Current Date: 2/1/2026 9:09 AM
Daily Parameter Report
2/1/2026
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 .047 C C .048 .047 .046 .047 .043 .041 .045 .048 03
CHULA VISTA .012 C C .025 .026 .027 .029 .031 .025 .025 .031 07
DOWNTOWN SE .006 C C .019 .022 .024 .020 .023 .028 .020 .028 08
EL CAJON LES .003 C C C .002 .003 .002 .005 .014 .004 .014 08
KEARNY MESA .030 C C .035 .035 .035 .034 .032 .036 .033 .036 08
OTAY MESA DVN .043 C C .046 .046 .047 .044 .045 .042 .044 .047 05
PENDLETON .028 C C .026 .029 .031 .030 .030 .031 .029 .031 05
03 NO2 PPB ALPINE 1.3 C C .7 .8 .9 .8 1.3 2.2 1.1 2.2 08
CARMEL MT RCH 5.2 C C 19.0 19.5 17.1 19.4 18.4 12.1 15.8 19.5 04
CHULA VISTA 20.3 C C 7.9 7.4 7.9 7.2 6.4 10.9 9.7 20.3 00
DOWNTOWN SE 33.3 C C 13.3 10.4 9.8 12.8 12.6 9.9 14.5 33.3 00
EL CAJON LES 20.6 C C C 16.5 15.6 15.9 15.3 13.5 16.2 20.6 00
KEARNY MESA 7.7 C C 3.3 2.8 2.5 3.6 5.5 3.4 4.1 7.7 00
OTAY MESA DVN 3.8 C C 1.2 2.9 1.4 3.8 2.5 7.2 3.2 7.2 08
PENDLETON 5.3 C C 4.1 3.6 3.0 3.3 3.6 3.6 3.7 5.3 00
SAN YSIDRO 21.8 C C 25.6 27.9 28.8 27.8 30.2 32.1 27.7 32.1 08
06 CO PPM CARMEL MT RCH .3 C C .5 .4 .4 .7 .8 .7 .5 .8 07
SAN YSIDRO .7 C C .6 .6 .9 1.1 1.4 1.0 .9 1.4 07
07 H2S PPB IB CIVIC CTR 6.8 2.8 2.3 1.2 1.2 1.1 1.3 1.6 1.5 2.2 6.8 00
NESTOR - BES 18.5 5.3 3.6 1.8 1.6 1.3 1.0 1.4 1.6 4.0 18.5 00
SAN YSIDRO 1.2 1.0 1.0 2.6 2.8 2.4 1.9 2.8 3.1 2.0 3.1 08
10 INTMP °C ALPINE 26 27 27 27 27 27 27 27 26 27 27 01
CARMEL MT RCH 26 26 27 26 27 27 26 26 26 26 27 02
CHULA VISTA 25 25 25 25 25 25 26 25 25 25 26 06
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 27 27 27 27 27 27 27 27 27 27 01
IB CIVIC CTR 27 28 28 28 28 29 29 28 25 28 29 05
KEARNY MESA 24 24 24 24 24 24 24 24 24 24 24 00
NESTOR - BES 26 25 25 25 24 24 24 25 22 24 26 00
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 27 00
PENDLETON 25 25 25 25 24 24 24 24 24 24 25 00
SAN YSIDRO 24 24 24 23 22 22 22 22 22 23 24 00
11 PM2.5 µg/M3 ALPINE 3.4 3.4 3.4 3.3 3.4 3.3 3.4 3.4 3.3 3.3 3.4 00
CARMEL MT RCH 4.0 4.3 4.5 5.5 5.1 4.4 4.4 4.4 4.5 4.5 5.5 03
CHULA VISTA 7.5 7.1 5.8 4.2 3.9 3.8 3.7 3.7 4.1 4.8 7.5 00
DOWNTOWN SE 12.7 12.6 10.0 7.5 5.6 5.1 4.5 4.9 12.7 8.4 12.7 00
EL CAJON LES 15.6 13.4 9.9 9.2 8.9 8.8 8.5 8.1 7.8 10.0 15.6 00
