Current Date: 5/23/2026 6:09 AM
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 .038 .038 00
CHULA VISTA .045 .045 C C .042 .041 .043 .045 00
DOWNTOWN SE .044 .043 C C .043 .041 .042 .044 00
EL CAJON LES .039 .041 C C C .040 .040 .041 01
KEARNY MESA .043 .044 C C .044 .044 .043 .044 01
OTAY MESA DVN .041 .041 C C .042 .042 .041 .042 04
PENDLETON .044 .044 C C .043 .044 .043 .044 00
03 NO2 PPB ALPINE 3.4 3.2 C C 2.5 3.2 3.0 3.4 00
CARMEL MT RCH 1.6 4.2 C C 4.9 6.5 4.3 6.5 05
CHULA VISTA 1.4 1.4 C C 2.6 3.3 2.1 3.3 05
DOWNTOWN SE 2.5 2.9 C C 2.5 3.4 2.8 3.4 05
EL CAJON LES 4.7 4.7 C C C 5.0 4.8 5.0 05
KEARNY MESA 1.7 1.4 C C 1.1 1.2 1.3 1.7 00
OTAY MESA DVN 2.0 1.7 C C 2.2 2.0 1.9 2.2 04
PENDLETON .8 .8 C C 1.4 1.5 1.1 1.5 05
SAN YSIDRO 1.3 1.3 C C 3.8 5.7 3.0 5.7 05
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .3 .2 .3 05
SAN YSIDRO .1 .1 C C .2 .2 .2 .2 04
07 H2S PPB IB CIVIC CTR .5 .4 .6 .6 .6 .6 .5 .6 02
NESTOR - BES .7 1.9 25.7 4.4 24.8 .6 9.6 25.7 02
SAN YSIDRO .6 .8 4.4 4.5 5.3 2.2 2.9 5.3 04
10 INTMP °C ALPINE 27 27 27 26 27 27 27 27 00
CARMEL MT RCH 24 24 25 25 25 25 25 25 02
CHULA VISTA 24 24 24 24 24 24 24 24 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 25 24 24 25 25 25 25 01
OTAY MESA DVN 24 24 24 24 24 24 24 24 00
PENDLETON 25 25 25 25 25 25 25 25 00
SAN YSIDRO 25 25 25 25 25 25 25 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 00
NESTOR - BES 26 26 26 26 26 26 26 26 00
11 PM2.5 µg/M3 ALPINE 15.0 15.8 14.4 13.6 13.4 13.5 14.2 15.8 01
CARMEL MT RCH 8.9 9.7 9.7 10.1 9.9 10.1 9.7 10.1 03
CHULA VISTA 9.1 9.0 8.9 8.8 9.5 9.7 9.1 9.7 05
DOWNTOWN SE 9.8 10.4 10.3 11.0 10.8 10.9 10.5 11.0 03
EL CAJON LES 10.9 10.9 10.7 11.4 11.3 11.6 11.1 11.6 05
KEARNY MESA 9.3 9.6 9.3 8.9 8.5 9.0 9.1 9.6 01
Current Date: 5/23/2026 6:09 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 11.3 11.0 10.8 12.4 12.1 12.1 11.6 12.4 03
PENDLETON 7.4 7.5 7.7 7.7 7.7 7.7 7.6 7.7 02
SAN YSIDRO 11.3 11.4 10.8 10.6 9.9 10.3 10.7 11.4 01
12 VWDR ° ALPINE 284 313 314 139 349 201 0 349 04
CHULA VISTA 248 212 276 274 316 304 0 316 04
DOWNTOWN SE 239 320 359 336 317 311 0 359 02
EL CAJON LES 127 353 312 314 321 259 0 353 01
KEARNY MESA 313 354 334 304 334 22 0 354 01
OTAY MESA DVN 295 317 301 35 56 46 0 317 01
PENDLETON 202 230 337 317 350 345 0 350 04
13 SIGTHETA ° ALPINE 38 43 52 67 56 61 53 67 03
CHULA VISTA 37 36 43 48 21 22 35 48 03
DOWNTOWN SE 25 44 27 32 49 48 38 49 04
EL CAJON LES 40 37 16 20 18 32 27 40 00
KEARNY MESA 20 58 40 11 29 32 32 58 01
OTAY MESA DVN 32 53 28 18 16 22 28 53 01
PENDLETON 28 31 45 54 18 29 34 54 03
14 VWSP MPH ALPINE 1.7 2.0 .9 .1 1.3 .8 .0 2.0 01
CHULA VISTA 1.9 1.8 1.6 .6 2.5 2.3 .0 2.5 04
DOWNTOWN SE 2.3 1.7 2.5 2.4 1.7 1.7 .0 2.5 02
