Current Date: 5/23/2026 7:09 PM
Daily Parameter Report
5/23/2026
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 .038 .038 C C .038 .038 .037 .040 .043 .049 .055 .058 .060 .057 .056 .055 .053 .050 .049 .047 .060 12
CHULA VISTA .045 .045 C C .042 .041 .042 .045 .046 .048 .049 .049 .050 .051 .051 .050 .049 .048 .047 .046 .051 13
DOWNTOWN SE .044 .043 C C .043 .041 .041 .041 .043 .045 .046 .048 .048 .047 .047 .047 .045 .045 .045 .044 .048 11
EL CAJON LES .039 .041 C C C .040 .040 .041 .045 .049 .053 .052 .051 .050 .050 .050 .048 .047 .046 .046 .053 10
KEARNY MESA .043 .044 C C .044 .044 .044 .045 .047 .049 .050 .051 .051 .052 .051 .049 .048 .048 .047 .047 .052 13
OTAY MESA DVN .041 .041 C C .042 .042 .043 .044 .047 .051 .052 .053 .052 .052 .053 .053 .051 .048 .047 .047 .053 11
PENDLETON .044 .044 C C .043 .044 .045 .046 .047 .048 .048 .049 .050 .050 .050 .048 .048 .047 .047 .046 .050 12
03 NO2 PPB ALPINE 3.4 3.2 C C 2.5 3.2 3.5 3.2 3.2 3.1 3.1 2.8 2.6 2.6 2.6 2.6 2.6 2.5 2.4 2.8 3.5 06
CARMEL MT RCH 1.6 4.2 C C 4.9 6.5 7.1 9.3 8.6 6.8 6.1 5.6 4.9 6.1 5.9 6.0 5.9 6.5 7.0 6.0 9.3 07
CHULA VISTA 1.4 1.4 C C 2.6 3.3 2.8 3.0 3.6 1.7 1.6 1.5 1.4 1.4 1.3 1.4 1.4 1.2 1.5 1.9 3.6 08
DOWNTOWN SE 2.5 2.9 C C 2.5 3.4 4.8 5.8 4.8 3.0 3.0 2.8 3.2 2.5 2.2 2.0 2.2 3.1 4.4 3.2 5.8 07
EL CAJON LES 4.7 4.7 C C C 5.0 5.8 6.1 5.9 5.2 4.9 4.5 4.6 4.6 4.3 4.2 3.9 3.8 4.2 4.7 6.1 07
KEARNY MESA 1.7 1.4 C C 1.1 1.2 1.3 1.8 1.3 1.0 .8 .7 .7 .7 .6 .6 .5 .8 .9 1.0 1.8 07
OTAY MESA DVN 2.0 1.7 C C 2.2 2.0 1.8 2.2 2.5 2.6 1.7 1.4 1.5 1.4 1.4 1.2 1.1 1.2 1.3 1.7 2.6 09
PENDLETON .8 .8 C C 1.4 1.5 1.4 1.3 .9 .9 .9 .9 .9 1.0 .9 .9 1.0 1.0 1.0 1.0 1.5 05
SAN YSIDRO 1.3 1.3 C C 3.8 5.7 6.3 5.0 2.7 3.0 2.5 2.1 2.0 2.0 2.1 2.1 2.4 2.5 4.0 2.9 6.3 06
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .3 .4 .5 .5 .5 .5 .4 .4 .4 .4 .4 .4 .4 .4 .4 .5 07
SAN YSIDRO .1 .1 C C .2 .2 .3 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .3 06
07 H2S PPB IB CIVIC CTR .5 .4 .6 .6 .6 .6 .6 .6 .6 .5 .5 .5 .5 .5 .5 .5 .6 .5 .6 .5 .6 02
NESTOR - BES .7 1.9 25.7 4.4 24.8 .6 .6 .5 .5 .5 .4 .5 .5 .5 .5 .5 .4 .4 .4 3.3 25.7 02
SAN YSIDRO .6 .8 4.4 4.5 5.3 2.2 5.1 1.7 1.0 1.0 .8 .6 .7 .9 .8 .7 .6 .7 2.1 1.8 5.3 04
