Current Date: 1/31/2026 10:09 AM
Daily Parameter Report
1/31/2026
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 .047 C C .045 .044 .045 .045 .044 .045 .045 .047 00
CHULA VISTA .016 .016 C C .025 .023 .027 .025 .028 .024 .023 .028 08
DOWNTOWN SE .001 .001 C C .015 .014 .011 .021 .025 .029 .014 .029 09
EL CAJON LES .005 .003 C C C .002 .002 .004 .009 .018 .006 .018 09
KEARNY MESA .034 .032 C C .028 .031 .030 .029 .032 .037 .031 .037 09
OTAY MESA DVN .045 .045 C C .044 .031 .041 .039 .031 .032 .038 .045 00
PENDLETON .022 .024 C C .031 .029 .026 .027 .029 .033 .027 .033 09
03 NO2 PPB ALPINE 1.3 1.3 C C 1.6 1.8 1.7 2.2 2.4 2.4 1.8 2.4 08
CARMEL MT RCH 20.8 18.9 C C 12.7 23.9 35.9 27.5 27.5 15.5 22.8 35.9 06
CHULA VISTA 19.9 18.0 C C 10.9 12.0 10.9 11.6 11.9 10.8 13.2 19.9 00
DOWNTOWN SE 35.1 36.2 C C 17.0 18.0 21.7 14.6 12.5 10.0 20.6 36.2 01
EL CAJON LES 20.6 20.1 C C C 16.8 16.8 15.5 18.6 17.8 18.0 20.6 00
KEARNY MESA 6.1 7.5 C C 8.2 6.4 7.8 7.8 5.4 5.0 6.7 8.2 04
OTAY MESA DVN 3.7 2.4 C C 4.2 13.3 5.8 8.5 17.3 21.6 9.6 21.6 09
PENDLETON 10.4 7.7 C C 4.0 4.8 6.2 5.4 5.0 4.2 5.9 10.4 00
SAN YSIDRO 30.7 29.2 C C 26.4 27.0 32.4 37.6 48.7 50.7 35.3 50.7 09
06 CO PPM CARMEL MT RCH .6 .5 C C .3 .5 .9 .8 1.0 .6 .7 1.0 08
SAN YSIDRO 1.0 1.0 C C .9 .6 1.0 1.4 1.9 1.4 1.2 1.9 08
07 H2S PPB IB CIVIC CTR 1.7 1.9 1.3 3.6 8.2 2.0 4.2 5.4 5.9 4.2 3.8 8.2 04
NESTOR - BES 5.9 3.8 2.4 11.7 5.4 3.4 6.1 6.6 6.3 3.8 5.5 11.7 03
SAN YSIDRO 1.7 1.9 2.7 3.6 2.0 1.3 2.5 5.2 7.3 4.6 3.2 7.3 08
10 INTMP °C ALPINE 27 26 27 27 27 27 27 27 26 26 27 27 00
CARMEL MT RCH 26 26 27 27 27 26 27 27 26 26 27 27 02
CHULA VISTA 24 25 25 25 25 25 25 25 25 24 25 25 01
DOWNTOWN SE 26 26 26 26 26 26 26 26 26 25 26 26 00
EL CAJON LES 26 26 26 27 27 27 27 27 27 27 27 27 03
IB CIVIC CTR 28 28 28 28 28 28 28 28 26 24 27 28 00
KEARNY MESA 25 24 24 24 24 24 24 24 24 24 24 25 00
NESTOR - BES 26 25 24 24 23 24 24 25 23 22 24 26 00
OTAY MESA DVN 27 27 27 27 26 27 27 27 27 27 27 27 00
PENDLETON 25 25 25 25 24 24 24 24 24 25 25 25 00
SAN YSIDRO 23 23 23 23 22 22 22 22 22 22 22 23 00
11 PM2.5 µg/M3 ALPINE 2.3 2.2 2.5 2.8 2.8 2.9 2.9 2.7 2.5 2.4 2.6 2.9 05
CARMEL MT RCH 3.1 3.1 3.7 3.8 3.4 3.3 3.6 3.5 3.7 3.3 3.4 3.8 03
CHULA VISTA 4.6 4.3 4.4 4.4 4.9 4.9 6.2 5.1 3.6 3.9 4.6 6.2 06
DOWNTOWN SE 10.8 11.8 10.4 8.9 6.5 5.9 5.1 4.6 5.3 5.1 7.4 11.8 01
EL CAJON LES 12.1 9.5 7.9 7.4 7.7 7.5 7.2 7.3 9.2 7.9 8.3 12.1 00