KEARNY MESA 4.9 4.6 4.1 4.2 4.1 4.0 3.9 3.9 3.7 4.1 4.9 00
Current Date: 2/1/2026 9:09 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 4.8 3.8 3.5 3.3 3.2 3.5 4.3 4.0 4.2 3.8 4.8 00
PENDLETON 4.6 4.8 4.3 4.3 4.1 4.0 4.1 4.3 4.4 4.3 4.8 01
SAN YSIDRO 11.4 10.9 8.9 11.3 13.5 11.1 10.3 16.5 19.5 12.6 19.5 08
12 VWDR ° ALPINE 25 87 101 19 104 90 74 93 255 0 255 08
CHULA VISTA 27 114 87 57 97 75 39 52 72 0 114 01
DOWNTOWN SE 39 82 22 6 31 32 82 19 61 0 82 01
EL CAJON LES 154 131 253 255 140 211 120 133 248 0 255 03
KEARNY MESA 65 67 54 46 46 46 24 21 70 0 70 08
OTAY MESA DVN 39 34 82 344 54 317 293 348 336 0 348 07
PENDLETON 91 78 65 64 59 55 61 59 63 0 91 00
13 SIGTHETA ° ALPINE 55 18 31 38 22 21 24 17 60 32 60 08
CHULA VISTA 45 15 41 52 52 33 20 18 32 34 52 03
DOWNTOWN SE 43 33 22 24 43 23 48 36 18 32 48 06
EL CAJON LES 57 36 21 56 46 60 33 63 39 46 63 07
KEARNY MESA 5 5 13 7 9 10 7 7 28 10 28 08
OTAY MESA DVN 52 32 24 41 39 55 44 29 53 41 55 05
PENDLETON 46 13 8 7 9 9 9 10 8 13 46 00
14 VWSP MPH ALPINE 1.6 2.3 2.1 1.5 2.1 2.4 2.2 2.9 .7 .0 2.9 07
CHULA VISTA .2 2.8 1.2 .7 .9 1.8 2.8 2.9 1.3 .0 2.9 07
DOWNTOWN SE 1.0 1.3 2.3 1.7 2.2 2.7 .4 2.6 3.6 .0 3.6 08
EL CAJON LES .4 .7 1.1 .4 .6 .7 1.5 .5 1.5 .0 1.5 06
KEARNY MESA 5.5 5.7 5.6 7.1 6.9 6.3 5.4 6.8 4.9 .0 7.1 03
OTAY MESA DVN 2.7 2.9 4.2 1.1 2.4 2.5 2.7 2.9 .2 .0 4.2 02
PENDLETON 4.7 7.2 7.2 7.9 7.9 8.2 9.0 9.3 10.1 .0 10.1 08
15 SWSP MPH ALPINE 2.3 2.4 2.4 2.4 2.2 2.6 2.5 3.0 1.8 2.4 3.0 07
CHULA VISTA 1.9 2.9 1.6 1.3 1.8 2.3 3.0 3.0 2.3 2.2 3.0 06
DOWNTOWN SE 1.3 1.6 2.5 2.3 2.7 2.9 1.6 3.4 4.0 2.5 4.0 08
EL CAJON LES .6 1.2 1.2 1.2 1.4 1.4 2.1 1.7 1.8 1.4 2.1 06
KEARNY MESA 5.6 5.7 5.7 7.2 7.0 6.5 5.5 6.9 5.7 6.2 7.2 03
OTAY MESA DVN 3.6 3.5 4.8 2.6 3.6 3.7 3.5 3.2 1.5 3.3 4.8 02
PENDLETON 5.7 7.5 7.2 8.0 8.0 8.3 9.2 9.5 10.3 8.2 10.3 08
16 AMBTEMP °F ALPINE 63.3 64.1 64.1 65.4 63.3 62.2 64.1 65.1 69.0 64.5 69.0 08
CARMEL MT RCH 62.3 60.6 58.6 56.6 56.0 55.7 55.7 58.1 64.1 58.6 64.1 08
CHULA VISTA 55.7 54.6 54.3 55.3 54.7 54.7 56.4 60.7 67.2 57.1 67.2 08
DOWNTOWN SE 56.1 52.9 54.1 55.6 54.3 55.1 53.7 60.2 69.8 56.9 69.8 08
EL CAJON LES 51.0 49.1 48.3 47.3 46.0 45.3 44.5 47.4 55.1 48.2 55.1 08
KEARNY MESA 58.6 58.0 58.6 58.9 58.4 57.8 58.3 60.4 69.6 59.8 69.6 08
