Current Date: 6/28/2026 10:09 PM
Daily Parameter Report
6/28/2026
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 .024 C C .027 .027 .028 .029 .031 .033 .036 .040 .042 .042 .042 .042 .042 .042 .040 .038 .036 .034 .032 .035 .042 11
CHULA VISTA .026 C C .026 .027 .028 .032 .034 .036 .037 .037 .037 .037 .036 .035 .037 .037 .035 .035 .035 .034 .035 .033 .037 09
DOWNTOWN SE .025 C C .026 .027 .028 .031 .033 .035 .035 .035 .035 .035 .034 .034 .036 .032 .031 .032 .033 .034 .033 .032 .036 15
EL CAJON LES .023 C C C .024 .021 .023 .027 .032 .036 .039 .039 .039 .039 .038 .037 .037 .037 .034 .032 .031 .032 .032 .039 10
KEARNY MESA .024 C C .026 .026 .029 .032 .034 .036 .038 .038 .038 .038 .038 .036 .038 .038 .036 .034 .034 .034 .033 .034 .038 09
OTAY MESA DVN .025 C C .024 .024 .024 .027 .031 .034 .038 .041 .040 .040 .040 .038 .036 .037 .037 .035 .033 .033 .033 .033 .041 10
PENDLETON .026 C C .030 .032 .034 .035 .035 .036 .035 .036 .036 .034 .034 .035 .035 .034 .034 .033 .033 .032 .032 .033 .036 08
03 NO2 PPB ALPINE 1.8 C C 1.3 1.5 1.4 1.3 1.2 1.5 1.5 1.4 1.4 1.4 1.3 1.3 1.2 1.2 1.2 1.7 2.1 2.0 2.3 1.5 2.3 21
CARMEL MT RCH 3.3 C C 2.7 3.8 5.6 4.7 4.5 5.3 5.5 4.3 5.4 4.0 3.9 4.4 5.4 4.9 5.6 6.2 5.5 6.1 5.5 4.8 6.2 18
CHULA VISTA 1.3 C C 1.2 1.7 1.5 1.5 1.3 1.0 1.0 .9 1.0 1.0 .9 .9 .9 1.1 .9 1.0 .9 1.3 1.1 1.1 1.7 04
DOWNTOWN SE 1.5 C C 1.8 2.1 2.3 1.9 1.9 1.7 1.7 1.5 1.7 1.5 1.5 1.5 1.7 3.9 2.6 1.9 2.2 2.1 2.1 1.9 3.9 16
EL CAJON LES 1.9 C C C 1.9 2.2 2.6 2.5 1.9 1.7 1.7 1.7 1.8 1.8 1.8 1.9 2.1 2.4 2.6 3.0 3.5 2.8 2.2 3.5 20
KEARNY MESA .9 C C .7 1.6 1.0 .7 .8 .7 .7 .7 .6 .6 .5 .5 .5 .7 .9 1.1 2.1 2.2 2.1 .9 2.2 20
OTAY MESA DVN 1.6 C C 1.4 1.5 1.6 1.3 1.4 1.4 1.7 2.3 1.5 1.4 1.4 1.1 1.1 1.4 2.0 1.5 1.4 1.7 2.3 1.5 2.3 10
PENDLETON 1.0 C C .7 1.1 1.1 1.0 .8 1.2 .9 1.0 1.0 .9 .9 .9 .9 .8 .8 .9 1.1 1.1 1.5 .9 1.5 21
SAN YSIDRO 1.8 C C 2.6 3.5 2.8 2.2 2.3 1.3 1.5 1.8 1.5 1.3 1.6 1.4 1.8 1.8 2.3 2.4 3.5 3.8 3.4 2.2 3.8 20
06 CO PPM CARMEL MT RCH .2 C C .2 .2 .2 .3 .3 .3 .3 .3 .3 .3 .3 .3 .3 .3 .4 .3 .3 .3 .2 .3 .4 17
SAN YSIDRO .1 C C .1 .1 .2 .2 .2 .1 .1 .1 .1 .1 .1 .1 .2 .1 .2 .1 .1 .1 .2 .1 .2 05
07 H2S PPB IB CIVIC CTR .8 .7 .7 .8 .9 .9 .7 .7 .7 .7 .7 .7 .7 .6 .7 .7 .7 .4 .5 .7 .7 .7 .7 .9 04
NESTOR - BES 1.0 .7 .7 .7 4.1 4.0 .7 .7 .9 .8 .7 .6 .7 .7 .7 .7 .7 .7 .7 .8 1.4 1.0 1.0 4.1 04
SAN YSIDRO 8.3 .6 6.1 13.6 10.7 7.3 4.1 .9 .7 .7 .5 .6 .6 .6 .6 .6 .5 .7 .7 .8 5.2 1.2 3.0 13.6 03