10 INTMP °C ALPINE 27 27 27 26 27 27 27 26 25 25 25 25 25 25 25 25 25 25 26 26 27 00
CARMEL MT RCH 24 24 25 25 25 25 25 24 24 25 25 25 25 25 25 25 25 25 25 25 25 02
CHULA VISTA 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 25 24 24 25 25 24 24 24 24 24 24 25 24 25 24 24 25 24 24 25 01
OTAY MESA DVN 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 25 25 25 25 25 25 25 25 25 25 25 00
SAN YSIDRO 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 24 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 25 24 24 23 23 24 24 25 25 26 26 25 26 00
NESTOR - BES 26 26 26 26 26 26 26 25 25 25 25 25 24 24 25 25 25 25 26 25 26 00
11 PM2.5 µg/M3 ALPINE 15.0 15.8 14.4 13.6 13.4 13.5 13.2 12.0 11.5 11.7 12.2 10.6 9.6 9.2 9.3 9.0 8.3 7.5 7.4 11.4 15.8 01
CARMEL MT RCH 8.9 9.7 9.7 10.1 9.9 10.1 10.0 10.2 10.0 11.3 11.5 10.7 10.4 10.8 10.6 9.9 9.0 7.9 7.4 9.9 11.5 10
CHULA VISTA 9.1 9.0 8.9 8.8 9.5 9.7 10.0 9.7 10.3 8.6 8.6 8.8 8.7 8.6 8.4 8.1 7.5 6.7 6.2 8.6 10.3 08
DOWNTOWN SE 9.8 10.4 10.3 11.0 10.8 10.9 10.7 10.2 9.4 8.4 9.2 9.3 9.5 9.1 8.4 8.0 7.6 7.5 7.6 9.3 11.0 03
EL CAJON LES 10.9 10.9 10.7 11.4 11.3 11.6 11.4 11.9 12.4 11.3 10.8 9.9 9.1 9.2 8.8 8.2 8.0 7.4 6.8 10.1 12.4 08
KEARNY MESA 9.3 9.6 9.3 8.9 8.5 9.0 9.8 9.3 9.7 10.3 10.2 10.1 10.1 9.5 9.2 8.2 7.0 6.8 6.5 9.0 10.3 09
Current Date: 5/23/2026 7:09 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 11.3 11.0 10.8 12.4 12.1 12.1 11.6 11.5 11.9 11.4 9.9 9.1 8.9 8.8 8.5 7.9 7.2 6.8 6.7 9.9 12.4 03
PENDLETON 7.4 7.5 7.7 7.7 7.7 7.7 7.8 7.9 7.3 7.0 7.1 7.3 8.0 7.7 7.8 7.3 6.7 6.2 6.5 7.3 8.0 12
SAN YSIDRO 11.3 11.4 10.8 10.6 9.9 10.3 10.2 10.5 10.9 10.8 10.4 10.4 10.4 9.8 9.8 9.4 8.6 8.2 7.8 10.0 11.4 01
12 VWDR ° ALPINE 284 313 314 139 349 201 236 255 257 246 238 253 250 244 248 246 259 267 279 0 349 04
CHULA VISTA 248 212 276 274 316 304 277 274 278 267 255 262 264 270 267 268 272 261 269 0 316 04
DOWNTOWN SE 239 320 359 336 317 311 333 277 259 262 253 245 255 245 249 245 260 259 299 0 359 02
EL CAJON LES 127 353 312 314 321 259 289 304 329 271 264 261 255 264 257 255 262 265 285 0 353 01
KEARNY MESA 313 354 334 304 334 22 105 273 302 291 304 281 287 281 282 285 288 288 300 0 354 01