OTAY MESA DVN 64.7 64.4 67.0 64.6 65.1 65.6 64.5 65.6 70.5 65.8 70.5 08
PENDLETON 59.3 56.9 57.0 55.7 56.9 58.4 57.8 58.4 64.1 58.3 64.1 08
Current Date: 2/1/2026 9:09 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 56.5 54.7 53.5 53.7 53.6 53.4 52.1 57.3 67.2 55.8 67.2 08
17 RELHUM % ALPINE 24 21 19 18 20 21 19 22 22 21 24 00
EL CAJON LES 64 66 68 70 74 76 77 70 52 69 77 06
KEARNY MESA 40 40 38 36 37 37 36 36 29 37 40 00
18 PRES mmHg EL CAJON LES 751 751 751 751 751 750 751 751 751 751 751 00
KEARNY MESA 752 751 751 751 751 751 751 751 752 751 752 00
19 SOLAR W/M2 EL CAJON LES 0 0 0 0 0 0 4 65 185 28 185 08
KEARNY MESA 1 1 1 1 1 1 6 117 325 50 325 08
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 5 13 2 13 08
25 NOY EL CAJON LES 26.30 24.54 19.97 20.60 C C 23.83 27.85 23.92 23.85 27.85 07
26 NOY-NO EL CAJON LES 22.32 21.39 18.52 18.44 C C 17.40 15.91 13.83 18.25 22.32 00
27 NO Trace EL CAJON LES 3.97 3.14 1.44 2.16 C C 6.43 11.93 10.08 5.59 11.93 07
28 SO2 Tr PPB EL CAJON LES .1 C C C .1 .0 .1 .1 .2 .1 .2 08
29 CO Tr PPB EL CAJON LES 693.3 C C C 523.0 488.3 451.6 479.2 481.1 519.4 693.3 00
BCarbon ug/m3 10TH AVE MARIN 2.44 < < 2.23 < 1.05 .87 1.90 < 1.70 2.44 00
ALPINE < .12 < .08 .08 < < .10 < .10 .12 01
BOSTON AVE 2.56 2.19 1.38 .77 .73 .41 .39 .45 .54 1.05 2.56 00
CHICANO PARK 1.76 1.63 < .75 .63 .57 1.62 < < 1.16 1.76 00
DOWNTOWN SE 1.62 1.66 1.62 .77 .52 < < .37 .43 1.00 1.66 01
OCEANVIEW BLV 1.87 1.63 1.26 .80 < .38 .42 .25 .22 .85 1.87 00
OTAY MESA DVN .48 .45 .94 .14 .46 .12 .21 .13 .27 .36 .94 02
SAN YSIDRO 1.04 < < < 2.02 < 1.89 < < 1.65 2.02 04
PM10 STD ALPINE 14.8 14.7 13.9 13.1 14.8 15.1 15.1 15.3 14.7 14.6 15.3 07
CARMEL MT RCH 15.0 16.0 15.3 17.0 16.5 15.5 15.4 16.4 20.1 16.3 20.1 08
CHULA VISTA 21.9 20.2 17.3 14.8 12.8 14.1 12.1 12.9 17.4 15.9 21.9 00
DOWNTOWN SE 29.5 30.1 25.2 20.5 18.3 16.9 17.2 18.8 28.4 22.7 30.1 01
EL CAJON LES 33.6 29.4 24.4 23.5 22.6 20.2 21.0 20.6 22.0 24.1 33.6 00
KEARNY MESA 18.9 18.4 18.5 16.8 17.2 15.2 15.6 17.6 18.5 17.4 18.9 00
OTAY MESA DVN 40.3 26.8 17.5 16.3 14.3 18.4 33.8 34.4 26.6 25.3 40.3 00
PENDLETON 18.8 19.4 18.5 18.4 20.6 16.8 19.0 19.9 18.4 18.8 20.6 04
SAN YSIDRO 32.1 34.1 33.9 43.1 42.6 43.9 46.4 81.6 91.6 49.9 91.6 08
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00