Current Date: 1/28/2026 8:09 AM
Daily Parameter Report
1/28/2026
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 .043 .041 C C .044 .042 .042 .039 .041 .044 04
CHULA VISTA .009 .021 C C .019 .011 .009 .012 .013 .021 01
DOWNTOWN SE .007 .012 C C .007 .007 .003 .003 .006 .012 01
EL CAJON LES .006 .004 C C C .003 .002 .003 .003 .006 00
KEARNY MESA .024 .022 C C .016 .016 .005 .016 .016 .024 00
OTAY MESA DVN .028 .011 C C .026 .027 .029 .025 .024 .029 06
PENDLETON .016 .014 C C .018 .018 .017 .017 .016 .018 04
03 NO2 PPB ALPINE 2.0 1.9 C C 1.2 3.6 3.6 4.5 2.8 4.5 07
CARMEL MT RCH 26.5 19.3 C C 24.3 29.5 28.7 21.9 25.0 29.5 05
CHULA VISTA 22.3 12.9 C C 11.7 17.9 21.2 20.6 17.7 22.3 00
DOWNTOWN SE 30.6 20.6 C C 21.2 22.3 27.9 28.9 25.2 30.6 00
EL CAJON LES 17.1 17.1 C C C 16.4 17.6 18.0 17.2 18.0 07
KEARNY MESA 9.6 8.7 C C 14.8 15.2 26.7 15.7 15.1 26.7 06
OTAY MESA DVN 16.7 38.5 C C 12.2 13.6 11.1 16.7 18.1 38.5 01
PENDLETON 11.6 11.6 C C 7.0 8.0 10.0 11.1 9.8 11.6 00
SAN YSIDRO 32.6 32.7 C C 28.5 26.4 24.8 27.5 28.7 32.7 01
06 CO PPM CARMEL MT RCH .8 .7 C C .5 1.0 1.0 .7 .8 1.0 05
SAN YSIDRO 1.4 1.1 C C 1.0 1.2 1.2 1.3 1.2 1.4 00
07 H2S PPB IB CIVIC CTR 2.1 6.2 7.3 3.7 2.2 1.5 1.5 2.4 3.3 7.3 02
NESTOR - BES 4.0 7.2 6.9 4.6 1.8 2.3 1.9 2.6 3.9 7.2 01
SAN YSIDRO 3.8 3.0 3.1 4.7 3.0 2.4 2.5 3.0 3.1 4.7 03
10 INTMP °C ALPINE 27 27 27 27 27 26 26 26 27 27 00
CARMEL MT RCH 26 26 26 26 26 26 26 25 26 26 00
CHULA VISTA 25 25 26 25 26 26 25 25 25 26 02
DOWNTOWN SE 26 26 26 26 26 26 26 26 26 26 00
EL CAJON LES 26 26 27 27 27 27 27 27 27 27 02
IB CIVIC CTR 28 28 28 28 27 27 27 27 28 28 00
KEARNY MESA 23 23 23 24 23 23 22 23 23 24 03
NESTOR - BES 23 23 22 23 22 22 22 22 22 23 00
OTAY MESA DVN 27 27 27 27 27 26 26 26 27 27 00
PENDLETON 24 24 24 24 24 24 24 24 24 24 00
SAN YSIDRO 22 22 22 22 22 22 22 22 22 22 00
11 PM2.5 µg/M3 ALPINE 2.5 2.4 2.1 1.9 1.9 1.9 1.9 1.9 2.0 2.5 00
CARMEL MT RCH 6.9 6.3 5.5 4.3 4.6 4.6 4.6 4.1 5.1 6.9 00
CHULA VISTA 5.8 6.3 7.1 7.5 5.2 5.4 5.0 4.1 5.8 7.5 03
DOWNTOWN SE 9.9 7.2 6.3 6.1 7.0 6.2 7.1 8.8 7.3 9.9 00
EL CAJON LES 9.1 9.0 6.9 6.5 6.2 6.3 6.4 7.4 7.2 9.1 00