OTAY MESA DVN 295 317 301 35 56 46 328 294 285 280 288 283 281 285 287 282 283 275 273 0 328 06
PENDLETON 202 230 337 317 350 345 330 270 252 244 237 247 258 256 257 257 253 255 256 0 350 04
13 SIGTHETA ° ALPINE 38 43 52 67 56 61 38 52 45 43 51 40 32 31 31 30 30 28 23 42 67 03
CHULA VISTA 37 36 43 48 21 22 34 37 31 23 24 24 22 20 23 22 25 21 19 28 48 03
DOWNTOWN SE 25 44 27 32 49 48 41 39 29 26 26 23 23 26 24 24 28 30 30 31 49 04
EL CAJON LES 40 37 16 20 18 32 38 69 43 61 72 42 29 21 22 24 23 21 24 34 72 10
KEARNY MESA 20 58 40 11 29 32 32 34 32 35 32 21 16 18 18 19 15 14 14 26 58 01
OTAY MESA DVN 32 53 28 18 16 22 29 32 41 22 25 17 16 12 13 16 14 15 9 23 53 01
PENDLETON 28 31 45 54 18 29 42 47 14 11 15 11 14 10 12 12 10 13 13 23 54 03
14 VWSP MPH ALPINE 1.7 2.0 .9 .1 1.3 .8 2.2 2.3 3.1 3.8 3.4 4.8 5.7 6.5 6.3 5.9 5.9 4.9 3.4 .0 6.5 13
CHULA VISTA 1.9 1.8 1.6 .6 2.5 2.3 2.7 3.5 4.9 7.2 7.2 7.9 8.6 9.1 8.0 8.1 6.7 6.4 5.5 .0 9.1 13
DOWNTOWN SE 2.3 1.7 2.5 2.4 1.7 1.7 1.9 2.3 5.5 7.1 7.1 9.1 8.1 8.3 8.1 8.5 6.3 5.1 4.2 .0 9.1 11
EL CAJON LES 1.5 1.6 4.0 3.5 3.1 2.2 2.3 1.3 3.2 3.0 1.8 5.4 6.5 8.8 8.0 7.4 7.3 5.9 4.8 .0 8.8 13
KEARNY MESA 2.4 1.6 1.4 3.7 2.9 2.5 1.0 3.6 4.2 5.0 6.7 9.9 11.2 10.5 10.2 10.0 9.0 7.7 5.9 .0 11.2 12
OTAY MESA DVN 1.5 1.2 2.0 3.5 4.4 3.2 1.3 4.3 4.5 8.0 8.4 9.2 11.1 12.0 11.2 10.9 9.7 8.6 7.6 .0 12.0 13
PENDLETON 2.6 1.8 1.7 1.3 3.0 2.5 1.1 2.1 5.1 7.3 7.3 9.0 8.5 10.8 9.7 9.2 10.2 6.5 5.7 .0 10.8 13
15 SWSP MPH ALPINE 2.0 2.4 1.9 1.6 1.9 1.7 2.7 3.2 3.9 4.9 4.7 5.9 6.6 7.4 7.3 6.6 6.6 5.4 3.6 4.2 7.4 13
CHULA VISTA 2.5 2.2 2.3 1.8 2.7 2.5 3.1 4.3 5.6 7.7 7.9 8.5 9.2 9.7 8.6 8.8 7.3 6.9 5.8 5.7 9.7 13
DOWNTOWN SE 2.6 2.4 2.9 2.9 2.1 2.3 2.6 3.6 6.3 8.0 7.8 9.9 8.9 9.1 8.8 9.3 7.1 5.8 5.0 5.7 9.9 11
EL CAJON LES 1.9 2.8 4.2 3.7 3.3 2.9 2.8 2.9 4.3 4.3 3.9 6.5 7.6 9.4 8.7 8.0 7.9 6.4 5.3 5.1 9.4 13
KEARNY MESA 2.6 2.7 2.2 3.8 3.3 3.9 3.3 4.0 5.9 6.4 7.7 10.6 11.8 11.1 10.7 10.6 9.4 8.0 6.1 6.5 11.8 12
OTAY MESA DVN 2.5 2.3 2.5 3.8 4.6 3.5 3.7 4.9 5.6 8.6 9.0 9.7 11.7 12.3 11.6 11.4 10.0 8.9 7.7 7.1 12.3 13
PENDLETON 3.3 2.3 2.2 1.8 3.3 2.6 2.0 2.8 5.2 7.4 7.6 9.2 8.7 11.0 9.9 9.4 10.3 6.6 5.8 5.9 11.0 13
