Current Date: 4/1/2026 6:09 PM
Daily Parameter Report
4/1/2026
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 .023 .023 C C .033 .031 .032 .035 .037 .040 .043 .046 .047 .046 .045 .045 .043 .041 .038 .047 12
CHULA VISTA .026 .030 C C .025 .027 .033 .037 .040 .040 .042 .042 .041 .042 .041 .040 .040 .039 .036 .042 10
DOWNTOWN SE .025 .029 C C .024 .027 .033 .031 .034 .036 .039 .039 .039 .040 .038 .038 .039 .035 .034 .040 13
EL CAJON LES .021 .024 C C C .023 .021 .027 .034 .037 .043 .044 .045 .042 .042 .042 .040 .040 .035 .045 12
KEARNY MESA .032 .030 C C .026 .021 .026 .034 .039 .042 .044 .043 .043 .042 .043 .043 .043 .040 .036 .044 10
OTAY MESA DVN .026 .028 C C .029 .025 .024 .032 .037 M M M M M M M M .039 .030 .039 17
PENDLETON .005 .018 C C .022 .020 .027 .032 .036 .040 .044 .044 .042 .043 .047 .048 .046 .043 .034 .048 15
03 NO2 PPB ALPINE 2.9 3.2 C C 1.4 2.6 2.4 1.7 1.7 2.3 2.3 2.0 1.5 1.8 1.9 2.0 2.4 2.7 2.1 3.2 01
CARMEL MT RCH 4.7 8.7 C C 11.5 11.1 13.4 14.8 9.8 7.6 10.7 7.1 8.8 8.7 7.7 7.3 8.8 7.3 9.2 14.8 07
CHULA VISTA 3.2 2.2 C C 5.3 6.0 3.6 2.1 1.6 1.8 1.7 1.7 1.7 1.5 1.6 1.5 1.7 1.9 2.4 6.0 05
DOWNTOWN SE 5.7 3.2 C C 8.7 7.2 5.1 6.8 6.0 5.5 3.1 3.8 3.3 2.9 3.4 3.1 2.6 5.4 4.7 8.7 04
EL CAJON LES 4.5 3.6 C C C 4.9 5.9 5.4 3.7 3.3 2.1 1.5 1.5 1.9 1.8 1.8 2.3 2.1 3.0 5.9 06
KEARNY MESA 2.1 1.5 C C 6.7 10.9 6.0 3.8 2.1 1.4 1.4 1.1 1.0 1.0 1.1 1.1 .9 1.2 2.7 10.9 05
OTAY MESA DVN 3.5 2.6 C C 2.8 7.9 9.1 4.6 5.0 M M M M M M M M 1.9 4.6 9.1 06
PENDLETON 14.2 5.7 C C 10.6 12.2 7.3 5.8 3.4 3.0 1.4 1.0 1.7 2.7 3.0 .8 .7 .8 4.6 14.2 00
SAN YSIDRO 4.1 3.6 C C 12.7 16.2 7.9 7.4 4.4 3.5 2.7 3.0 3.1 2.7 3.0 2.8 3.3 4.4 5.3 16.2 05
06 CO PPM CARMEL MT RCH .2 .3 C C .4 .4 .4 .4 .3 .3 .3 C .3 .4 .3 .3 .4 .3 .3 .4 04
SAN YSIDRO .2 .2 C C .4 .5 .4 .3 .4 .6 C .8 .6 .6 .3 .2 .2 .2 .4 .8 11
07 H2S PPB IB CIVIC CTR 12.2 5.3 2.7 1.4 3.2 2.9 1.1 1.2 .8 .6 .5 .4 .3 .4 .3 .3 .2 .3 1.8 12.2 00
NESTOR - BES 54.6 30.3 24.2 26.0 72.8 115.3 38.1 2.3 .8 .9 1.0 2.2 .6 .2 .2 .2 .2 .2 20.5 115.3 05
SAN YSIDRO 2.8 3.4 3.6 13.9 10.4 14.4 53.6 4.7 2.6 M M M M 1.9 1.9 2.4 3.1 3.2 8.7 53.6 06
