Current Date: 4/27/2026 7:09 AM
Daily Parameter Report
4/27/2026
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 .045 .045 C C .044 .039 .032 .041 .045 00
CHULA VISTA .036 .034 C C .022 .028 .037 .031 .037 06
DOWNTOWN SE .045 .048 C C .017 .031 .020 .032 .048 01
EL CAJON LES .025 .025 C C C .013 .018 .020 .025 00
KEARNY MESA .026 .025 C C .017 .012 .020 .020 .026 00
OTAY MESA DVN .038 .037 C C .028 .027 .028 .031 .038 00
PENDLETON .038 .036 C C .022 .024 .027 .029 .038 00
03 NO2 PPB ALPINE 1.7 1.7 C C 2.5 4.5 8.5 3.7 8.5 06
CARMEL MT RCH 6.1 13.3 C C 14.8 13.7 8.9 11.3 14.8 04
CHULA VISTA 6.5 5.9 C C 10.3 10.1 8.6 8.2 10.3 04
DOWNTOWN SE 2.8 1.7 C C 15.7 9.3 16.3 9.1 16.3 06
EL CAJON LES 4.4 3.5 C C C 9.2 9.7 6.7 9.7 06
KEARNY MESA 7.3 7.5 C C 11.7 13.2 9.5 9.8 13.2 05
OTAY MESA DVN 2.8 3.0 C C 8.2 9.0 10.8 6.7 10.8 06
PENDLETON 2.8 3.2 C C 6.0 6.2 4.2 4.4 6.2 05
SAN YSIDRO 9.7 6.0 C C 15.6 16.8 7.6 11.1 16.8 05
06 CO PPM CARMEL MT RCH .4 .4 C C .4 .4 .4 .4 .4 00
SAN YSIDRO .3 .2 C C .3 .4 .3 .3 .4 05
07 H2S PPB IB CIVIC CTR .5 .4 .4 .5 2.1 1.7 .7 .9 2.1 04
NESTOR - BES 49.6 1.1 .4 29.3 2.3 2.1 .6 12.2 49.6 00
SAN YSIDRO 3.8 9.7 6.7 .6 1.1 1.2 .5 3.3 9.7 01
10 INTMP °C ALPINE 26 25 25 25 25 25 25 25 26 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 24 25 25 25 24 25 25 25 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 25 24 24 24 24 24 24 24 25 00
OTAY MESA DVN 29 28 28 28 28 28 27 28 29 00
PENDLETON 26 26 26 26 26 25 25 26 26 00
SAN YSIDRO 24 24 24 24 24 24 24 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 27 27 00
NESTOR - BES 26 26 26 26 26 26 26 26 26 00
11 PM2.5 µg/M3 ALPINE 3.2 3.3 3.6 3.5 3.7 3.9 4.2 3.6 4.2 06
CARMEL MT RCH 4.0 4.1 4.2 4.2 4.4 5.4 4.6 4.4 5.4 05
CHULA VISTA 3.5 3.6 3.6 3.9 3.7 4.1 4.3 3.8 4.3 06
DOWNTOWN SE 4.1 4.2 4.6 4.7 4.9 4.9 5.8 4.7 5.8 06
EL CAJON LES 3.7 3.6 3.8 3.7 4.1 4.3 4.8 4.0 4.8 06
KEARNY MESA 3.9 3.6 3.8 3.9 4.0 4.6 4.6 4.0 4.6 05
Current Date: 4/27/2026 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 3.5 3.5 3.5 3.6 7.4 6.3 6.5 4.9 7.4 04
PENDLETON 4.5 4.5 4.6 4.7 4.6 4.6 4.6 4.5 4.7 03
SAN YSIDRO 4.7 4.3 4.0 4.3 6.3 7.8 3.6 5.0 7.8 05
12 VWDR ° ALPINE 352 313 306 342 16 255 277 0 352 00
CHULA VISTA 2 44 64 105 110 296 86 0 296 05
DOWNTOWN SE 324 310 342 76 81 3 81 0 342 02
EL CAJON LES 102 94 87 103 224 315 126 0 315 05
KEARNY MESA 58 85 64 68 90 74 77 0 90 04
OTAY MESA DVN 24 49 50 36 119 123 345 0 345 06
PENDLETON 30 70 61 46 52 40 52 0 70 01
13 SIGTHETA ° ALPINE 23 28 43 25 28 59 23 33 59 05
CHULA VISTA 34 37 26 15 23 37 19 27 37 01
DOWNTOWN SE 24 26 32 19 23 35 20 26 35 05
EL CAJON LES 20 21 46 30 45 42 32 34 46 02
KEARNY MESA 8 20 8 11 30 36 10 18 36 05
OTAY MESA DVN 39 56 11 11 36 9 41 29 56 01
PENDLETON 21 9 18 12 10 10 18 14 21 00
14 VWSP MPH ALPINE 2.2 1.2 .7 1.2 1.3 .5 2.0 .0 2.2 00
CHULA VISTA 1.3 1.3 1.9 2.3 2.3 2.0 2.6 .0 2.6 06