10 INTMP °C ALPINE 26 26 26 26 27 27 27 26 25 25 25 25 25 25 25 25 25 25 26 25 26 27 26 27 04
CARMEL MT RCH 25 25 25 25 25 25 24 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 23 23 23 24 24 24 24 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 26 26 26 00
KEARNY MESA 25 25 25 25 24 25 25 24 25 24 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
OTAY MESA DVN 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
PENDLETON 25 25 25 25 25 25 25 25 25 25 24 25 25 25 25 25 25 25 25 25 25 25 25 25 00
SAN YSIDRO 25 25 25 25 26 25 25 24 24 24 24 24 24 24 24 24 24 24 25 24 25 24 24 26 04
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 25 24 24 24 24 24 24 25 25 26 26 26 26 26 25 26 00
NESTOR - BES 26 26 25 26 26 26 25 25 25 25 25 24 24 25 25 25 25 25 26 26 26 26 25 26 00
11 PM2.5 µg/M3 ALPINE 3.2 2.7 2.5 3.2 3.2 3.0 2.9 2.6 3.0 3.2 3.5 4.3 4.6 4.8 5.4 5.6 5.4 5.7 6.5 6.5 6.7 6.6 4.3 6.7 20
CARMEL MT RCH 3.3 3.8 4.2 4.1 4.4 4.6 4.2 4.5 4.6 5.1 5.2 5.4 5.9 6.5 6.9 7.2 7.5 7.6 6.6 6.2 6.0 6.1 5.4 7.6 17
CHULA VISTA 3.2 3.2 3.7 3.3 3.9 3.8 3.9 4.0 4.4 4.9 4.8 4.9 5.6 6.2 6.9 7.1 7.3 7.1 6.9 6.7 6.8 6.2 5.2 7.3 16
DOWNTOWN SE 3.6 4.1 3.6 3.6 3.9 3.9 4.2 4.5 5.1 4.8 4.9 4.9 5.7 6.1 6.7 7.4 7.6 7.3 7.4 6.6 6.4 6.4 5.3 7.6 16
EL CAJON LES 2.9 2.9 3.2 3.5 3.3 3.3 3.5 3.5 3.5 3.9 4.5 4.9 5.0 5.4 5.8 5.9 6.4 6.9 6.4 6.5 6.7 6.7 4.7 6.9 17
KEARNY MESA 3.6 4.1 4.3 4.1 4.4 4.1 4.7 4.4 5.1 5.3 5.6 5.9 6.8 7.0 7.5 7.9 8.0 7.6 7.4 6.9 6.6 6.6 5.8 8.0 16
Current Date: 6/28/2026 10:09 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 2.5 3.1 2.9 2.9 3.3 3.5 3.8 3.8 3.9 4.8 5.8 5.6 5.6 6.2 6.4 6.7 6.8 6.9 6.5 6.4 6.4 6.6 5.0 6.9 17
PENDLETON 5.1 5.7 5.8 5.5 5.7 5.8 5.3 5.0 4.9 4.8 5.0 5.1 6.0 6.4 6.4 6.4 6.1 5.9 5.6 6.3 6.4 6.5 5.7 6.5 21
SAN YSIDRO 3.6 3.2 3.7 4.0 4.4 4.8 4.8 4.6 5.9 5.8 6.2 6.1 6.6 7.3 7.7 8.0 8.4 7.9 7.6 7.5 8.5 7.4 6.0 8.5 20
12 VWDR ° ALPINE 212 214 193 217 171 193 241 186 235 243 253 260 243 227 236 249 234 234 233 227 243 247 0 260 11
CHULA VISTA 265 282 287 273 276 247 266 271 254 251 256 254 257 255 257 260 252 260 263 232 235 188 0 287 02
DOWNTOWN SE 237 244 273 273 256 237 264 243 255 221 228 227 224 220 228 230 203 221 197 181 182 169 0 273 02
EL CAJON LES 206 226 223 238 181 167 228 267 216 216 217 228 213 221 237 207 210 231 222 208 193 163 0 267 07
KEARNY MESA 248 254 248 232 249 251 261 244 231 237 237 243 240 245 235 228 237 241 245 269 273 207 0 273 20
