Current Date: 4/29/2026 4:09 AM
Daily Parameter Report
4/29/2026
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 .042 C C .040 .042 01
CHULA VISTA .018 .025 C C .021 .025 01
DOWNTOWN SE .021 .025 C C .023 .025 01
EL CAJON LES .024 .023 .022 C .023 .024 00
KEARNY MESA .025 .026 C C .025 .026 01
OTAY MESA DVN .036 .036 C C .036 .036 00
PENDLETON .025 .021 C C .023 .025 00
03 NO2 PPB ALPINE 3.0 2.6 C C 2.8 3.0 00
CARMEL MT RCH 7.2 6.1 C C 6.6 7.2 00
CHULA VISTA 14.4 6.4 C C 10.4 14.4 00
DOWNTOWN SE 11.8 8.6 C C 10.2 11.8 00
EL CAJON LES 3.7 2.5 2.6 C 2.9 3.7 00
KEARNY MESA 4.6 4.2 C C 4.4 4.6 00
OTAY MESA DVN 3.0 2.6 C C 2.8 3.0 00
PENDLETON 6.7 7.6 C C 7.1 7.6 01
SAN YSIDRO 13.6 8.9 C C 11.2 13.6 00
06 CO PPM CARMEL MT RCH .4 .3 C C .4 .4 00
SAN YSIDRO .3 .2 C C .3 .3 00
07 H2S PPB IB CIVIC CTR 14.4 5.1 1.6 .7 5.4 14.4 00
NESTOR - BES 19.9 6.7 1.4 .8 7.2 19.9 00
SAN YSIDRO .6 .5 .5 .9 .6 .9 03
10 INTMP °C ALPINE 27 27 27 27 27 27 00
CARMEL MT RCH 25 25 25 25 25 25 00
CHULA VISTA 25 25 25 25 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 00
KEARNY MESA 24 24 25 24 24 25 02
OTAY MESA DVN 27 26 26 26 26 27 00
PENDLETON 25 25 24 24 25 25 00
SAN YSIDRO 24 24 24 24 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 28 27 28 03
NESTOR - BES 27 26 26 26 26 27 00
11 PM2.5 µg/M3 ALPINE 5.7 5.6 5.6 5.4 5.5 5.7 00
CARMEL MT RCH 6.6 6.3 6.7 6.5 6.5 6.7 02
CHULA VISTA 6.3 6.2 5.9 5.9 6.0 6.3 00
DOWNTOWN SE 8.0 8.2 8.5 8.3 8.2 8.5 02
EL CAJON LES 6.5 6.0 5.8 5.7 6.0 6.5 00
KEARNY MESA 6.0 6.1 7.1 7.0 6.5 7.1 02
Current Date: 4/29/2026 4:09 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 9.3 7.1 7.6 8.6 8.1 9.3 00
PENDLETON 6.4 6.6 6.2 6.5 6.4 6.6 01
SAN YSIDRO 8.1 6.9 7.1 8.5 7.6 8.5 03
12 VWDR ° ALPINE 78 15 335 355 0 355 03
CHULA VISTA 82 83 73 58 0 83 01
DOWNTOWN SE 42 55 44 346 0 346 03
EL CAJON LES 82 81 82 94 0 94 03
KEARNY MESA 86 70 70 52 0 86 00
OTAY MESA DVN 36 76 101 22 0 101 02
PENDLETON 42 42 53 57 0 57 03
13 SIGTHETA ° ALPINE 25 17 49 41 33 49 02
CHULA VISTA 22 31 33 41 32 41 03
DOWNTOWN SE 17 23 19 45 26 45 03
EL CAJON LES 19 12 19 22 18 22 03
KEARNY MESA 12 12 10 8 11 12 00
OTAY MESA DVN 14 15 25 34 22 34 03
PENDLETON 16 9 10 9 11 16 00
14 VWSP MPH ALPINE 1.4 1.8 1.5 .9 .0 1.8 01
CHULA VISTA 1.1 1.9 1.3 1.7 .0 1.9 01
DOWNTOWN SE 1.8 2.3 2.9 1.2 .0 2.9 02