10 INTMP °C ALPINE 27 26 27 26 27 27 26 27 26 26 26 26 26 25 25 25 26 25 26 27 00
CARMEL MT RCH 26 26 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 M 24 24 24 24 24 24 24 24 24 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 25 25 26 26 26 25 25 25 25 26 26 00
KEARNY MESA 24 25 25 25 24 25 25 25 25 25 24 25 25 25 25 25 25 25 25 25 01
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 26 26 26 26 26 26 26 26 27 27 00
PENDLETON 26 26 26 26 26 26 26 26 25 25 25 24 25 25 25 25 25 25 25 26 00
SAN YSIDRO 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 27 27 26 26 25 25 24 24 24 23 24 25 25 26 25 27 04
NESTOR - BES 26 26 26 26 26 26 25 25 25 25 25 24 24 24 24 24 25 25 25 26 00
11 PM2.5 µg/M3 ALPINE 9.9 11.6 9.8 7.1 6.9 7.2 7.6 7.5 7.5 7.3 7.4 7.3 6.6 6.4 6.0 5.8 5.9 5.6 7.4 11.6 01
CARMEL MT RCH 8.4 9.2 8.3 8.0 7.9 8.0 8.5 8.7 8.8 7.9 7.6 7.9 7.9 7.7 7.4 6.7 5.7 5.1 7.7 9.2 01
CHULA VISTA 9.8 7.9 7.3 7.3 8.0 8.7 9.1 9.6 9.8 10.1 M M 8.7 7.6 6.8 6.2 5.8 5.1 7.9 10.1 09
DOWNTOWN SE 8.1 7.9 7.9 8.3 9.2 10.4 16.4 30.0 15.7 9.5 9.2 10.2 7.8 7.1 6.3 5.8 5.5 5.5 10.0 30.0 07
EL CAJON LES 9.1 10.2 7.3 6.6 7.2 7.8 9.4 9.2 8.5 8.5 8.2 7.8 7.1 7.1 6.5 6.2 5.8 5.4 7.6 10.2 01
KEARNY MESA 9.0 7.8 7.7 7.6 7.7 7.8 8.5 9.1 8.3 8.3 8.2 8.1 7.8 7.4 6.7 5.9 5.2 4.9 7.5 9.1 07
Current Date: 4/1/2026 6:09 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 10.3 9.0 8.1 7.8 8.3 10.0 11.6 10.4 10.6 9.7 9.5 9.2 9.3 8.4 7.1 6.1 5.8 5.7 8.7 11.6 06
PENDLETON 9.0 8.7 7.7 9.5 10.2 10.1 9.7 8.5 7.2 7.0 7.1 6.0 4.9 4.3 4.0 3.9 4.4 4.9 7.0 10.2 04
SAN YSIDRO 9.1 8.5 8.1 8.4 9.4 11.1 10.6 10.9 10.4 10.2 10.8 9.9 10.2 8.6 7.3 6.9 6.6 6.2 9.0 11.1 05
12 VWDR ° ALPINE 248 274 249 222 256 276 251 244 245 257 245 244 256 246 247 249 236 264 0 276 05
CHULA VISTA 221 222 226 246 207 239 244 227 238 262 248 253 257 274 270 267 274 283 0 283 17
DOWNTOWN SE 187 207 228 244 198 270 246 209 234 267 250 238 259 270 278 281 276 273 0 281 15
EL CAJON LES 213 250 219 247 229 234 189 M 246 241 221 220 224 244 253 252 259 273 0 273 17
KEARNY MESA 193 240 272 284 201 257 248 251 268 276 256 263 273 272 271 273 279 292 0 292 17