KEARNY MESA 4.6 4.9 4.2 3.9 3.7 3.8 4.1 3.5 4.0 4.9 01
Current Date: 1/28/2026 8:09 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 9.9 26.1 28.1 10.2 9.7 10.4 9.8 12.4 14.5 28.1 02
PENDLETON 5.2 5.4 5.0 4.1 4.2 3.7 3.9 3.6 4.3 5.4 01
SAN YSIDRO 23.4 22.2 28.3 50.9 41.0 28.9 23.0 28.4 30.7 50.9 03
12 VWDR ° ALPINE 339 79 71 38 56 56 310 75 0 339 00
CHULA VISTA 100 97 103 10 71 77 47 84 0 103 02
DOWNTOWN SE 51 55 42 348 42 349 11 8 0 349 05
EL CAJON LES 133 124 237 276 110 217 127 169 0 276 03
KEARNY MESA 74 77 65 6 51 15 53 58 0 77 01
OTAY MESA DVN 17 121 114 339 50 97 17 99 0 339 03
PENDLETON 63 64 78 58 63 60 53 43 0 78 02
13 SIGTHETA ° ALPINE 39 15 22 41 29 36 46 28 32 46 06
CHULA VISTA 31 18 13 23 20 47 16 29 25 47 05
DOWNTOWN SE 34 16 50 12 68 30 45 51 38 68 04
EL CAJON LES 38 42 38 61 48 42 53 40 45 61 03
KEARNY MESA 8 6 7 33 15 30 12 9 15 33 03
OTAY MESA DVN 19 13 37 58 49 42 23 14 32 58 03
PENDLETON 9 7 7 15 8 9 8 12 9 15 03
14 VWSP MPH ALPINE 1.8 2.1 2.2 1.4 1.1 1.0 .9 1.2 .0 2.2 02
CHULA VISTA 1.8 3.6 5.2 2.5 2.9 1.1 2.7 2.4 .0 5.2 02
DOWNTOWN SE 2.0 3.2 1.7 3.1 .6 1.6 1.4 .9 .0 3.2 01
EL CAJON LES 1.3 .8 1.3 .8 .8 .8 1.1 .6 .0 1.3 00
KEARNY MESA 4.1 5.1 5.2 3.4 3.3 4.3 3.3 4.4 .0 5.2 02
OTAY MESA DVN 3.4 4.3 2.3 1.7 1.8 1.6 2.9 3.5 .0 4.3 01
PENDLETON 6.5 6.2 6.4 5.8 7.7 7.0 7.8 7.3 .0 7.8 06
15 SWSP MPH ALPINE 2.6 2.1 2.4 2.0 1.6 1.5 1.2 1.9 1.9 2.6 00
CHULA VISTA 2.0 3.8 5.4 2.7 3.4 1.8 3.3 2.6 3.1 5.4 02
DOWNTOWN SE 2.2 3.3 2.3 3.3 1.3 2.1 2.0 1.7 2.3 3.3 01
EL CAJON LES 2.2 1.7 1.6 1.3 1.4 1.8 1.6 2.0 1.7 2.2 00
KEARNY MESA 4.2 5.3 5.4 4.4 3.5 4.5 3.5 4.7 4.4 5.4 02
OTAY MESA DVN 3.9 4.5 2.6 2.6 3.2 2.3 3.3 4.4 3.4 4.5 01
PENDLETON 6.6 6.3 6.6 6.3 7.8 7.2 8.0 7.4 7.0 8.0 06
16 AMBTEMP °F ALPINE 56.9 55.4 56.1 57.2 58.4 58.0 57.9 56.5 57.1 58.4 04
CARMEL MT RCH 50.5 49.4 50.4 51.9 49.5 50.0 49.0 50.5 50.2 51.9 03
CHULA VISTA 50.7 53.2 52.2 49.9 50.2 48.7 48.6 51.9 50.7 53.2 01
DOWNTOWN SE 51.1 52.3 51.7 51.1 49.1 48.2 49.2 49.9 50.3 52.3 01
EL CAJON LES 46.6 45.9 44.5 44.8 44.4 43.3 43.3 44.3 44.6 46.6 00
KEARNY MESA 48.7 49.2 50.0 49.7 50.0 50.0 49.7 51.0 49.8 51.0 07
