Current Date: 5/24/2026 7:09 AM
Daily Parameter Report
5/24/2026
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 .044 C C .041 .041 .041 .041 .041 .044 00
CHULA VISTA .047 C C .047 .046 .047 .046 .046 .047 00
DOWNTOWN SE .048 C C .047 .046 .045 .044 .046 .048 00
EL CAJON LES .046 C C C .044 .043 .044 .044 .046 00
KEARNY MESA .048 C C .048 .047 .047 .047 .047 .048 00
OTAY MESA DVN .045 C C .044 .045 .045 .045 .044 .045 00
PENDLETON .050 C C .048 .049 .048 .047 .048 .050 00
03 NO2 PPB ALPINE 1.9 C C 2.1 2.2 2.2 2.3 2.1 2.3 06
CARMEL MT RCH 3.6 C C 2.7 3.5 5.6 5.5 4.1 5.6 05
CHULA VISTA 1.9 C C 1.8 1.5 1.6 2.3 1.8 2.3 06
DOWNTOWN SE 1.9 C C 1.7 2.1 2.8 3.6 2.4 3.6 06
EL CAJON LES 3.4 C C C 3.8 4.2 4.5 3.9 4.5 06
KEARNY MESA .5 C C .5 .8 .8 .7 .6 .8 04
OTAY MESA DVN 1.8 C C 1.2 1.2 1.6 1.3 1.4 1.8 00
PENDLETON .8 C C .7 .9 1.0 1.0 .8 1.0 05
SAN YSIDRO 1.8 C C 1.4 2.3 4.8 3.6 2.7 4.8 05
06 CO PPM CARMEL MT RCH .3 C C .2 .2 .3 .3 .3 .3 00
SAN YSIDRO .1 C C .1 .2 .2 .2 .2 .2 04
07 H2S PPB IB CIVIC CTR .6 .6 .6 .6 .5 .6 .6 .5 .6 00
NESTOR - BES .5 .8 .5 .5 .5 .5 .5 .5 .8 01
SAN YSIDRO 10.2 5.1 8.2 2.9 .4 .5 1.2 4.0 10.2 00
10 INTMP °C ALPINE 27 26 27 27 27 27 27 27 27 00
CARMEL MT RCH 25 25 25 25 25 24 25 25 25 00
CHULA VISTA 24 24 24 24 24 24 24 24 24 00
DOWNTOWN SE 25 25 24 24 24 24 24 24 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 25 24 24 25 25 25 24 25 25 00
OTAY MESA DVN 24 24 24 24 24 24 24 24 24 00
PENDLETON 25 25 25 25 25 25 25 25 25 00
SAN YSIDRO 25 25 25 26 26 26 25 25 26 03
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 00
NESTOR - BES 26 26 26 26 26 26 26 26 26 00
11 PM2.5 µg/M3 ALPINE 8.6 8.0 8.2 8.4 8.3 8.7 8.8 8.4 8.8 06
CARMEL MT RCH 6.7 5.9 6.1 6.4 6.9 6.5 6.6 6.4 6.9 04
CHULA VISTA 7.0 7.3 5.9 5.3 5.3 4.9 5.3 5.8 7.3 01
DOWNTOWN SE 6.5 6.0 6.4 6.1 6.1 6.3 7.4 6.4 7.4 06
EL CAJON LES 7.3 7.0 7.2 6.9 6.9 7.1 7.2 7.0 7.3 00
KEARNY MESA 5.0 5.3 5.2 5.2 5.5 5.8 6.3 5.4 6.3 06
Current Date: 5/24/2026 7:09 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 8.2 8.1 8.0 8.0 7.8 7.5 7.6 7.8 8.2 00
PENDLETON 5.4 5.4 5.4 5.3 5.7 6.0 5.5 5.5 6.0 05
SAN YSIDRO 7.8 8.2 7.1 6.2 5.8 5.7 5.8 6.6 8.2 01
12 VWDR ° ALPINE 301 324 356 7 345 293 36 0 356 02
CHULA VISTA 297 316 15 325 285 284 292 0 325 03
DOWNTOWN SE 321 305 316 319 305 318 289 0 321 00
EL CAJON LES 359 305 299 288 258 278 331 0 359 00
KEARNY MESA 301 293 280 280 274 284 284 0 301 00
OTAY MESA DVN 317 309 316 15 317 344 353 0 353 06
PENDLETON 248 194 193 230 224 308 306 0 308 05
13 SIGTHETA ° ALPINE 52 59 65 33 56 27 56 50 65 02
CHULA VISTA 27 28 50 24 21 15 20 26 50 02
DOWNTOWN SE 31 26 28 22 21 25 35 27 35 06
EL CAJON LES 59 37 46 40 30 53 46 44 59 00
KEARNY MESA 10 9 11 51 12 14 26 19 51 03
OTAY MESA DVN 14 19 19 24 33 24 33 24 33 04
PENDLETON 14 22 21 29 35 13 14 21 35 04
14 VWSP MPH ALPINE 1.5 .8 1.0 1.5 1.0 1.9 .3 .0 1.9 05
CHULA VISTA 2.6 2.6 1.4 2.7 3.6 4.8 3.9 .0 4.8 05