KEARNY MESA 4.0 3.7 4.1 4.7 4.7 3.8 3.6 3.8 3.6 3.6 3.9 4.7 03
Current Date: 1/31/2026 10:09 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 3.3 3.1 2.9 4.4 3.4 9.3 6.0 8.8 9.8 16.1 6.7 16.1 09
PENDLETON 4.5 4.1 4.0 3.8 3.7 3.7 3.5 3.4 3.3 3.1 3.7 4.5 00
SAN YSIDRO 10.1 11.0 13.4 12.9 10.8 7.0 14.7 29.9 38.8 33.6 18.2 38.8 08
12 VWDR ° ALPINE 273 298 3 50 11 19 61 34 18 349 0 349 09
CHULA VISTA 98 65 60 82 51 90 97 98 90 338 0 338 09
DOWNTOWN SE 124 344 5 45 16 45 36 35 39 22 0 344 01
EL CAJON LES 122 177 100 236 116 319 145 184 271 295 0 319 05
KEARNY MESA 87 20 70 48 74 64 57 62 61 105 0 105 09
OTAY MESA DVN 39 19 17 11 104 84 48 95 83 146 0 146 09
PENDLETON 27 76 54 61 65 63 44 63 63 64 0 76 01
13 SIGTHETA ° ALPINE 48 54 30 52 11 30 25 21 19 29 32 54 01
CHULA VISTA 46 44 25 19 22 35 13 30 28 65 33 65 09
DOWNTOWN SE 56 19 35 45 53 50 78 19 47 42 44 78 06
EL CAJON LES 54 45 24 60 22 61 38 62 47 60 47 62 07
KEARNY MESA 13 39 33 19 9 5 6 9 13 24 17 39 01
OTAY MESA DVN 41 40 16 24 32 20 17 35 45 12 28 45 08
PENDLETON 10 5 9 11 13 10 12 11 9 11 10 13 04
14 VWSP MPH ALPINE 2.0 1.4 2.7 1.0 2.9 1.4 1.2 1.3 1.8 2.4 .0 2.9 04
CHULA VISTA 2.2 1.6 2.3 2.1 3.3 3.5 6.5 2.6 3.6 .9 .0 6.5 06
DOWNTOWN SE .6 3.0 1.3 1.8 1.8 1.6 .8 3.6 2.4 1.9 .0 3.6 07
EL CAJON LES .9 1.1 2.3 1.4 2.1 .1 .8 .3 .9 .7 .0 2.3 02
KEARNY MESA 3.8 2.3 2.6 6.1 5.8 6.6 6.6 5.4 5.0 3.7 .0 6.6 05
OTAY MESA DVN 1.8 4.2 5.7 3.9 2.6 3.7 3.7 1.9 .4 4.3 .0 5.7 02
PENDLETON 6.4 7.1 6.3 6.7 9.8 7.8 6.5 7.6 9.2 9.2 .0 9.8 04
15 SWSP MPH ALPINE 2.7 2.8 3.0 1.6 3.0 1.6 1.3 1.4 1.9 2.7 2.2 3.0 02
CHULA VISTA 3.0 2.0 2.4 2.3 3.6 4.2 6.7 2.9 3.9 1.6 3.3 6.7 06
DOWNTOWN SE 1.9 3.1 1.7 2.3 2.6 2.7 1.6 3.8 2.7 2.5 2.5 3.8 07
EL CAJON LES 1.8 1.9 2.5 2.1 2.3 1.0 1.5 .7 1.2 1.3 1.6 2.5 02
KEARNY MESA 4.0 2.5 2.9 6.5 6.0 6.6 6.6 5.5 5.1 3.9 5.0 6.6 05
OTAY MESA DVN 3.7 4.8 5.9 4.4 3.7 4.9 4.5 2.4 1.4 4.4 4.0 5.9 02
PENDLETON 6.6 7.1 6.5 7.0 10.0 8.0 6.7 7.8 9.3 9.3 7.8 10.0 04
16 AMBTEMP °F ALPINE 66.1 64.6 63.2 64.3 63.5 63.3 64.4 65.6 68.3 71.7 65.5 71.7 09
CARMEL MT RCH 65.3 63.9 63.6 60.8 59.8 60.0 59.1 60.5 65.1 73.0 63.1 73.0 09
CHULA VISTA 58.3 56.4 56.2 56.4 59.0 57.9 61.2 60.7 66.6 72.0 60.5 72.0 09
DOWNTOWN SE 55.8 56.4 54.7 53.9 55.7 54.1 52.9 60.5 70.0 76.0 59.0 76.0 09
EL CAJON LES 51.7 50.2 48.9 48.3 47.4 45.9 45.1 47.1 54.4 63.3 50.2 63.3 09
KEARNY MESA 60.8 61.1 58.0 56.4 57.3 58.3 57.9 60.4 68.2 74.5 61.3 74.5 09
