Current Date: 1/27/2026 5:09 AM
Daily Parameter Report
1/27/2026
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 .046 .046 C C .047 .046 .047 04
CHULA VISTA .022 .030 C C .030 .027 .030 01
DOWNTOWN SE .022 .026 C C .034 .027 .034 04
EL CAJON LES .004 .004 C C C .004 .004 00
KEARNY MESA .033 .033 C C .033 .033 .033 00
OTAY MESA DVN .038 .041 .042 .042 .040 .040 .042 02
PENDLETON .031 .028 C C .028 .029 .031 00
03 NO2 PPB ALPINE .8 .8 C C .7 .7 .8 00
CARMEL MT RCH 29.8 20.5 C C 28.8 26.3 29.8 00
CHULA VISTA 13.7 8.3 C C 8.5 10.1 13.7 00
DOWNTOWN SE 12.2 10.2 C C 5.0 9.1 12.2 00
EL CAJON LES 20.7 19.6 C C C 20.1 20.7 00
KEARNY MESA 5.9 5.0 C C 3.8 4.9 5.9 00
OTAY MESA DVN 3.6 2.5 1.5 1.8 2.8 2.4 3.6 00
PENDLETON 4.2 4.7 C C 4.5 4.4 4.7 01
SAN YSIDRO 24.3 23.1 C C 29.6 25.6 29.6 04
06 CO PPM CARMEL MT RCH .5 .4 C C .9 .6 .9 04
SAN YSIDRO .4 .4 C C .6 .5 .6 04
07 H2S PPB IB CIVIC CTR 1.2 1.1 1.1 1.0 1.2 1.1 1.2 00
NESTOR - BES 1.2 1.0 1.2 1.7 2.1 1.4 2.1 04
SAN YSIDRO 1.2 1.1 1.3 1.0 1.6 1.2 1.6 04
10 INTMP °C ALPINE 26 26 26 26 26 26 26 00
CARMEL MT RCH 26 26 26 26 26 26 26 00
CHULA VISTA 25 25 25 26 26 25 26 03
DOWNTOWN SE 25 26 26 26 26 26 26 01
EL CAJON LES 27 27 27 27 27 27 27 00
IB CIVIC CTR 27 27 26 26 25 26 27 00
KEARNY MESA 23 23 23 23 23 23 23 00
NESTOR - BES 22 22 21 21 20 21 22 00
OTAY MESA DVN 27 27 27 26 26 27 27 00
PENDLETON 24 24 24 24 24 24 24 00
SAN YSIDRO 22 22 22 22 22 22 22 00
11 PM2.5 µg/M3 ALPINE 1.7 1.6 1.6 1.6 1.5 1.6 1.7 00
CARMEL MT RCH 3.1 7.1 3.6 3.3 3.4 4.1 7.1 01
CHULA VISTA 3.7 2.9 2.7 2.6 2.3 2.8 3.7 00
DOWNTOWN SE 3.9 3.9 3.9 3.3 2.8 3.5 3.9 00
EL CAJON LES 7.0 6.9 6.8 6.9 6.7 6.8 7.0 00
KEARNY MESA 3.0 3.0 3.0 2.9 2.8 2.9 3.0 00
Current Date: 1/27/2026 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 3.8 3.2 2.7 2.4 2.4 2.9 3.8 00
PENDLETON 2.9 3.0 2.9 2.9 2.9 2.9 3.0 01
SAN YSIDRO 9.1 9.2 15.2 6.2 7.8 9.5 15.2 02
12 VWDR ° ALPINE 40 113 17 60 84 0 113 01
CHULA VISTA 55 62 58 58 80 0 80 04
DOWNTOWN SE 10 43 359 43 31 0 359 02
EL CAJON LES 218 104 235 147 219 0 235 02
KEARNY MESA 60 52 61 64 66 0 66 04
OTAY MESA DVN 7 13 35 57 185 0 185 04
PENDLETON 63 67 64 66 66 0 67 01
13 SIGTHETA ° ALPINE 48 43 41 28 20 36 48 00
CHULA VISTA 22 13 28 53 48 33 53 03
DOWNTOWN SE 39 43 43 18 19 32 43 01
EL CAJON LES 58 33 42 50 57 48 58 00
KEARNY MESA 5 8 6 4 6 6 8 01
OTAY MESA DVN 40 22 60 36 55 43 60 02
PENDLETON 8 8 8 8 7 8 8 00
14 VWSP MPH ALPINE 1.2 1.6 1.0 1.7 2.5 .0 2.5 04
CHULA VISTA 2.0 4.8 3.7 1.6 2.4 .0 4.8 01
DOWNTOWN SE 1.1 3.0 1.3 3.7 6.0 .0 6.0 04
