Current Date: 5/9/2026 5:09 AM
Daily Parameter Report
5/9/2026
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 .049 .052 C C .042 .047 .052 01
CHULA VISTA .040 .040 C C .043 .041 .043 04
DOWNTOWN SE .037 .039 C C .042 .039 .042 04
EL CAJON LES .030 .031 C C C .030 .031 01
KEARNY MESA .037 .036 C C .039 .037 .039 04
OTAY MESA DVN .034 .035 C C .033 .034 .035 01
PENDLETON .043 .043 C C .043 .043 .043 00
03 NO2 PPB ALPINE 3.5 3.4 C C 4.4 3.7 4.4 04
CARMEL MT RCH 3.8 5.0 C C 2.3 3.7 5.0 01
CHULA VISTA 2.7 2.4 C C 1.9 2.3 2.7 00
DOWNTOWN SE 3.8 3.4 C C 2.4 3.2 3.8 00
EL CAJON LES 2.8 2.5 C C C 2.6 2.8 00
KEARNY MESA 2.3 2.0 C C 2.7 2.3 2.7 04
OTAY MESA DVN 3.3 2.8 C C 2.5 2.8 3.3 00
PENDLETON 1.5 1.3 C C 1.5 1.4 1.5 00
SAN YSIDRO 3.2 3.1 C C 4.2 3.5 4.2 04
06 CO PPM CARMEL MT RCH .2 .2 C C .1 .2 .2 00
SAN YSIDRO .2 .2 C C .2 .2 .2 00
07 H2S PPB IB CIVIC CTR .6 .6 .6 .6 .5 .5 .6 00
NESTOR - BES .8 1.3 .8 2.9 1.0 1.3 2.9 03
SAN YSIDRO 4.0 7.8 10.2 7.1 3.7 6.5 10.2 02
10 INTMP °C ALPINE 27 27 27 26 27 27 27 00
CARMEL MT RCH 24 24 25 25 25 25 25 02
CHULA VISTA 24 24 24 24 25 24 25 04
DOWNTOWN SE 24 25 25 25 25 25 25 01
EL CAJON LES 26 26 26 26 26 26 26 00
KEARNY MESA 24 25 25 25 24 25 25 01
OTAY MESA DVN 27 27 27 27 27 27 27 00
PENDLETON 26 26 26 26 26 26 26 00
SAN YSIDRO 25 25 25 25 25 25 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 00
NESTOR - BES 26 26 26 26 26 26 26 00
11 PM2.5 µg/M3 ALPINE 6.8 6.7 6.0 5.9 5.2 6.1 6.8 00
CARMEL MT RCH 9.5 10.1 10.7 10.9 10.8 10.4 10.9 03
CHULA VISTA 9.2 9.3 9.5 9.4 9.4 9.3 9.5 02
DOWNTOWN SE 13.1 12.2 10.8 11.3 10.8 11.6 13.1 00
EL CAJON LES 12.5 13.2 13.6 14.0 12.9 13.2 14.0 03
KEARNY MESA 9.8 9.9 10.6 10.6 10.3 10.2 10.6 02
Current Date: 5/9/2026 5:09 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 14.5 14.7 14.8 15.7 16.4 15.2 16.4 04
PENDLETON 8.8 9.1 8.3 9.0 8.9 8.8 9.1 01
SAN YSIDRO 11.8 12.1 12.0 13.5 13.7 12.6 13.7 04
12 VWDR ° ALPINE 34 322 63 305 101 0 322 01
CHULA VISTA 262 267 252 292 296 0 296 04
DOWNTOWN SE 335 263 254 229 223 0 335 00
EL CAJON LES 203 176 176 145 133 0 203 00
KEARNY MESA 65 56 47 271 269 0 271 03
OTAY MESA DVN 35 335 337 32 21 0 337 02
PENDLETON 170 178 163 165 157 0 178 01
13 SIGTHETA ° ALPINE 50 40 33 34 52 42 52 04
CHULA VISTA 40 29 40 30 28 33 40 00
DOWNTOWN SE 52 41 19 32 15 32 52 00
EL CAJON LES 25 47 48 44 50 43 50 04
KEARNY MESA 40 13 23 30 12 24 40 00
OTAY MESA DVN 38 18 27 17 20 24 38 00
PENDLETON 15 17 22 24 15 19 24 03
14 VWSP MPH ALPINE .6 1.0 1.1 1.2 .3 .0 1.2 03
CHULA VISTA 1.9 2.4 1.8 2.7 2.2 .0 2.7 03