OTAY MESA DVN 196 205 239 237 264 222 225 229 280 264 258 247 265 279 272 284 286 279 0 286 16
PENDLETON 353 292 266 306 331 325 331 308 304 267 260 263 264 260 261 261 266 264 0 353 00
13 SIGTHETA ° ALPINE 29 27 30 22 27 24 30 27 30 34 27 28 28 29 30 28 25 26 28 34 09
CHULA VISTA 24 24 19 17 18 20 21 23 33 22 22 24 23 19 21 20 22 20 22 33 08
DOWNTOWN SE 15 20 22 20 22 19 22 20 21 28 29 28 23 22 27 27 26 25 23 29 10
EL CAJON LES 25 36 23 24 29 20 16 M 24 24 22 25 24 23 23 25 25 22 24 36 01
KEARNY MESA 13 17 14 31 26 10 14 20 16 19 21 23 14 19 20 17 13 11 18 31 03
OTAY MESA DVN 11 15 11 15 12 12 20 19 30 21 21 21 19 14 18 14 12 10 16 30 08
PENDLETON 21 16 16 26 11 12 17 14 18 16 14 15 15 13 15 13 14 13 16 26 03
14 VWSP MPH ALPINE 1.9 2.6 4.2 4.6 3.3 4.4 4.1 3.7 3.8 3.7 5.5 6.7 6.5 6.9 6.9 5.8 6.0 5.2 .0 6.9 13
CHULA VISTA 2.4 3.3 4.4 3.9 2.3 1.6 2.8 3.7 2.9 6.1 6.6 7.3 7.8 9.1 7.8 7.6 7.2 7.0 .0 9.1 13
DOWNTOWN SE 4.0 4.6 3.5 3.4 2.1 3.1 2.7 3.7 3.9 4.9 4.9 5.7 6.6 7.1 6.4 5.9 5.6 5.4 .0 7.1 13
EL CAJON LES 1.8 2.3 4.1 2.4 1.3 2.3 3.0 M 3.5 4.7 7.0 7.9 7.2 8.6 7.7 6.9 6.5 5.7 .0 8.6 13
KEARNY MESA 5.3 4.2 4.5 1.4 2.5 3.3 3.4 3.8 7.2 7.8 8.6 8.8 11.8 11.0 9.4 9.2 10.3 8.5 .0 11.8 12
OTAY MESA DVN 5.1 5.0 6.2 5.3 3.4 3.5 2.7 3.1 4.6 7.3 8.1 8.8 11.1 12.4 11.3 9.8 9.4 8.0 .0 12.4 13
PENDLETON 2.3 2.9 3.3 2.6 4.0 4.3 3.1 4.6 4.8 4.3 5.9 6.8 6.6 8.6 7.4 7.3 6.4 6.1 .0 8.6 13
15 SWSP MPH ALPINE 2.3 2.9 4.8 4.9 4.2 4.7 4.7 4.0 4.3 4.4 6.3 7.5 7.5 7.8 7.8 6.8 6.6 5.7 5.4 7.8 13
CHULA VISTA 2.7 3.8 5.1 4.1 2.5 2.0 3.0 4.0 3.7 6.6 7.1 7.9 8.5 9.7 8.4 8.1 7.7 7.3 5.7 9.7 13
DOWNTOWN SE 4.2 5.1 4.7 3.7 2.5 3.4 3.0 4.0 5.2 5.5 5.6 6.7 7.4 7.6 7.1 6.5 6.2 6.0 5.2 7.6 13
EL CAJON LES 2.1 2.7 4.4 3.3 2.1 2.4 3.2 M 3.8 5.3 7.5 8.7 8.0 9.4 8.4 7.5 7.1 6.1 5.4 9.4 13
KEARNY MESA 5.4 4.5 4.7 1.5 2.8 3.3 3.6 4.2 7.9 8.2 9.2 9.6 12.3 11.6 10.0 9.6 10.6 8.7 7.1 12.3 12
OTAY MESA DVN 5.6 5.8 6.4 5.5 3.5 3.7 4.2 3.3 5.4 7.8 9.0 9.5 11.8 12.8 12.1 10.2 9.6 8.1 7.5 12.8 13
PENDLETON 2.5 3.3 3.4 2.8 4.1 4.4 3.3 4.7 5.1 4.5 6.0 7.0 6.8 8.7 7.6 7.4 6.6 6.2 5.2 8.7 13