16 AMBTEMP °F ALPINE 54.5 54.4 53.9 54.2 53.7 54.0 55.5 57.9 61.6 64.6 67.5 71.1 72.7 73.5 71.9 69.8 67.3 63.3 59.7 62.2 73.5 13
CARMEL MT RCH 59.9 59.8 60.0 60.1 60.2 60.1 60.5 61.9 63.0 66.3 69.9 71.1 71.2 72.0 70.4 69.2 67.0 64.3 62.7 64.7 72.0 13
CHULA VISTA 63.3 63.2 63.4 63.3 63.1 63.1 63.9 64.7 66.1 66.8 67.6 68.1 68.1 67.5 67.2 66.8 66.0 65.4 64.0 65.3 68.1 11
DOWNTOWN SE 62.8 62.9 62.8 62.6 62.2 62.5 63.2 65.0 66.4 66.8 69.0 69.0 69.7 68.9 68.0 67.2 66.8 65.4 63.8 65.5 69.7 12
EL CAJON LES 62.5 63.1 62.9 62.9 62.9 62.5 63.8 65.4 68.1 70.3 73.3 75.8 76.7 75.2 74.1 73.1 70.9 68.6 66.0 68.3 76.7 12
KEARNY MESA 62.0 62.2 62.2 62.0 61.9 62.0 62.7 63.4 66.2 67.7 69.7 70.3 69.8 69.5 68.7 67.4 65.5 64.2 63.1 65.3 70.3 11
OTAY MESA DVN 60.4 60.5 60.7 60.8 60.7 60.8 62.2 63.9 66.7 68.5 69.3 70.0 70.6 69.2 68.3 67.5 65.8 64.2 61.6 64.8 70.6 12
PENDLETON 63.1 63.1 63.1 63.1 62.9 62.9 63.3 64.1 64.3 65.4 66.6 66.9 67.3 67.5 67.6 66.7 65.7 65.1 64.8 64.9 67.6 14
Current Date: 5/23/2026 7:09 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 63.7 63.8 63.5 63.5 63.5 63.8 64.6 65.8 66.9 68.3 69.0 70.0 70.6 69.5 69.0 68.4 66.9 65.5 64.3 66.3 70.6 12
17 RELHUM % ALPINE 97 97 97 94 94 93 89 81 73 64 56 48 45 48 52 57 62 70 78 73 97 00
EL CAJON LES 79 76 76 75 74 75 71 67 60 55 48 46 46 49 51 53 56 61 67 62 79 00
KEARNY MESA 79 78 77 76 76 76 74 72 66 63 60 60 62 63 65 66 70 74 77 70 79 00
18 PRES mmHg EL CAJON LES 747 747 747 747 747 747 748 748 749 749 748 748 748 748 748 748 748 748 749 748 749 08
KEARNY MESA 748 748 748 748 748 748 749 749 750 750 750 749 749 749 749 749 749 749 750 749 750 08
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 4 38 130 377 681 856 968 1018 1007 929 789 603 390 173 23 421 1018 11
KEARNY MESA 1 1 1 1 3 40 118 265 643 859 986 1029 1010 930 798 608 333 124 18 409 1029 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 3 8 21 37 47 53 56 55 50 42 31 19 8 1 23 56 11
25 NOY EL CAJON LES 2.21 2.30 2.25 2.14 1.90 C C 2.94 2.69 2.62 2.68 2.37 2.30 2.25 2.18 2.09 1.92 1.77 1.83 2.26 2.94 07
26 NOY-NO EL CAJON LES 2.20 2.29 2.23 2.12 1.87 C C 2.50 2.23 2.26 2.38 2.10 2.02 1.89 1.81 1.70 1.65 1.56 1.68 2.02 2.50 07