OTAY MESA DVN 55.3 54.6 54.9 52.4 51.7 53.7 53.1 53.9 53.7 55.3 00
PENDLETON 50.6 49.0 47.3 46.6 47.8 48.0 48.3 49.9 48.4 50.6 00
Current Date: 1/28/2026 8:09 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 50.3 50.3 50.7 51.9 50.0 48.5 48.5 50.0 50.0 51.9 03
17 RELHUM % ALPINE 22 23 21 18 16 16 15 17 19 23 01
EL CAJON LES 63 65 70 69 71 74 76 74 70 76 06
KEARNY MESA 65 68 56 53 49 47 49 46 54 68 01
18 PRES mmHg EL CAJON LES 756 756 755 755 755 755 755 755 755 756 00
KEARNY MESA 757 756 756 756 755 755 756 756 756 757 00
19 SOLAR W/M2 EL CAJON LES 0 0 0 2 0 1 3 62 9 62 07
KEARNY MESA 2 2 1 2 1 2 4 62 10 62 07
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 4 1 4 07
25 NOY EL CAJON LES 18.16 18.82 18.36 17.29 15.82 C C 45.15 22.26 45.15 07
26 NOY-NO EL CAJON LES 17.31 17.68 16.91 16.07 14.92 C C 18.86 16.95 18.86 07
27 NO Trace EL CAJON LES .84 1.14 1.45 1.21 .89 C C 26.29 5.30 26.29 07
28 SO2 Tr PPB EL CAJON LES .1 .1 C C C .1 .1 .3 .1 .3 07
29 CO Tr PPB EL CAJON LES 470.0 461.8 C C C 468.8 501.9 698.7 520.2 698.7 07
BCarbon ug/m3 10TH AVE MARIN 3.14 < 1.66 1.61 1.51 < 1.91 2.05 1.98 3.14 00
ALPINE .14 < .09 .07 .07 .31 < .18 .14 .31 05
BOSTON AVE 1.61 1.46 1.05 1.17 1.08 1.07 1.62 1.91 1.37 1.91 07
CHICANO PARK 1.19 .95 < .89 < 1.75 1.27 1.28 1.22 1.75 05
DOWNTOWN SE < .87 1.01 < 1.02 .91 1.33 1.25 1.07 1.33 06
OCEANVIEW BLV 1.74 < 1.09 1.18 < 1.52 1.25 .84 1.27 1.74 00
OTAY MESA DVN 2.30 5.62 4.90 1.72 1.60 1.53 .96 1.48 2.51 5.62 01
SAN YSIDRO < < 4.84 8.40 6.73 4.48 < 3.96 5.68 8.40 03
PM10 STD ALPINE 8.0 7.3 6.6 6.7 6.2 6.8 6.7 5.5 6.7 8.0 00
CARMEL MT RCH 18.2 17.3 13.6 12.4 13.3 13.9 13.6 12.0 14.2 18.2 00
CHULA VISTA 17.1 22.0 29.2 25.1 14.8 15.9 17.0 12.6 19.2 29.2 02
DOWNTOWN SE 22.9 18.7 17.8 17.6 21.7 20.2 27.7 44.4 23.8 44.4 07
EL CAJON LES 19.6 18.4 14.2 14.1 14.6 14.7 17.1 28.6 17.6 28.6 07
KEARNY MESA 14.2 15.2 12.7 13.2 13.1 15.1 16.7 12.5 14.0 16.7 06
OTAY MESA DVN 46.1 102.6 97.1 35.4 39.4 41.8 69.0 79.1 63.8 102.6 01
PENDLETON 16.2 15.5 14.4 10.7 11.4 11.4 14.8 14.6 13.6 16.2 00
SAN YSIDRO 82.8 84.8 89.9 130.1 94.5 70.2 60.9 94.1 88.4 130.1 03
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00