OTAY MESA DVN 260 290 333 329 315 272 272 278 272 257 238 265 248 251 275 274 264 252 274 275 283 327 0 333 02
PENDLETON 177 220 251 245 242 229 224 226 221 226 221 215 213 205 213 208 206 220 200 184 175 153 0 251 02
13 SIGTHETA ° ALPINE 22 20 22 22 17 22 39 45 42 48 39 35 37 36 32 32 31 27 25 19 22 24 30 48 09
CHULA VISTA 20 21 24 19 18 18 23 21 25 23 24 22 25 28 25 25 25 25 22 22 25 27 23 28 13
DOWNTOWN SE 22 23 25 22 20 23 28 22 26 25 18 22 26 23 24 22 21 23 24 20 22 28 23 28 06
EL CAJON LES 15 21 18 21 15 14 34 23 33 35 26 25 24 21 26 23 22 19 22 16 18 20 22 35 09
KEARNY MESA 13 10 11 11 10 13 14 24 20 31 23 21 18 22 27 27 23 18 20 16 23 29 19 31 09
OTAY MESA DVN 13 18 14 13 23 15 13 22 21 36 41 21 20 23 19 17 18 14 11 9 17 17 19 41 10
PENDLETON 13 39 8 10 10 10 11 11 14 15 17 14 13 15 15 18 22 18 15 15 14 12 15 39 01
14 VWSP MPH ALPINE 3.5 2.8 2.2 2.7 3.1 3.1 1.9 2.4 4.1 3.8 4.7 5.8 5.4 6.0 5.8 5.5 5.2 5.2 4.1 3.0 1.9 1.5 .0 6.0 13
CHULA VISTA 4.3 4.0 2.6 3.0 3.1 3.1 4.2 5.4 5.3 6.8 8.1 8.4 8.4 7.4 7.3 6.7 6.3 6.0 4.3 3.1 2.9 2.8 .0 8.4 11
DOWNTOWN SE 4.2 4.3 3.3 3.5 3.2 3.9 4.1 6.1 5.6 7.5 9.5 8.3 7.6 8.0 7.9 7.4 7.2 5.9 4.6 4.2 3.8 2.4 .0 9.5 10
EL CAJON LES 5.3 4.2 4.0 3.4 3.4 3.8 2.5 4.5 3.8 5.4 7.7 7.3 8.6 8.0 7.4 7.6 7.4 6.8 5.2 5.3 3.2 3.6 .0 8.6 12
KEARNY MESA 5.7 5.7 6.7 5.5 4.6 6.2 6.4 5.6 7.8 6.9 9.5 10.6 11.6 10.2 8.5 7.7 7.4 8.0 5.2 4.6 2.9 2.9 .0 11.6 12
OTAY MESA DVN 3.9 4.6 3.7 3.3 1.9 3.9 6.1 6.1 6.2 5.4 6.1 10.1 10.1 9.0 9.9 9.5 8.2 9.1 7.3 4.9 3.4 3.2 .0 10.1 11
PENDLETON 4.8 4.9 10.4 8.7 8.4 8.0 8.3 8.2 6.9 7.7 8.0 8.5 10.1 9.7 8.6 6.6 5.9 4.9 5.3 5.0 4.9 4.9 .0 10.4 02
15 SWSP MPH ALPINE 3.8 3.1 2.5 3.0 3.2 3.3 2.2 3.2 5.0 5.1 5.8 6.8 6.8 7.2 6.8 6.4 6.0 5.8 4.5 3.2 2.0 1.7 4.4 7.2 13
CHULA VISTA 4.7 4.2 2.8 3.2 3.3 3.3 4.6 5.7 5.8 7.3 8.8 9.1 9.2 8.3 8.0 7.4 6.9 6.5 4.6 3.4 3.4 3.1 5.6 9.2 12
DOWNTOWN SE 4.5 4.6 3.6 4.0 3.8 4.2 4.6 6.6 6.5 8.1 10.0 9.0 8.4 8.6 8.5 8.0 7.7 6.4 5.0 4.5 4.1 2.9 6.1 10.0 10
EL CAJON LES 5.5 4.5 4.2 3.6 3.6 3.9 3.2 5.1 4.9 6.3 8.6 8.5 9.4 8.7 8.3 8.1 7.9 7.4 5.7 5.5 3.7 3.8 5.9 9.4 12
KEARNY MESA 6.0 5.8 6.8 5.6 4.7 6.3 6.6 6.1 8.3 7.8 10.4 11.3 12.1 10.9 9.4 8.4 8.0 8.5 5.6 5.2 3.8 4.0 7.3 12.1 12
OTAY MESA DVN 4.1 4.9 3.8 3.5 2.8 4.0 6.3 6.5 7.1 7.3 7.9 10.8 10.7 9.8 10.6 9.9 8.7 9.4 7.4 5.0 3.6 3.6 6.7 10.8 11
