Current Date: 5/5/2026 8:09 AM
Daily Parameter Report
5/5/2026
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 .040 .042 .044 .046 .041 .046 07
CHULA VISTA .038 .037 C C .039 .041 .042 .041 .039 .042 06
DOWNTOWN SE .036 .037 C C .040 .041 .038 .038 .038 .041 05
EL CAJON LES .033 .031 C C C .037 .038 .040 .035 .040 07
KEARNY MESA .036 .036 .035 .031 .036 .032 .039 .039 .035 .039 06
OTAY MESA DVN .036 .031 C C .037 .038 .043 .045 .038 .045 07
PENDLETON .041 .041 C C .026 .033 .032 .036 .034 .041 00
03 NO2 PPB ALPINE 1.2 1.2 C C 1.6 2.1 2.2 1.9 1.7 2.2 06
CARMEL MT RCH 4.5 2.6 C C 10.5 14.0 16.3 14.8 10.4 16.3 06
CHULA VISTA 1.2 1.3 C C 3.2 3.3 5.5 7.7 3.7 7.7 07
DOWNTOWN SE 3.0 2.1 C C 3.4 3.9 8.9 6.2 4.5 8.9 06
EL CAJON LES 1.2 1.1 C C C 3.2 4.0 2.4 2.3 4.0 06
KEARNY MESA .7 .8 1.6 3.9 3.2 5.6 4.3 2.4 2.8 5.6 05
OTAY MESA DVN 2.7 6.6 C C 2.8 2.8 3.0 3.5 3.5 6.6 01
PENDLETON .6 .7 C C 6.0 3.7 5.5 6.5 3.8 6.5 07
SAN YSIDRO 3.1 3.0 C C 8.4 9.0 4.0 4.0 5.2 9.0 05
06 CO PPM CARMEL MT RCH .1 .1 C C .3 .5 .3 .4 .3 .5 05
SAN YSIDRO .1 .1 C C .3 .5 .2 .2 .2 .5 05
07 H2S PPB IB CIVIC CTR .6 .6 .6 .5 .5 .5 .5 M .5 .6 00
NESTOR - BES 4.2 7.7 12.3 16.1 .5 1.9 .6 .4 5.4 16.1 03
SAN YSIDRO 5.8 9.6 3.6 3.6 18.6 6.6 .7 .6 6.1 18.6 04
10 INTMP °C ALPINE 26 26 26 26 26 26 25 25 26 26 00
CARMEL MT RCH 24 25 25 25 25 25 25 25 25 25 01
CHULA VISTA 25 24 25 25 25 25 25 25 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 25 24 25 24 24 24 24 24 25 01
OTAY MESA DVN 27 26 27 27 27 26 26 26 27 27 00
PENDLETON 26 26 26 26 26 26 26 26 26 26 00
SAN YSIDRO 25 24 24 25 25 24 24 24 24 25 00
10 INTMP °C        IB CIVIC CTR 28 28 27 27 28 27 27 26 27 28 00
NESTOR - BES 26 26 26 27 26 26 26 25 26 27 03
11 PM2.5 µg/M3 ALPINE 1.8 1.3 1.1 .3 .9 1.3 .9 .8 1.0 1.8 00
CARMEL MT RCH 2.4 1.5 2.1 3.0 3.6 5.7 5.8 5.0 3.6 5.8 06
CHULA VISTA 1.8 1.3 .9 1.2 1.5 1.7 1.9 1.9 1.5 1.9 06
DOWNTOWN SE 2.2 1.5 1.3 1.5 1.9 1.6 2.8 3.0 1.9 3.0 07
EL CAJON LES 2.0 1.7 1.1 1.6 1.6 1.3 1.4 1.5 1.5 2.0 00
KEARNY MESA 1.6 1.0 1.8 1.7 1.8 2.0 2.5 2.1 1.8 2.5 06
Current Date: 5/5/2026 8:09 AM
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 2.2 3.6 2.8 1.2 1.7 1.3 1.7 1.9 2.0 3.6 01
PENDLETON 1.2 1.3 2.3 2.4 2.7 2.9 2.6 3.3 2.3 3.3 07
SAN YSIDRO 2.9 2.6 2.0 2.3 3.4 2.9 2.6 2.4 2.6 3.4 04
12 VWDR ° ALPINE 168 155 168 240 279 272 276 245 0 279 04
CHULA VISTA 250 243 269 277 288 287 328 331 0 331 07
DOWNTOWN SE 221 223 270 258 301 266 321 359 0 359 07
EL CAJON LES 162 182 205 255 267 281 239 155 0 281 05
KEARNY MESA 195 224 250 271 299 251 297 341 0 341 07
OTAY MESA DVN 119 161 255 208 247 254 306 344 0 344 07
PENDLETON 246 244 278 2 331 315 318 303 0 331 04
13 SIGTHETA ° ALPINE 14 9 25 24 25 26 27 34 23 34 07
CHULA VISTA 20 20 21 26 35 19 23 23 23 35 04
DOWNTOWN SE 40 19 26 21 25 24 26 64 31 64 07
EL CAJON LES 17 22 24 24 20 28 22 31 24 31 07
KEARNY MESA 17 11 10 14 14 23 17 29 17 29 07
OTAY MESA DVN 16 40 11 22 24 52 18 26 26 52 05
PENDLETON 20 14 14 14 11 12 15 18 15 20 00
14 VWSP MPH ALPINE 4.6 5.6 2.7 4.1 4.0 4.1 3.2 3.7 .0 5.6 01
CHULA VISTA 2.8 3.0 2.6 2.6 1.5 4.5 3.6 3.6 .0 4.5 05