EL CAJON LES 1.5 1.6 4.0 3.5 3.1 2.2 .0 4.0 02
KEARNY MESA 2.4 1.6 1.4 3.7 2.9 2.5 .0 3.7 03
OTAY MESA DVN 1.5 1.2 2.0 3.5 4.4 3.2 .0 4.4 04
PENDLETON 2.6 1.8 1.7 1.3 3.0 2.5 .0 3.0 04
15 SWSP MPH ALPINE 2.0 2.4 1.9 1.6 1.9 1.7 1.9 2.4 01
CHULA VISTA 2.5 2.2 2.3 1.8 2.7 2.5 2.3 2.7 04
DOWNTOWN SE 2.6 2.4 2.9 2.9 2.1 2.3 2.5 2.9 02
EL CAJON LES 1.9 2.8 4.2 3.7 3.3 2.9 3.1 4.2 02
KEARNY MESA 2.6 2.7 2.2 3.8 3.3 3.9 3.1 3.9 05
OTAY MESA DVN 2.5 2.3 2.5 3.8 4.6 3.5 3.2 4.6 04
PENDLETON 3.3 2.3 2.2 1.8 3.3 2.6 2.6 3.3 00
16 AMBTEMP °F ALPINE 54.5 54.4 53.9 54.2 53.7 54.0 54.1 54.5 00
CARMEL MT RCH 59.9 59.8 60.0 60.1 60.2 60.1 60.0 60.2 04
CHULA VISTA 63.3 63.2 63.4 63.3 63.1 63.1 63.2 63.4 02
DOWNTOWN SE 62.8 62.9 62.8 62.6 62.2 62.5 62.6 62.9 01
EL CAJON LES 62.5 63.1 62.9 62.9 62.9 62.5 62.8 63.1 01
KEARNY MESA 62.0 62.2 62.2 62.0 61.9 62.0 62.1 62.2 01
OTAY MESA DVN 60.4 60.5 60.7 60.8 60.7 60.8 60.7 60.8 03
PENDLETON 63.1 63.1 63.1 63.1 62.9 62.9 63.0 63.1 00
Current Date: 5/23/2026 6:09 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 63.7 63.8 63.5 63.5 63.5 63.8 63.6 63.8 01
17 RELHUM % ALPINE 97 97 97 94 94 93 95 97 00
EL CAJON LES 79 76 76 75 74 75 76 79 00
KEARNY MESA 79 78 77 76 76 76 77 79 00
18 PRES mmHg EL CAJON LES 747 747 747 747 747 747 747 747 00
KEARNY MESA 748 748 748 748 748 748 748 748 00
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 4 38 8 38 05
KEARNY MESA 1 1 1 1 3 40 8 40 05
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 3 1 3 05
25 NOY EL CAJON LES 2.21 2.30 2.25 2.14 1.90 C 2.16 2.30 01
26 NOY-NO EL CAJON LES 2.20 2.29 2.23 2.12 1.87 C 2.14 2.29 01
27 NO Trace EL CAJON LES .01 .01 .01 .02 .02 C .01 .02 03
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 166.1 163.5 C C C 168.2 165.9 168.2 05
BCarbon ug/m3 10TH AVE MARIN .09 .10 < .11 .13 .13 .11 .13 04
ALPINE < .18 .17 .16 .16 .17 .17 .18 01
BOSTON AVE .14 .17 .18 .19 .22 .23 .19 .23 05
CHICANO PARK .13 .13 .13 < .18 .20 .15 .20 05
DOWNTOWN SE .12 < .15 < .16 .14 .14 .16 04
OCEANVIEW BLV .15 < .14 < < .17 .15 .17 05
OTAY MESA DVN .14 .13 .12 .15 .17 < .14 .17 04
SAN YSIDRO < .13 .12 .14 .12 < .13 .14 03
PM10 STD ALPINE 31.1 32.2 29.8 29.1 28.0 29.5 29.9 32.2 01
CARMEL MT RCH 19.7 21.3 21.8 21.8 20.9 23.2 21.4 23.2 05
CHULA VISTA 22.5 22.0 21.5 22.2 22.2 22.4 22.1 22.5 00
DOWNTOWN SE 24.2 23.3 22.3 24.7 24.1 24.2 23.8 24.7 03
EL CAJON LES 25.1 25.6 24.5 26.1 26.4 26.5 25.7 26.5 05
KEARNY MESA 21.3 23.1 20.9 20.7 20.6 20.6 21.2 23.1 01
OTAY MESA DVN 26.5 25.3 27.5 34.1 33.6 31.6 29.7 34.1 03
PENDLETON 17.2 19.5 20.5 21.6 20.0 20.7 19.9 21.6 03
SAN YSIDRO 30.1 27.3 25.2 27.1 25.0 27.7 27.0 30.1 00
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 00