PENDLETON 5.1 6.8 10.5 8.8 8.6 8.2 8.5 8.3 7.1 8.0 8.4 8.8 10.3 10.0 8.9 7.1 6.5 5.1 5.6 5.1 5.2 5.1 7.5 10.5 02
16 AMBTEMP °F ALPINE 57.4 56.8 56.5 56.2 55.6 55.6 56.7 59.6 62.1 64.1 66.9 68.2 69.2 68.9 68.4 67.7 66.7 64.3 60.0 56.4 54.7 54.1 61.2 69.2 12
CARMEL MT RCH 62.6 61.9 61.7 61.6 61.5 61.5 62.2 64.1 65.9 68.4 70.0 71.4 70.9 71.2 71.3 71.2 70.0 67.7 63.9 62.3 62.1 62.3 65.7 71.4 11
CHULA VISTA 64.4 64.3 64.4 64.4 63.9 63.8 64.7 65.4 65.9 66.8 67.3 68.0 67.8 67.8 67.7 67.1 66.4 65.5 64.2 63.5 64.0 64.0 65.5 68.0 11
DOWNTOWN SE 63.7 63.5 64.0 64.1 63.4 63.7 64.4 65.6 66.6 68.2 67.8 68.7 69.1 69.1 68.6 68.3 67.8 65.5 64.4 63.9 64.0 64.1 65.8 69.1 12
EL CAJON LES 64.2 64.1 63.5 63.5 62.8 62.4 64.2 65.6 68.6 70.4 71.3 71.9 72.1 72.0 71.9 71.5 70.3 68.3 65.1 63.0 62.2 62.5 66.9 72.1 12
KEARNY MESA 63.5 63.4 63.4 63.3 62.4 63.0 64.0 65.2 66.7 67.9 68.4 68.6 68.9 68.4 68.4 68.2 67.1 65.5 64.1 63.7 63.8 63.9 65.5 68.9 12
OTAY MESA DVN 62.6 62.4 62.2 61.9 61.2 61.6 62.6 64.2 65.3 67.2 70.1 70.3 70.8 70.9 69.8 69.1 68.1 66.4 62.7 60.6 61.1 61.4 65.1 70.9 13
PENDLETON 66.2 66.1 65.2 64.8 64.2 64.0 64.4 65.0 66.0 66.8 67.6 68.0 68.1 68.1 68.4 67.5 67.0 66.6 65.4 65.6 65.4 65.4 66.2 68.4 14
Current Date: 6/28/2026 10:09 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 65.3 65.7 65.0 64.7 64.3 64.5 65.4 66.2 67.2 68.9 70.2 70.0 69.8 70.0 69.7 69.8 68.5 66.6 64.9 64.4 64.4 64.8 66.8 70.2 10
17 RELHUM % ALPINE 97 96 95 96 97 95 88 75 69 62 54 53 51 51 51 50 51 59 73 84 90 92 74 97 00
EL CAJON LES 86 85 85 83 81 84 78 70 60 54 52 51 49 48 48 49 52 57 66 73 76 75 66 86 00
KEARNY MESA 90 88 84 83 84 78 74 68 66 62 61 60 60 60 60 61 63 69 73 73 72 72 71 90 00
18 PRES mmHg EL CAJON LES 748 748 747 747 747 748 748 748 748 748 748 748 747 747 746 746 746 746 746 746 746 746 747 748 00
KEARNY MESA 749 749 749 748 748 749 749 749 749 749 749 749 748 748 748 747 747 747 747 747 747 747 748 749 00
19 SOLAR W/M2 EL CAJON LES 2 2 1 2 3 51 159 198 655 867 992 1047 1040 972 846 667 460 237 49 -1 -1 3 375 1047 11
KEARNY MESA 1 1 1 1 4 68 168 356 593 827 987 1045 1026 956 835 662 462 201 32 2 1 1 374 1045 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 4 9 14 36 49 56 59 59 54 46 35 23 11 3 0 0 0 21 59 11
25 NOY EL CAJON LES 1.31 1.36 1.22 1.31 C C 2.02 2.23 2.12 1.83 1.60 1.34 1.51 1.48 1.47 1.55 1.56 1.68 1.64 1.87 2.13 1.54 1.63 2.23 07
26 NOY-NO EL CAJON LES 1.22 1.25 1.16 1.19 C C 1.63 1.73 1.65 1.48 1.25 1.00 1.08 1.14 1.13 1.19 1.24 1.39 1.28 1.54 1.88 1.46 1.34 1.88 20
