Current Date: 4/19/2026 5:09 AM
Daily Parameter Report
4/19/2026
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 .053 C C .056 .057 .055 .057 04
CHULA VISTA .023 C C .018 .014 .018 .023 00
DOWNTOWN SE .029 C C .026 .025 .026 .029 00
EL CAJON LES .023 C C C .015 .019 .023 00
KEARNY MESA .022 C C .022 .021 .021 .022 00
OTAY MESA DVN .028 C C .026 .028 .027 .028 00
PENDLETON .027 C C .025 .022 .024 .027 00
03 NO2 PPB ALPINE 1.6 C C 1.3 1.4 1.4 1.6 00
CARMEL MT RCH 11.5 C C 10.1 11.2 10.9 11.5 00
CHULA VISTA 10.1 C C 6.8 7.9 8.2 10.1 00
DOWNTOWN SE 11.0 C C 8.9 9.5 9.8 11.0 00
EL CAJON LES 5.2 C C C 4.7 4.9 5.2 00
KEARNY MESA 8.1 C C 5.5 5.7 6.4 8.1 00
OTAY MESA DVN 6.7 C C 7.9 6.3 6.9 7.9 03
PENDLETON 3.6 C C 3.5 4.5 3.8 4.5 04
SAN YSIDRO 12.0 C C 9.0 4.9 8.6 12.0 00
06 CO PPM CARMEL MT RCH .4 C C .3 .3 .3 .4 00
SAN YSIDRO .5 C C .3 .3 .4 .5 00
07 H2S PPB IB CIVIC CTR 82.4 70.4 6.7 1.8 5.1 33.2 82.4 00
NESTOR - BES 193.9 42.9 14.9 25.7 35.7 62.6 193.9 00
SAN YSIDRO 2.4 3.1 .9 3.3 2.3 2.4 3.3 03
10 INTMP °C ALPINE 27 26 27 27 27 27 27 00
CARMEL MT RCH 25 25 25 25 25 25 25 00
CHULA VISTA 24 25 25 24 25 25 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 00
KEARNY MESA 25 24 24 24 24 24 25 00
OTAY MESA DVN 28 28 28 28 28 28 28 00
PENDLETON 26 26 26 26 26 26 26 00
SAN YSIDRO 24 25 25 25 25 25 25 01
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 00
NESTOR - BES 26 26 27 26 26 26 27 02
11 PM2.5 µg/M3 ALPINE 6.8 6.8 6.8 6.5 6.3 6.6 6.8 00
CARMEL MT RCH 7.8 8.3 7.8 6.5 7.4 7.5 8.3 01
CHULA VISTA 8.7 8.9 8.2 8.4 8.5 8.5 8.9 01
DOWNTOWN SE 7.5 8.4 8.9 10.1 9.7 8.9 10.1 03
EL CAJON LES 8.8 9.0 8.9 9.1 9.0 8.9 9.1 03
KEARNY MESA 8.0 8.5 8.3 7.8 8.1 8.1 8.5 01
Current Date: 4/19/2026 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 16.2 17.3 13.1 22.8 23.5 18.5 23.5 04
PENDLETON 6.6 6.9 6.8 7.1 7.3 6.9 7.3 04
SAN YSIDRO 11.2 11.5 9.2 10.0 10.1 10.4 11.5 01
12 VWDR ° ALPINE 51 116 71 88 360 0 360 04
CHULA VISTA 142 76 68 116 115 0 142 00
DOWNTOWN SE 296 352 357 340 21 0 357 02
EL CAJON LES 179 107 143 118 121 0 179 00
KEARNY MESA 347 53 33 9 58 0 347 00
OTAY MESA DVN 32 1 23 64 23 0 64 03
PENDLETON 54 48 49 65 68 0 68 04
13 SIGTHETA ° ALPINE 21 35 32 20 63 34 63 04
CHULA VISTA 57 17 27 29 35 33 57 00
DOWNTOWN SE 34 24 16 25 22 24 34 00
EL CAJON LES 64 25 56 21 36 40 64 00
KEARNY MESA 17 17 11 19 22 17 22 04
OTAY MESA DVN 55 31 34 65 23 42 65 03
PENDLETON 10 7 8 9 8 8 10 00
14 VWSP MPH ALPINE 1.5 1.1 .9 1.9 .5 .0 1.9 03