16 AMBTEMP °F ALPINE 57.1 56.7 56.4 56.1 56.0 55.6 55.4 56.7 58.2 60.3 62.7 64.7 66.2 66.1 65.4 63.7 62.1 60.3 60.0 66.2 12
CARMEL MT RCH 62.6 62.3 62.0 61.9 61.9 61.7 62.4 64.0 64.3 66.5 69.6 69.9 71.7 70.7 68.9 68.7 67.8 64.0 65.6 71.7 12
CHULA VISTA 64.8 64.5 64.4 64.0 62.9 63.1 63.9 65.1 66.7 68.1 69.1 69.7 69.3 68.5 68.6 67.8 67.0 65.6 66.3 69.7 11
DOWNTOWN SE 63.8 63.7 63.4 62.4 61.2 61.3 62.7 64.4 68.2 72.0 69.4 72.5 71.4 72.1 72.8 72.4 70.8 67.5 67.3 72.8 14
EL CAJON LES 63.7 63.8 63.4 62.6 61.7 61.5 61.7 63.6 65.5 66.9 70.5 71.8 72.7 72.3 72.8 72.0 70.7 67.8 66.9 72.8 14
KEARNY MESA 64.1 63.7 63.3 62.5 62.3 62.0 62.7 64.0 65.9 67.9 69.6 70.9 69.5 69.5 69.1 68.6 67.5 64.6 66.0 70.9 11
OTAY MESA DVN 63.3 63.1 62.4 62.3 61.1 60.8 61.4 62.5 64.9 67.6 69.5 70.9 70.3 69.1 69.7 66.9 65.9 63.4 65.3 70.9 11
PENDLETON 64.0 64.4 64.7 64.1 63.2 62.9 63.2 64.4 65.9 66.6 67.3 67.6 67.9 68.1 68.2 67.8 66.8 65.5 65.7 68.2 14
Current Date: 4/1/2026 6:09 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 66.0 65.5 65.2 64.2 63.6 63.4 63.7 66.0 67.4 69.5 69.9 71.4 71.4 71.0 70.3 69.6 68.3 66.4 67.4 71.4 11
17 RELHUM % ALPINE 96 99 100 99 100 100 100 95 88 79 71 65 58 58 60 63 68 70 82 100 02
EL CAJON LES 86 89 92 97 98 99 100 93 80 75 64 59 52 57 53 53 53 55 75 100 06
KEARNY MESA 94 97 98 99 98 99 99 91 81 74 67 65 68 68 67 63 61 73 81 99 03
18 PRES mmHg EL CAJON LES 748 747 748 748 748 748 749 749 749 749 749 749 749 749 748 748 748 748 748 749 06
KEARNY MESA 748 748 748 748 748 749 749 749 750 750 750 750 750 750 750 749 749 749 749 750 08
19 SOLAR W/M2 EL CAJON LES 1 1 1 1 1 4 54 227 220 441 815 910 781 818 741 544 313 77 331 910 11
KEARNY MESA 1 1 1 1 1 6 78 183 320 620 781 955 676 795 739 538 307 92 339 955 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 4 12 15 26 44 50 46 46 40 28 15 4 18 50 11
25 NOY EL CAJON LES 4.75 3.71 1.24 1.07 2.02 C C M C C 2.87 2.35 2.10 2.62 2.54 2.41 2.73 2.27 2.51 4.75 00
26 NOY-NO EL CAJON LES 4.70 3.70 1.22 1.04 1.93 C C M C C 2.14 1.64 1.56 1.92 1.85 1.79 2.15 2.00 2.12 4.70 00