EL CAJON LES .9 1.5 .6 .7 .5 .0 1.5 01
KEARNY MESA 5.4 7.1 6.0 7.5 8.1 .0 8.1 04
OTAY MESA DVN 4.0 4.4 3.1 2.0 .2 .0 4.4 01
PENDLETON 8.5 9.6 9.2 10.1 9.5 .0 10.1 03
15 SWSP MPH ALPINE 1.8 2.2 2.4 2.8 2.7 2.4 2.8 03
CHULA VISTA 2.1 4.9 3.9 2.0 3.3 3.2 4.9 01
DOWNTOWN SE 1.8 3.4 1.7 3.9 6.1 3.4 6.1 04
EL CAJON LES 1.4 1.7 1.6 2.1 1.3 1.6 2.1 03
KEARNY MESA 5.5 7.2 6.1 7.6 8.1 6.9 8.1 04
OTAY MESA DVN 4.7 5.1 4.9 3.3 2.1 4.0 5.1 01
PENDLETON 8.6 9.7 9.2 10.2 9.6 9.5 10.2 03
16 AMBTEMP °F ALPINE 54.5 54.7 54.8 54.5 55.6 54.8 55.6 04
CARMEL MT RCH 54.4 51.2 50.8 49.6 50.2 51.2 54.4 00
CHULA VISTA 49.9 52.4 51.4 49.0 49.4 50.4 52.4 01
DOWNTOWN SE 49.7 50.2 48.4 50.7 52.7 50.3 52.7 04
EL CAJON LES 43.2 41.6 40.0 38.7 37.6 40.2 43.2 00
KEARNY MESA 53.0 51.0 49.7 49.0 48.8 50.3 53.0 00
OTAY MESA DVN 56.5 57.0 55.9 56.9 55.4 56.3 57.0 01
PENDLETON 52.4 49.6 48.7 48.4 48.1 49.4 52.4 00
Current Date: 1/27/2026 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 51.4 48.6 49.4 47.6 50.1 49.4 51.4 00
17 RELHUM % ALPINE 11 10 9 9 8 9 11 00
EL CAJON LES 53 60 66 69 73 64 73 04
KEARNY MESA 27 29 32 33 32 31 33 03
18 PRES mmHg EL CAJON LES 755 755 755 755 754 755 755 00
KEARNY MESA 756 755 756 755 755 755 756 00
19 SOLAR W/M2 EL CAJON LES -1 -1 0 0 0 0 0 02
KEARNY MESA 1 1 1 1 1 1 1 00
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 00
25 NOY EL CAJON LES 26.08 23.18 24.31 24.98 26.78 25.06 26.78 04
26 NOY-NO EL CAJON LES 21.71 21.10 20.33 20.03 19.66 20.56 21.71 00
27 NO Trace EL CAJON LES 4.37 2.08 3.97 4.95 7.11 4.49 7.11 04
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 00
29 CO Tr PPB EL CAJON LES 424.1 404.3 C C C 414.2 424.1 00
BCarbon ug/m3 10TH AVE MARIN .84 1.07 1.14 .75 < .95 1.14 02
ALPINE .04 .04 .04 .05 .04 .04 .05 03
BOSTON AVE .59 .59 .49 .52 .51 .54 .59 00
CHICANO PARK .46 < .42 .31 .22 .35 .46 00
DOWNTOWN SE < 1.10 .24 .17 .13 .41 1.10 01
OCEANVIEW BLV 1.38 < .75 .50 .24 .72 1.38 00
OTAY MESA DVN .37 .20 .12 .10 .08 .17 .37 00
SAN YSIDRO 1.61 1.65 1.82 .86 1.11 1.41 1.82 02
PM10 STD ALPINE 4.7 4.6 4.4 4.7 3.5 4.3 4.7 00
CARMEL MT RCH 9.4 43.5 10.9 10.8 10.6 17.0 43.5 01
CHULA VISTA 8.5 7.8 7.0 6.6 7.2 7.4 8.5 00
DOWNTOWN SE 10.2 9.2 8.9 7.3 7.2 8.5 10.2 00
EL CAJON LES 16.1 16.0 15.0 16.4 16.0 15.9 16.4 03
KEARNY MESA 7.9 7.7 7.2 8.2 8.4 7.8 8.4 04
OTAY MESA DVN 22.3 14.3 10.8 11.2 10.5 13.8 22.3 00
PENDLETON 8.2 9.3 8.5 9.5 7.2 8.5 9.5 03
SAN YSIDRO 33.1 30.7 49.9 19.9 36.3 33.9 49.9 02
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 00