8 66.9 65.2 63.8 63.2 61.5 66.9 12
CARMEL MT RCH 63.4 63.3 63.6 63.6 62.7 62.4 62.9 64.2 66.2 67.0 67.4 70.2 71.2 70.8 69.6 68.1 66.0 71.2 12
CHULA VISTA 66.2 65.7 65.6 65.9 66.0 66.0 65.7 66.3 67.6 69.0 69.6 69.6 70.2 70.6 69.6 68.4 67.6 70.6 13
DOWNTOWN SE 65.3 65.1 64.9 65.0 65.3 64.7 64.8 66.1 66.1 66.6 69.6 71.0 69.7 69.3 69.2 67.6 66.9 71.0 11
EL CAJON LES 62.9 64.5 65.1 64.3 63.8 63.8 64.0 65.4 67.3 70.1 70.8 71.1 71.0 70.2 70.3 68.9 67.1 71.1 11
KEARNY MESA 65.2 65.1 65.1 64.3 65.1 64.4 64.7 66.2 67.4 67.1 68.7 69.7 69.6 69.2 68.2 67.6 66.7 69.7 11
OTAY MESA DVN 62.3 62.9 63.4 62.5 62.6 63.2 63.7 64.8 66.8 70.0 71.6 70.5 70.3 70.9 69.2 67.6 66.4 71.6 10
PENDLETON 66.4 66.4 66.4 66.0 66.1 66.2 66.4 67.4 67.9 67.8 67.3 67.7 68.0 67.8 67.4 67.2 67.0 68.0 12
Current Date: 3/31/2026 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 66.4 66.4 66.5 66.9 66.8 66.6 66.4 67.2 68.7 70.8 71.3 71.2 71.8 71.2 69.7 69.1 68.6 71.8 12
17 RELHUM % ALPINE 67 98 100 100 99 98 96 87 78 78 83 80 74 78 81 82 86 100 02
EL CAJON LES 92 89 88 90 93 95 96 90 82 76 74 72 71 72 73 74 83 96 06
KEARNY MESA 91 93 94 96 91 95 95 90 87 88 82 77 75 76 79 78 87 96 03
18 PRES mmHg EL CAJON LES 748 748 748 748 748 748 748 748 749 749 749 749 749 748 748 748 748 749 08
KEARNY MESA 749 749 749 749 749 749 749 749 750 750 750 750 749 749 749 749 749 750 08
19 SOLAR W/M2 EL CAJON LES -2 3 2 2 1 2 30 111 238 384 382 449 335 387 212 166 169 449 11
KEARNY MESA 1 1 1 1 1 3 25 105 144 176 446 418 396 356 267 117 154 446 10
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 2 7 15 24 25 29 23 24 14 11 11 29 11
25 NOY EL CAJON LES 3.57 3.47 3.39 3.36 3.29 C C 5.46 3.82 6.03 7.95 4.32 2.79 2.68 2.92 2.87 3.99 7.95 10
26 NOY-NO EL CAJON LES 3.50 3.43 3.37 3.34 3.19 C C 4.75 3.08 4.37 5.77 3.27 2.21 2.07 2.41 2.36 3.36 5.77 10
27 NO Trace EL CAJON LES .07 .04 .01 .02 .10 C C .71 .74 1.65 2.17 1.05 .57 .60 .51 .50 .62 2.17 10
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 171.9 170.8 C C C 175.3 208.2 202.4 183.1 212.3 245.0 174.0 155.3 151.0 159.8 171.8 183.1 245.0 10
BCarbon ug/m3 10TH AVE MARIN .22 .22 .15 .52 < .17 .20 < .29 .18 .15 .17 .27 .22 .28 .73 .27 .73 15
ALPINE < .22 .21 .21 .21 < .22 .23 .23 < .45 .47 .50 .44 < < .31 .50 12
BOSTON AVE .55 .30 .12 .22 .23 .38 .39 .47 .56 .53 .21 .43 .48 .34 .32 .32 .37 .56 08
CHICANO PARK .36 .44 .13 .12 < .25 .15 < .27 .36 < < .19 .23 .21 < .25 .44 01
DOWNTOWN SE .31 .27 .14 .15 .15 < < .28 .42 .43 < .25 .20 < .17 < .25 .43 09
OCEANVIEW BLV < < < < < < < < < < < < < < < < < <
OTAY MESA DVN .17 .21 .26 .23 .43 .48 .52 .80 2.10 2.22 .52 .43 .53 .44 .37 .33 .63 2.22 09
SAN YSIDRO .39 .35 .18 < < .34 < .59 .67 .46 .29 .24 .28 .53 < .31 .39 .67 08
PM10 STD ALPINE 19.3 16.8 14.8 18.5 18.9 18.3 20.2 20.8 19.6 21.0 20.1 21.4 26.3 26.4 26.4 29.0 21.1 29.0 15
CARMEL MT RCH 23.6 23.1 25.3 26.2 25.1 24.3 28.8 20.8 15.1 16.2 22.6 18.2 22.3 23.9 25.7 22.9 22.7 28.8 06
CHULA VISTA 17.3 19.7 16.5 15.4 17.1 21.2 24.3 23.6 23.3 25.0 21.7 21.3 24.1 27.1 25.4 25.3 21.7 27.1 13
DOWNTOWN SE 19.0 18.3 16.2 17.5 17.8 16.5 18.1 21.8 36.7 21.4 24.6 21.1 22.2 28.7 23.7 18.9 21.4 36.7 08
EL CAJON LES 20.2 19.7 22.9 25.2 25.7 22.0 26.0 25.5 16.3 19.9 24.9 18.8 21.5 21.1 24.6 25.8 22.5 26.0 06
KEARNY MESA 21.6 22.3 27.6 21.4 17.8 19.5 20.1 17.0 17.1 17.9 12.7 18.0 19.7 22.5 22.3 19.7 19.8 27.6 02
OTAY MESA DVN 20.5 23.6 23.4 23.8 26.6 33.6 34.3 35.7 112.2 105.4 28.3 38.4 57.3 55.7 62.0 30.1 44.4 112.2 08
PENDLETON 21.9 18.3 23.4 20.5 17.8 21.1 20.7 22.5 19.7 19.0 19.8 19.5 21.7 19.7 20.6 24.0 20.6 24.0 15
SAN YSIDRO 28.0 25.7 19.6 20.0 23.2 16.7 15.6 18.0 20.4 21.7 28.2 32.4 34.9 34.7 29.6 27.2 24.7 34.9 12
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00