EL CAJON LES 2.4 3.5 2.4 2.0 .0 3.5 01
KEARNY MESA 2.8 3.8 3.5 3.6 .0 3.8 01
OTAY MESA DVN 2.9 2.0 2.7 3.2 .0 3.2 03
PENDLETON 2.7 4.9 5.8 5.2 .0 5.8 02
15 SWSP MPH ALPINE 1.7 1.8 1.7 1.3 1.6 1.8 01
CHULA VISTA 1.2 2.0 1.6 2.1 1.7 2.1 03
DOWNTOWN SE 1.9 2.5 3.2 1.5 2.3 3.2 02
EL CAJON LES 2.5 3.6 2.7 2.2 2.8 3.6 01
KEARNY MESA 2.9 3.9 3.7 3.7 3.6 3.9 01
OTAY MESA DVN 3.2 2.2 2.9 3.5 3.0 3.5 03
PENDLETON 2.9 5.0 5.9 5.3 4.8 5.9 02
16 AMBTEMP °F ALPINE 50.7 51.0 50.9 51.0 50.9 51.0 01
CARMEL MT RCH 54.6 53.6 52.4 52.5 53.3 54.6 00
CHULA VISTA 57.0 56.2 55.1 54.3 55.7 57.0 00
DOWNTOWN SE 57.9 57.1 56.2 55.0 56.6 57.9 00
EL CAJON LES 54.6 53.3 52.3 51.2 52.9 54.6 00
KEARNY MESA 53.6 53.1 52.9 52.8 53.1 53.6 00
OTAY MESA DVN 56.3 55.7 54.3 53.9 55.1 56.3 00
PENDLETON 54.3 52.9 52.0 52.0 52.8 54.3 00
Current Date: 4/29/2026 4:09 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 56.9 56.3 55.1 54.5 55.7 56.9 00
17 RELHUM % ALPINE 84 85 84 79 83 85 01
EL CAJON LES 82 83 83 84 83 84 03
KEARNY MESA 91 92 91 90 91 92 01
18 PRES mmHg EL CAJON LES 751 750 750 750 750 751 00
KEARNY MESA 751 751 751 751 751 751 00
19 SOLAR W/M2 EL CAJON LES -1 -1 -1 -1 -1 -1 00
KEARNY MESA 2 1 1 1 1 2 00
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 00
25 NOY EL CAJON LES 3.87 2.70 2.73 3.35 3.16 3.87 00
26 NOY-NO EL CAJON LES 3.86 2.67 2.68 3.31 3.13 3.86 00
27 NO Trace EL CAJON LES .01 .02 .04 .04 .02 .04 02
28 SO2 Tr PPB EL CAJON LES .0 .0 .0 C .0 .0 00
29 CO Tr PPB EL CAJON LES 163.3 148.0 148.4 C 153.2 163.3 00
BCarbon ug/m3 10TH AVE MARIN < 7.55 1.04 .34 2.98 7.55 01
ALPINE .11 < < < .11 .11 00
BOSTON AVE .61 .69 .51 .50 .58 .69 01
CHICANO PARK < < .30 .32 .31 .32 03
DOWNTOWN SE .49 < < .31 .40 .49 00
OCEANVIEW BLV .45 .47 < .21 .38 .47 01
OTAY MESA DVN .31 .17 .28 .27 .26 .31 00
SAN YSIDRO .91 < < .82 .87 .91 00
PM10 STD ALPINE 13.2 12.5 13.3 13.2 13.0 13.3 02
CARMEL MT RCH 15.2 14.0 14.2 14.0 14.3 15.2 00
CHULA VISTA 14.3 14.2 12.9 12.6 13.5 14.3 00
DOWNTOWN SE 17.9 19.3 19.7 18.5 18.8 19.7 02
EL CAJON LES 15.1 12.7 12.5 12.3 13.1 15.1 00
KEARNY MESA 13.6 14.1 15.9 15.3 14.7 15.9 02
OTAY MESA DVN 46.9 26.2 23.9 36.0 33.2 46.9 00
PENDLETON 13.9 13.3 13.0 14.4 13.6 14.4 03
SAN YSIDRO 19.0 15.9 16.9 21.9 18.4 21.9 03
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 00