DOWNTOWN SE 1.7 3.3 3.5 2.3 3.8 .0 3.8 04
EL CAJON LES 2.7 .7 1.4 1.0 2.1 .0 2.7 00
KEARNY MESA 1.6 2.9 2.1 2.3 4.4 .0 4.4 04
OTAY MESA DVN 1.5 3.1 2.2 3.0 2.6 .0 3.1 01
PENDLETON 3.8 4.1 3.1 3.4 3.8 .0 4.1 01
15 SWSP MPH ALPINE 1.3 1.2 1.8 2.1 1.4 1.6 2.1 03
CHULA VISTA 2.3 2.8 2.3 3.0 2.5 2.6 3.0 03
DOWNTOWN SE 2.9 3.8 3.9 2.9 3.9 3.5 3.9 02
EL CAJON LES 3.2 2.2 2.5 2.3 2.7 2.6 3.2 00
KEARNY MESA 1.9 3.0 2.3 2.6 4.5 2.9 4.5 04
OTAY MESA DVN 2.0 3.3 3.2 3.2 2.8 2.9 3.3 01
PENDLETON 3.9 4.2 3.4 3.7 4.1 3.9 4.2 01
16 AMBTEMP °F ALPINE 61.8 61.7 62.0 60.1 58.2 60.8 62.0 02
CARMEL MT RCH 60.5 60.1 60.0 59.6 59.4 59.9 60.5 00
CHULA VISTA 62.8 62.4 62.2 62.0 61.8 62.2 62.8 00
DOWNTOWN SE 62.4 61.7 61.4 61.4 60.8 61.5 62.4 00
EL CAJON LES 61.5 61.5 60.7 61.0 60.5 61.0 61.5 00
KEARNY MESA 62.1 61.9 62.1 61.9 61.5 61.9 62.1 00
OTAY MESA DVN 60.4 60.5 60.4 60.2 60.1 60.3 60.5 01
PENDLETON 62.8 62.8 62.8 62.8 62.9 62.8 62.9 04
Current Date: 5/9/2026 5:09 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 63.1 62.5 62.0 62.1 62.1 62.4 63.1 00
17 RELHUM % ALPINE 70 69 63 66 64 66 70 00
EL CAJON LES 92 92 94 92 92 92 94 02
KEARNY MESA 90 91 90 90 90 90 91 01
18 PRES mmHg EL CAJON LES 748 748 747 747 747 747 748 00
KEARNY MESA 749 748 748 748 748 748 749 00
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 3 2 3 04
KEARNY MESA 1 1 1 1 2 1 2 04
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 00
25 NOY EL CAJON LES 4.03 3.91 3.72 3.80 3.20 3.73 4.03 00
26 NOY-NO EL CAJON LES 4.00 3.89 3.69 3.77 3.18 3.70 4.00 00
27 NO Trace EL CAJON LES .03 .02 .02 .03 .02 .02 .03 00
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 00
29 CO Tr PPB EL CAJON LES 210.4 214.9 C C C 212.6 214.9 01
BCarbon ug/m3 10TH AVE MARIN .28 .19 .17 .15 .24 .21 .28 00
ALPINE < .17 .14 < .34 .22 .34 04
BOSTON AVE .25 .25 .22 .11 .15 .20 .25 00
CHICANO PARK .21 < < .18 .34 .24 .34 04
DOWNTOWN SE .32 .20 < .19 .14 .21 .32 00
OCEANVIEW BLV .27 .23 .23 .18 .14 .21 .27 00
OTAY MESA DVN .39 .31 .28 .31 .38 .33 .39 00
SAN YSIDRO .21 .18 .15 .28 < .21 .28 03
PM10 STD ALPINE 14.7 15.9 13.1 13.1 12.6 13.8 15.9 01
CARMEL MT RCH 17.7 17.9 19.7 18.2 17.5 18.2 19.7 02
CHULA VISTA 20.2 21.3 21.3 19.9 20.6 20.6 21.3 01
DOWNTOWN SE 23.7 23.2 21.6 21.2 20.7 22.0 23.7 00
EL CAJON LES 21.3 21.9 23.3 23.7 22.0 22.4 23.7 03
KEARNY MESA 19.6 19.8 21.7 22.3 21.5 20.9 22.3 03
OTAY MESA DVN 26.7 26.5 27.1 35.5 38.0 30.7 38.0 04
PENDLETON 20.0 20.0 18.2 20.8 18.8 19.5 20.8 03
SAN YSIDRO 23.0 25.1 23.3 24.4 24.9 24.1 25.1 01
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 00