DOWNTOWN SE 3.1 4.2 3.4 3.4 4.0 3.3 1.9 .0 4.2 01
EL CAJON LES 1.6 2.5 1.7 1.7 1.9 .9 1.5 .0 2.5 01
KEARNY MESA 5.8 5.7 4.4 2.1 4.2 4.3 3.3 .0 5.8 00
OTAY MESA DVN 4.8 4.4 2.7 2.9 2.6 2.8 2.1 .0 4.8 00
PENDLETON 3.6 2.5 2.5 2.1 2.0 5.0 4.5 .0 5.0 05
15 SWSP MPH ALPINE 2.1 1.5 1.8 2.2 1.9 2.2 1.7 1.9 2.2 03
CHULA VISTA 3.0 3.0 2.4 3.0 3.8 5.0 4.2 3.5 5.0 05
DOWNTOWN SE 3.6 4.7 4.0 3.6 4.3 3.6 3.5 3.9 4.7 01
EL CAJON LES 2.4 3.2 2.7 2.2 2.1 2.2 2.2 2.4 3.2 01
KEARNY MESA 5.9 5.7 4.5 2.5 4.3 4.4 3.7 4.4 5.9 00
OTAY MESA DVN 5.0 4.6 3.3 3.4 2.9 3.6 3.5 3.8 5.0 00
PENDLETON 3.7 2.9 2.8 2.3 2.5 5.1 4.6 3.4 5.1 05
16 AMBTEMP °F ALPINE 55.1 55.0 55.0 55.3 54.9 54.9 55.1 55.0 55.3 03
CARMEL MT RCH 61.3 60.9 60.7 61.2 61.4 61.1 61.5 61.2 61.5 06
CHULA VISTA 63.8 63.8 63.6 63.5 63.2 63.1 63.6 63.5 63.8 00
DOWNTOWN SE 63.4 62.9 62.8 62.7 62.5 62.8 63.1 62.9 63.4 00
EL CAJON LES 63.0 63.0 62.9 62.8 62.8 63.0 63.6 63.0 63.6 06
KEARNY MESA 62.4 62.1 62.0 62.1 62.1 62.3 62.8 62.3 62.8 06
OTAY MESA DVN 61.5 61.4 61.3 61.3 61.1 61.2 61.7 61.4 61.7 06
PENDLETON 64.1 64.0 64.1 64.2 64.2 63.6 62.9 63.9 64.2 03
Current Date: 5/24/2026 7:09 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 64.0 63.9 63.7 64.1 63.8 63.8 64.3 63.9 64.3 06
17 RELHUM % ALPINE 93 93 93 91 92 92 92 92 93 00
EL CAJON LES 76 77 77 78 78 77 76 77 78 03
KEARNY MESA 79 79 79 78 78 78 77 78 79 00
18 PRES mmHg EL CAJON LES 749 749 749 749 749 749 749 749 749 00
KEARNY MESA 750 750 750 750 749 750 750 750 750 00
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 3 18 53 12 53 06
KEARNY MESA 1 1 1 1 2 18 55 11 55 06
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 4 1 4 06
25 NOY EL CAJON LES 1.20 1.12 1.20 1.13 C C 1.61 1.25 1.61 06
26 NOY-NO EL CAJON LES 1.19 1.11 1.19 1.12 C C 1.51 1.22 1.51 06
27 NO Trace EL CAJON LES .01 .00 .01 .00 C C .10 .02 .10 06
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 142.2 C C C 148.6 147.1 161.3 149.8 161.3 06
BCarbon ug/m3 10TH AVE MARIN < .08 .07 .07 < < .11 .08 .11 06
ALPINE .11 .10 .10 < < .11 < .11 .11 00
BOSTON AVE .16 .18 .13 .14 .17 .18 .19 .16 .19 06
CHICANO PARK < .11 .11 < .10 .12 .14 .12 .14 06
DOWNTOWN SE .12 .10 .09 .09 .10 .13 .14 .11 .14 06
OCEANVIEW BLV .13 .12 .11 < .11 .13 .14 .12 .14 06
OTAY MESA DVN .16 .17 .16 .11 .10 .10 .09 .13 .17 01
SAN YSIDRO .12 .13 < .09 < .10 .13 .11 .13 01
PM10 STD ALPINE 20.0 19.2 19.7 18.0 19.3 20.0 19.7 19.4 20.0 00
CARMEL MT RCH 15.6 14.8 14.7 14.0 15.2 13.9 16.3 14.9 16.3 06
CHULA VISTA 16.8 15.7 14.2 12.1 13.5 12.1 12.9 13.9 16.8 00
DOWNTOWN SE 15.5 14.8 14.2 14.4 14.8 14.7 17.3 15.1 17.3 06
EL CAJON LES 17.8 16.6 17.8 16.3 16.0 16.5 17.3 16.9 17.8 00
KEARNY MESA 11.6 12.4 11.4 12.1 13.6 12.4 14.9 12.6 14.9 06
OTAY MESA DVN 19.1 18.4 17.9 18.2 17.8 18.1 18.0 18.2 19.1 00
PENDLETON 13.5 14.5 12.3 12.2 12.8 17.0 14.4 13.8 17.0 05
SAN YSIDRO 18.1 21.2 18.1 15.1 15.3 14.5 14.5 16.6 21.2 01
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 00