CHULA VISTA .9 1.4 1.2 1.4 1.4 .0 1.4 01
DOWNTOWN SE .7 1.8 1.9 1.4 1.6 .0 1.9 02
EL CAJON LES .6 1.7 1.1 1.5 1.4 .0 1.7 01
KEARNY MESA 2.3 2.6 3.6 2.9 2.4 .0 3.6 02
OTAY MESA DVN .6 3.3 2.4 .9 1.7 .0 3.3 01
PENDLETON 4.0 4.2 4.4 4.4 4.1 .0 4.4 02
15 SWSP MPH ALPINE 1.8 1.3 1.1 2.1 1.1 1.5 2.1 03
CHULA VISTA 1.3 1.6 1.4 1.6 1.6 1.5 1.6 01
DOWNTOWN SE 1.1 1.9 2.0 1.7 1.7 1.7 2.0 02
EL CAJON LES 1.5 2.2 1.9 1.9 2.2 1.9 2.2 01
KEARNY MESA 2.5 2.8 3.7 3.4 2.5 3.0 3.7 02
OTAY MESA DVN 1.5 3.8 2.8 1.7 2.1 2.4 3.8 01
PENDLETON 4.1 4.2 4.5 4.5 4.2 4.3 4.5 02
16 AMBTEMP °F ALPINE 63.3 61.3 61.7 62.1 61.6 62.0 63.3 00
CARMEL MT RCH 59.2 58.5 58.3 57.4 56.2 57.9 59.2 00
CHULA VISTA 60.3 59.7 59.3 57.9 57.3 58.9 60.3 00
DOWNTOWN SE 61.3 60.8 60.1 59.0 59.0 60.0 61.3 00
EL CAJON LES 59.5 58.6 57.3 55.9 54.9 57.2 59.5 00
KEARNY MESA 57.1 56.6 56.8 55.7 54.8 56.2 57.1 00
OTAY MESA DVN 59.2 58.7 58.2 57.3 57.3 58.1 59.2 00
PENDLETON 58.8 59.0 58.1 57.4 56.9 58.0 59.0 01
Current Date: 4/19/2026 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 60.7 60.1 59.9 61.2 61.7 60.7 61.7 04
17 RELHUM % ALPINE 30 34 32 30 31 31 34 01
EL CAJON LES 83 87 89 90 91 88 91 04
KEARNY MESA 89 90 90 93 95 91 95 04
18 PRES mmHg EL CAJON LES 747 747 746 746 746 746 747 00
KEARNY MESA 748 748 747 747 747 747 748 00
19 SOLAR W/M2 EL CAJON LES 1 0 -1 -1 0 0 1 00
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 5.50 4.80 4.93 4.79 C 5.00 5.50 00
26 NOY-NO EL CAJON LES 5.46 4.72 4.81 4.76 C 4.93 5.46 00
27 NO Trace EL CAJON LES .04 .07 .11 .03 C .06 .11 02
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 246.8 C C C 260.1 253.4 260.1 04
BCarbon ug/m3 10TH AVE MARIN < .23 .46 .51 .62 .46 .62 04
ALPINE .09 < .10 < .09 .09 .10 02
BOSTON AVE .40 .59 .86 .98 1.08 .78 1.08 04
CHICANO PARK .25 .45 .60 < .84 .54 .84 04
DOWNTOWN SE < < .70 < .62 .66 .70 02
OCEANVIEW BLV .60 .49 < .84 .66 .65 .84 03
OTAY MESA DVN 1.26 < .98 3.02 2.23 1.87 3.02 03
SAN YSIDRO .47 .63 .32 .40 .33 .43 .63 01
PM10 STD ALPINE 40.5 36.7 39.4 39.3 37.5 38.6 40.5 00
CARMEL MT RCH 22.4 22.4 20.5 19.5 21.5 21.2 22.4 00
CHULA VISTA 24.8 24.1 22.8 21.6 23.6 23.3 24.8 00
DOWNTOWN SE 23.4 23.6 27.5 29.2 27.9 26.3 29.2 03
EL CAJON LES 25.6 25.7 23.3 23.4 22.2 24.0 25.7 01
KEARNY MESA 24.9 24.0 24.0 23.4 23.9 24.0 24.9 00
OTAY MESA DVN 54.1 57.6 37.3 52.0 86.8 57.5 86.8 04
PENDLETON 20.1 22.1 24.4 22.9 21.4 22.1 24.4 02
SAN YSIDRO 32.9 29.8 26.4 27.7 27.1 28.7 32.9 00
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 00