DOWNTOWN SE 2.1 3.8 2.8 2.7 3.3 4.4 2.9 .4 .0 4.4 05
EL CAJON LES 5.1 2.6 3.2 2.6 2.7 2.6 3.9 1.6 .0 5.1 00
KEARNY MESA 6.5 5.1 4.7 3.4 4.3 1.2 4.9 3.0 .0 6.5 00
OTAY MESA DVN 3.6 1.7 5.4 2.1 2.4 1.0 6.3 4.4 .0 6.3 06
PENDLETON 4.5 6.0 5.4 4.5 5.5 5.5 6.1 4.1 .0 6.1 06
15 SWSP MPH ALPINE 4.8 5.7 3.5 4.7 4.3 4.6 3.5 4.2 4.4 5.7 01
CHULA VISTA 3.0 3.2 2.9 3.0 1.7 4.9 4.2 3.9 3.4 4.9 05
DOWNTOWN SE 2.5 4.2 3.1 3.0 3.6 4.8 3.2 2.1 3.3 4.8 05
EL CAJON LES 5.4 3.3 3.6 2.9 2.9 3.0 4.3 2.1 3.4 5.4 00
KEARNY MESA 6.8 5.5 4.8 3.6 4.7 1.7 5.7 3.7 4.6 6.8 00
OTAY MESA DVN 4.0 2.6 5.5 2.4 4.6 2.0 7.3 4.9 4.2 7.3 06
PENDLETON 4.9 6.3 6.4 4.8 5.8 5.7 6.3 4.3 5.6 6.4 02
16 AMBTEMP °F ALPINE 49.6 48.3 49.2 50.1 49.9 49.5 49.2 48.7 49.3 50.1 03
CARMEL MT RCH 56.4 55.1 54.9 54.9 54.7 55.0 55.2 56.3 55.3 56.4 00
CHULA VISTA 57.3 57.6 58.0 58.0 57.3 57.2 56.4 58.8 57.6 58.8 07
DOWNTOWN SE 56.0 57.0 57.2 56.9 57.3 56.5 56.0 58.4 56.9 58.4 07
EL CAJON LES 55.4 55.5 56.0 56.7 56.7 56.7 55.8 55.7 56.1 56.7 03
KEARNY MESA 56.8 56.2 56.8 56.8 55.7 55.8 55.6 58.4 56.5 58.4 07
OTAY MESA DVN 55.4 56.1 55.6 55.4 55.4 55.3 54.5 55.9 55.5 56.1 01
PENDLETON 59.5 59.4 59.6 58.3 57.7 58.1 59.4 60.7 59.1 60.7 07
Current Date: 5/5/2026 8:09 AM
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 58.5 58.3 58.3 58.5 58.0 57.9 57.8 60.9 58.5 60.9 07
17 RELHUM % ALPINE 97 100 100 100 100 100 100 100 100 100 01
EL CAJON LES 98 100 100 97 96 92 94 95 97 100 01
KEARNY MESA 96 97 97 95 95 95 94 90 95 97 01
18 PRES mmHg EL CAJON LES 748 748 748 748 748 748 748 749 748 749 07
KEARNY MESA 749 749 748 748 748 749 749 749 749 749 00
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 2 30 69 242 44 242 07
KEARNY MESA 1 1 1 1 2 46 85 249 48 249 07
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 4 16 3 16 07
25 NOY EL CAJON LES .94 .76 .80 1.68 1.83 C C 2.22 1.37 2.22 07
26 NOY-NO EL CAJON LES .93 .74 .74 1.60 1.77 C C 1.82 1.26 1.82 07
27 NO Trace EL CAJON LES .00 .02 .05 .08 .05 C C .40 .10 .40 07
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 119.6 119.5 C C C 160.8 170.5 152.4 144.5 170.5 06
BCarbon ug/m3 10TH AVE MARIN .02 .04 < .02 .06 .09 .43 .38 .15 .43 06
ALPINE .03 .04 < .01 .01 .03 .05 .03 .03 .05 06
BOSTON AVE .05 .08 .25 .15 .30 .20 .42 .35 .23 .42 06
CHICANO PARK .55 < .06 .25 .09 .08 .32 .26 .23 .55 00
DOWNTOWN SE .18 < .02 .04 .07 .09 .25 .12 .11 .25 06
OCEANVIEW BLV .05 < .07 .14 .17 .19 < .14 .13 .19 05
OTAY MESA DVN .14 .39 .12 < .08 .04 .05 < .14 .39 01
SAN YSIDRO .05 .04 < .10 < .27 < .08 .11 .27 05
PM10 STD ALPINE 3.8 3.0 2.7 .7 .9 1.7 1.8 1.8 2.0 3.8 00
CARMEL MT RCH 6.3 3.8 5.5 8.0 9.2 18.3 16.3 16.8 10.5 18.3 05
CHULA VISTA 4.7 3.2 2.3 3.4 3.8 4.4 4.4 4.7 3.8 4.7 00
DOWNTOWN SE 4.8 3.4 3.0 3.6 5.1 3.8 7.0 8.3 4.8 8.3 07
EL CAJON LES 4.1 3.4 3.0 2.9 3.6 3.2 3.7 3.5 3.4 4.1 00
KEARNY MESA 4.4 3.3 4.5 5.3 4.7 5.9 6.9 5.7 5.0 6.9 06
OTAY MESA DVN 4.5 7.6 6.9 3.8 4.1 4.2 4.4 5.2 5.0 7.6 01
PENDLETON 4.1 4.1 8.3 8.0 7.9 9.9 7.8 13.1 7.9 13.1 07
SAN YSIDRO 10.1 9.3 6.1 6.6 10.0 9.3 6.7 8.2 8.2 10.1 00
RAINFALL EL CAJON LES .05 .01 .00 .00 .00 .00 .10 .00 .02 .10 06