27 NO Trace EL CAJON LES .09 .10 .06 .12 C C .38 .50 .47 .34 .34 .33 .42 .34 .34 .35 .31 .28 .35 .33 .24 .07 .28 .50 07
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 100.6 C C C 89.0 102.6 114.9 119.2 104.3 105.1 110.4 107.7 102.2 100.7 101.7 105.4 101.9 98.6 99.6 117.9 109.7 104.0 105.0 119.2 07
BCarbon ug/m3 10TH AVE MARIN .02 .03 .02 .04 .02 .03 .03 < .04 .05 < .10 < .13 .06 .07 .12 .05 .04 .12 < < .06 .13 13
ALPINE < < .03 < .03 .03 .02 .02 < .03 .04 .05 < .05 < .04 .04 .04 .05 .06 .05 .06 .04 .06 19
BOSTON AVE .04 .08 .13 .10 .13 .11 .13 .05 .03 .07 .04 .06 .06 .04 .04 .04 .07 .08 .52 .24 .06 .04 .10 .52 18
CHICANO PARK < .05 .04 < .06 .05 .06 < .07 .17 .14 .16 .12 .17 .14 .12 .05 .12 < .12 .08 .09 .10 .17 09
DOWNTOWN SE < < < < < < < < < < < < < < < < < < < < < < < <
OCEANVIEW BLV < .07 .05 .10 .10 .14 .06 .09 .06 .09 < < .07 .08 .09 .08 < .07 .08 .08 .08 < .08 .14 05
OTAY MESA DVN .03 .05 .02 .02 .02 .03 .03 .03 .04 .08 .13 .08 .11 .08 .06 .05 .07 .10 .07 .06 .06 .12 .06 .13 10
SAN YSIDRO .04 .02 .03 < .06 .05 .07 .05 .06 .05 < .05 .06 .05 .06 < < .07 < .06 .30 .34 .08 .34 21
PM10 STD ALPINE 6.0 5.3 4.8 7.2 7.2 7.0 6.9 6.6 7.2 9.8 11.4 15.5 14.8 16.1 18.5 16.9 16.9 18.1 19.6 19.2 18.8 18.8 12.3 19.6 18
CARMEL MT RCH 7.8 10.0 10.9 10.0 12.4 13.0 12.2 12.2 12.2 13.8 14.6 15.8 17.7 17.9 21.2 19.9 21.5 20.9 18.8 16.3 16.5 15.4 15.0 21.5 16
CHULA VISTA 8.8 8.6 10.7 9.5 11.2 10.1 11.7 11.5 13.2 14.9 14.8 14.6 16.1 18.8 21.6 20.9 21.5 19.5 20.8 18.9 20.5 18.3 15.2 21.6 14
DOWNTOWN SE 8.8 10.1 8.8 8.3 10.8 10.5 11.9 13.5 14.1 14.6 13.7 13.9 17.1 19.1 20.1 20.2 20.6 21.7 22.0 17.7 18.0 16.7 15.1 22.0 18
EL CAJON LES 7.2 7.2 8.2 8.5 7.7 8.3 8.5 9.2 10.1 12.0 14.4 16.2 16.1 16.7 17.8 16.7 19.0 19.3 18.8 19.0 19.1 18.7 13.5 19.3 17
KEARNY MESA 9.3 11.0 12.7 11.5 12.1 11.7 13.7 12.5 15.2 16.2 17.5 17.5 21.3 21.9 24.1 23.8 23.5 22.7 22.0 20.2 20.1 19.9 17.2 24.1 14
OTAY MESA DVN 6.5 8.7 7.1 6.9 8.3 9.9 10.3 9.6 12.3 14.7 19.5 20.2 19.6 25.2 20.7 23.1 22.7 24.0 20.4 18.5 17.7 20.2 15.7 25.2 13
PENDLETON 17.8 22.4 20.6 16.6 15.8 16.3 15.5 15.4 14.6 16.8 16.6 17.5 19.2 19.0 20.2 19.5 20.2 17.6 17.6 21.0 23.7 22.9 18.4 23.7 20
SAN YSIDRO 11.0 9.3 10.6 14.0 12.8 16.7 16.4 13.6 17.5 20.1 20.2 21.0 21.0 21.8 24.4 23.8 24.8 24.0 22.8 24.1 26.2 22.1 19.0 26.2 20
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00