OTAY MESA DVN 66.7 64.5 65.2 65.0 66.1 59.8 63.0 64.3 69.0 74.1 65.8 74.1 09
PENDLETON 58.3 57.6 56.9 54.9 60.1 57.9 56.3 57.2 63.6 72.0 59.5 72.0 09
Current Date: 1/31/2026 10:09 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 56.1 54.5 52.5 51.4 51.1 54.7 54.7 58.6 64.6 72.2 57.0 72.2 09
17 RELHUM % ALPINE 19 20 23 21 21 21 20 20 19 17 20 23 02
EL CAJON LES 60 64 67 68 71 76 78 74 56 40 65 78 06
KEARNY MESA 37 35 40 44 42 39 39 38 32 25 37 44 03
18 PRES mmHg EL CAJON LES 753 753 753 753 754 754 754 754 754 753 754 754 04
KEARNY MESA 754 754 754 754 754 754 754 754 754 754 754 754 00
19 SOLAR W/M2 EL CAJON LES 0 0 0 0 0 0 4 56 178 398 64 398 09
KEARNY MESA 1 1 1 1 1 1 5 111 317 507 95 507 09
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 5 13 21 4 21 09
25 NOY EL CAJON LES 22.33 22.25 18.23 20.87 24.34 C C 35.91 39.71 30.53 26.77 39.71 08
26 NOY-NO EL CAJON LES 21.33 20.72 17.10 18.55 20.18 C C 16.98 18.92 17.64 18.92 21.33 00
27 NO Trace EL CAJON LES .99 1.52 1.13 2.32 4.15 C C 18.92 20.79 12.88 7.83 20.79 08
28 SO2 Tr PPB EL CAJON LES .1 .1 C C C .1 .1 .2 .2 .2 .1 .2 07
29 CO Tr PPB EL CAJON LES 579.8 581.2 C C C 554.3 540.2 677.3 736.1 612.3 611.6 736.1 08
BCarbon ug/m3 10TH AVE MARIN < 2.82 2.13 < 1.71 1.44 1.22 1.44 1.62 1.57 1.74 2.82 01
ALPINE .08 .09 .14 .17 .18 .21 .23 .16 < < .16 .23 06
BOSTON AVE 2.06 1.85 1.26 1.05 .79 .91 1.00 .88 .74 .63 1.12 2.06 00
CHICANO PARK 1.61 1.42 1.16 .85 .71 .81 .78 .78 .74 .95 .98 1.61 00
DOWNTOWN SE 1.64 < < 1.14 < < .81 .72 .57 < .98 1.64 00
OCEANVIEW BLV 1.69 1.28 .91 1.19 .88 < 1.33 .49 .41 .41 .95 1.69 00
OTAY MESA DVN .17 .13 .21 .41 .20 1.08 .28 .43 .98 1.53 .54 1.53 09
SAN YSIDRO 1.41 1.57 < 1.98 < < 2.27 4.97 6.38 4.43 3.29 6.38 08
PM10 STD ALPINE 8.9 7.6 11.4 10.3 11.1 11.0 11.3 10.2 11.9 9.8 10.3 11.9 08
CARMEL MT RCH 10.0 10.8 12.5 13.3 13.1 11.0 15.4 13.5 15.0 13.3 12.7 15.4 06
CHULA VISTA 13.3 14.3 15.0 17.7 22.7 20.4 26.0 25.7 17.4 21.8 19.4 26.0 06
DOWNTOWN SE 32.6 34.0 30.3 25.4 24.9 20.9 17.1 19.6 18.0 18.9 24.1 34.0 01
EL CAJON LES 30.5 25.5 21.9 21.2 19.7 17.9 20.6 19.3 27.5 25.7 22.9 30.5 00
KEARNY MESA 16.0 15.8 18.7 20.6 19.1 17.8 14.2 17.7 16.3 16.4 17.2 20.6 03
OTAY MESA DVN 21.8 20.7 13.3 20.3 21.0 37.1 48.7 78.1 76.3 94.3 43.1 94.3 09
PENDLETON 16.0 16.9 15.6 16.1 18.7 15.4 12.1 14.5 12.4 15.9 15.3 18.7 04
SAN YSIDRO 43.0 37.3 42.5 42.9 43.9 37.1 62.1 117.2 164.1 150.2 74.0 164.1 08
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00