27 NO Trace EL CAJON LES .04 .01 .02 .02 .08 C C M C C .73 .70 .54 .70 .69 .61 .58 .27 .38 .73 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 .0 .0 00
29 CO Tr PPB EL CAJON LES 201.6 182.2 C C C 183.0 197.9 203.0 184.2 199.0 163.1 153.8 157.0 164.2 160.2 165.1 166.5 145.0 175.0 203.0 07
BCarbon ug/m3 10TH AVE MARIN .32 .32 .18 .19 < .28 .31 < .42 .22 .26 < .30 1.56 .18 .58 .17 .16 .36 1.56 13
ALPINE .40 .48 .28 < .14 .16 .16 .14 < .17 .16 < .13 .13 .14 .13 .13 .14 .19 .48 01
BOSTON AVE .62 .27 .43 .19 .35 .59 .54 .45 .25 .29 .26 .25 .24 .23 .26 .22 .22 .29 .33 .62 00
CHICANO PARK .20 .32 .25 .43 .54 < < .51 .31 < .29 .23 .23 .24 .17 < .11 .18 .29 .54 04
DOWNTOWN SE .21 < < .17 < .25 < .39 .67 .23 < .23 .21 .14 .24 .21 .15 .23 .26 .67 08
OCEANVIEW BLV < < < < < < < < < < < .24 < .25 < .24 .20 < .23 .25 13
OTAY MESA DVN .67 .34 .31 .19 < .55 .61 .32 .37 .26 .23 .22 .18 < .12 < .10 .16 .31 .67 00
SAN YSIDRO < .23 .22 .24 < .62 .36 < .23 .21 .17 .15 .15 .12 .16 < .16 .21 .23 .62 05
PM10 STD ALPINE 22.8 25.7 20.2 15.5 14.5 14.6 15.3 16.3 15.7 15.4 16.7 17.2 16.9 17.6 17.2 14.2 13.8 12.9 16.8 25.7 01
CARMEL MT RCH 18.5 20.8 18.4 18.3 18.9 18.5 19.6 19.2 19.6 18.1 18.2 19.0 18.8 19.5 18.8 16.4 14.1 12.0 18.1 20.8 01
CHULA VISTA 26.2 20.8 16.7 16.5 18.0 22.8 20.3 21.8 19.7 20.1 M M 19.5 18.2 15.2 15.4 14.4 12.3 18.6 26.2 00
DOWNTOWN SE 19.4 18.0 17.7 19.0 18.9 20.1 100.8 287.5 70.2 21.0 31.2 39.3 16.8 17.5 17.3 14.4 12.7 12.4 41.9 287.5 07
EL CAJON LES 21.5 24.7 16.7 14.4 17.0 16.9 18.1 18.6 18.3 19.0 17.0 17.9 16.3 18.1 16.2 16.7 13.8 12.6 17.4 24.7 01
KEARNY MESA 21.3 18.2 17.3 17.5 18.2 17.8 19.6 20.6 19.0 20.6 19.9 19.3 19.6 17.0 16.0 14.8 12.6 10.7 17.7 21.3 00
OTAY MESA DVN 25.8 21.9 19.6 19.2 21.0 24.6 31.2 24.2 31.5 24.7 22.3 26.1 26.8 25.3 21.7 16.5 15.4 14.4 22.9 31.5 08
PENDLETON 25.8 27.0 19.9 23.5 23.2 22.5 24.5 25.5 19.3 15.8 15.0 13.5 12.5 10.8 11.4 10.1 11.5 12.8 18.0 27.0 01
SAN YSIDRO 23.3 20.9 18.8 20.2 21.0 27.7 28.7 24.4 23.3 28.3 24.4 23.2 29.9 23.6 19.6 18.7 18.9 18.1 22.9 29.9 12
RAINFALL EL CAJON LES .00 .00 .00 .05 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 03