27 NO Trace EL CAJON LES .01 .01 .01 .02 .02 C C .44 .45 .35 .30 .26 .28 .35 .36 .38 .26 .20 .14 .22 .45 08
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 .0 00
29 CO Tr PPB EL CAJON LES 166.1 163.5 C C C 168.2 176.7 184.7 184.9 183.8 184.8 157.2 159.8 160.0 154.8 155.6 152.2 151.2 153.2 166.0 184.9 08
BCarbon ug/m3 10TH AVE MARIN .09 .10 < .11 .13 .13 < .13 .13 .18 .25 .24 .25 < .19 .20 .17 < .13 .16 .25 10
ALPINE < .18 .17 .16 .16 .17 .18 .17 .21 < .16 .15 .14 .13 .11 .10 .09 .09 < .15 .21 08
BOSTON AVE .14 .17 .18 .19 .22 .23 .33 .31 .30 .25 .25 .25 .19 .22 .21 .20 .20 .25 .25 .23 .33 06
CHICANO PARK .13 .13 .13 < .18 .20 .21 .22 .17 .14 < .15 < .13 .11 .11 .12 .19 .18 .16 .22 07
DOWNTOWN SE .12 < .15 < .16 .14 < .23 .22 .13 .16 .15 < < .12 .11 .09 .13 .19 .15 .23 07
OCEANVIEW BLV .15 < .14 < < .17 .17 .21 .24 < < .21 .20 .14 .13 .15 .18 .16 .21 .18 .24 08
OTAY MESA DVN .14 .13 .12 .15 .17 .17 .16 .17 .21 .17 .13 < .11 .09 < < .09 .09 < .14 .21 08
SAN YSIDRO < .13 .12 .14 .12 .14 .18 < < .11 .13 .14 .11 .11 .12 .10 .11 .10 .13 .12 .18 06
PM10 STD ALPINE 31.1 32.2 29.8 29.1 28.0 29.5 29.9 27.4 27.2 27.3 28.9 26.1 24.5 26.3 25.0 21.5 21.4 19.4 18.9 26.5 32.2 01
CARMEL MT RCH 19.7 21.3 21.8 21.8 20.9 23.2 21.8 22.8 24.1 24.3 29.0 25.3 25.9 26.0 24.7 23.5 21.6 20.0 18.7 22.9 29.0 10
CHULA VISTA 22.5 22.0 21.5 22.2 22.2 22.4 22.9 22.9 23.9 21.3 21.6 21.9 21.4 21.7 19.9 20.3 19.9 16.4 15.5 21.1 23.9 08
DOWNTOWN SE 24.2 23.3 22.3 24.7 24.1 24.2 24.4 25.4 25.8 21.5 22.7 22.1 23.7 23.2 21.6 20.8 19.8 19.1 17.9 22.6 25.8 08
EL CAJON LES 25.1 25.6 24.5 26.1 26.4 26.5 25.5 27.0 27.6 25.7 25.1 24.7 25.0 25.5 23.0 20.8 19.8 20.4 18.6 24.3 27.6 08
KEARNY MESA 21.3 23.1 20.9 20.7 20.6 20.6 21.5 22.9 24.3 25.7 25.3 25.9 28.1 24.5 23.0 22.3 17.7 16.4 15.8 22.1 28.1 12
OTAY MESA DVN 26.5 25.3 27.5 34.1 33.6 31.6 26.6 26.8 29.0 27.9 26.5 25.4 26.8 25.6 24.1 21.5 17.4 17.2 17.6 25.8 34.1 03
PENDLETON 17.2 19.5 20.5 21.6 20.0 20.7 20.5 23.8 19.9 18.2 17.9 17.6 20.8 22.8 22.2 20.8 19.9 16.2 17.5 19.8 23.8 07
SAN YSIDRO 30.1 27.3 25.2 27.1 25.0 27.7 25.4 29.0 27.0 27.4 30.2 29.3 28.3 27.4 26.7 24.6 22.1 22.2 26.5 26.7 30.2 10
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