DOWNTOWN SE 3.4 3.4 1.7 2.1 2.1 1.9 2.8 .0 3.4 00
EL CAJON LES 2.0 1.5 1.0 1.9 .5 1.2 2.2 .0 2.2 06
KEARNY MESA 3.0 2.2 3.1 3.5 2.0 1.1 2.8 .0 3.5 03
OTAY MESA DVN 2.4 .3 3.6 3.6 2.3 3.8 2.8 .0 3.8 05
PENDLETON 3.6 3.9 3.5 5.7 4.8 4.6 3.8 .0 5.7 03
15 SWSP MPH ALPINE 2.4 1.3 1.0 1.3 1.4 1.0 2.2 1.5 2.4 00
CHULA VISTA 1.5 1.8 2.0 2.4 2.4 4.0 2.8 2.4 4.0 05
DOWNTOWN SE 3.7 3.7 2.1 2.2 2.3 3.6 3.0 2.9 3.7 00
EL CAJON LES 2.2 1.7 1.3 2.1 1.1 2.0 3.1 1.9 3.1 06
KEARNY MESA 3.0 2.6 3.2 3.6 2.2 3.2 2.8 2.9 3.6 03
OTAY MESA DVN 3.3 1.4 3.8 3.7 2.9 3.9 6.1 3.6 6.1 06
PENDLETON 4.4 4.0 4.0 5.9 5.0 4.7 4.1 4.6 5.9 03
16 AMBTEMP °F ALPINE 49.1 49.3 48.9 48.9 48.8 48.9 48.6 48.9 49.3 01
CARMEL MT RCH 53.0 53.8 52.9 53.7 54.3 53.8 54.1 53.7 54.3 04
CHULA VISTA 59.5 59.1 58.4 57.9 57.7 56.8 56.2 57.9 59.5 00
DOWNTOWN SE 60.6 60.4 59.9 58.3 57.8 55.6 55.8 58.3 60.6 00
EL CAJON LES 55.3 54.8 53.7 52.8 52.9 53.9 54.4 54.0 55.3 00
KEARNY MESA 54.3 53.9 53.8 54.5 54.9 54.6 56.0 54.6 56.0 06
OTAY MESA DVN 55.6 55.5 54.8 54.9 54.6 54.8 54.0 54.9 55.6 00
PENDLETON 58.8 57.9 57.9 57.3 56.0 56.0 58.1 57.4 58.8 00
Current Date: 4/27/2026 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 59.4 59.1 58.9 57.8 57.8 57.2 56.8 58.1 59.4 00
17 RELHUM % ALPINE 86 83 84 85 88 88 94 87 94 06
EL CAJON LES 76 76 80 82 83 82 88 81 88 06
KEARNY MESA 78 80 82 83 84 91 87 84 91 05
18 PRES mmHg EL CAJON LES 749 749 749 749 749 749 749 749 749 00
KEARNY MESA 750 750 749 750 749 750 750 750 750 00
19 SOLAR W/M2 EL CAJON LES 2 1 -1 1 1 17 89 16 89 06
KEARNY MESA 2 1 2 2 1 13 151 25 151 06
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 6 1 6 06
25 NOY EL CAJON LES 4.23 3.19 4.12 4.12 5.14 C C 4.16 5.14 04
26 NOY-NO EL CAJON LES 4.18 3.16 4.09 4.06 4.93 C C 4.08 4.93 04
27 NO Trace EL CAJON LES .04 .03 .02 .05 .21 C C .07 .21 04
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 147.6 136.4 C C C 231.1 250.4 191.3 250.4 06
BCarbon ug/m3 10TH AVE MARIN .10 .08 < .19 .55 .51 .41 .31 .55 04
ALPINE .04 .03 .04 .04 .05 .13 < .06 .13 05
BOSTON AVE .09 .09 .18 .29 2.03 .62 .48 .54 2.03 04
CHICANO PARK .08 .09 .08 .22 .51 .28 < .21 .51 04
DOWNTOWN SE < .06 .07 .17 .30 .22 .39 .20 .39 06
OCEANVIEW BLV .14 .06 < .21 5.72 < .32 1.29 5.72 04
OTAY MESA DVN < .07 < .05 .87 .49 .56 .41 .87 04
SAN YSIDRO < .09 .10 < .67 .77 .15 .36 .77 05
PM10 STD ALPINE 7.1 7.4 8.2 7.8 8.3 9.1 10.3 8.3 10.3 06
CARMEL MT RCH 8.5 8.8 9.4 9.1 10.6 14.6 9.7 10.1 14.6 05
CHULA VISTA 8.3 8.3 8.0 9.4 8.9 10.6 10.5 9.1 10.6 05
DOWNTOWN SE 9.2 11.7 11.7 10.9 12.5 11.6 13.5 11.5 13.5 06
EL CAJON LES 7.5 7.4 7.8 7.7 8.2 9.5 11.7 8.5 11.7 06
KEARNY MESA 10.1 8.0 9.1 9.8 9.0 11.2 11.4 9.8 11.4 06
OTAY MESA DVN 10.5 8.0 7.6 8.6 14.1 13.8 14.7 11.0 14.7 06
PENDLETON 11.1 9.9 10.1 10.0 9.5 10.4 9.4 10.0 11.1 00
SAN YSIDRO 14.2 15.5 10.9 10.8 15.5 20.2 8.7 13.6 20.2 05
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 00