Current Date: 4/18/2026 8:09 AM
Daily Parameter Report
4/18/2026
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 .039 .046 C C .056 .055 .053 .053 .050 .056 04
CHULA VISTA .023 .023 C C .018 .014 .018 .026 .020 .026 07
DOWNTOWN SE .023 .023 C C .016 .014 .018 .029 .020 .029 07
EL CAJON LES .021 .022 C C C .019 .016 .023 .020 .023 07
KEARNY MESA .025 .026 C C .019 .010 .019 .042 .023 .042 07
OTAY MESA DVN .028 .031 C C .025 .020 .027 .037 .028 .037 07
PENDLETON .029 .026 C C .030 .022 .022 .031 .026 .031 07
03 NO2 PPB ALPINE 3.7 2.5 C C 1.5 2.8 1.9 3.2 2.6 3.7 00
CARMEL MT RCH 11.4 9.7 C C 15.4 12.9 7.7 9.8 11.1 15.4 04
CHULA VISTA 12.0 10.2 C C 8.1 12.2 10.7 7.7 10.1 12.2 05
DOWNTOWN SE 14.0 10.8 C C 10.1 11.1 10.0 6.6 10.4 14.0 00
EL CAJON LES 5.1 2.7 C C C 4.3 6.6 6.8 5.1 6.8 07
KEARNY MESA 5.4 3.8 C C 6.6 12.8 6.4 2.3 6.2 12.8 05
OTAY MESA DVN 7.3 7.7 C C 4.0 10.5 7.5 3.2 6.7 10.5 05
PENDLETON 5.3 4.9 C C 2.6 4.1 3.9 2.8 3.9 5.3 00
SAN YSIDRO 8.1 7.9 C C 19.3 18.7 22.5 25.1 16.9 25.1 07
06 CO PPM CARMEL MT RCH .4 .3 C C .5 .6 .4 .5 .5 .6 05
SAN YSIDRO .3 .2 C C .5 .6 .7 .7 .5 .7 06
07 H2S PPB IB CIVIC CTR 42.5 2.4 1.6 1.1 .9 1.1 1.7 2.2 6.6 42.5 00
NESTOR - BES 22.1 7.2 2.7 1.7 1.2 1.3 3.7 3.5 5.4 22.1 00
SAN YSIDRO .6 .4 .5 1.4 2.4 2.9 3.6 3.1 1.8 3.6 06
10 INTMP °C ALPINE 26 26 26 26 26 26 26 26 26 26 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 24 25 25 25 25 25 25 25 25 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 23 24 24 25 24 24 24 25 05
OTAY MESA DVN 27 27 27 27 27 27 26 26 27 27 00
PENDLETON 26 26 26 26 26 25 25 26 26 26 00
SAN YSIDRO 24 24 24 24 24 23 23 23 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 27 27 00
NESTOR - BES 27 27 27 26 26 25 26 25 26 27 00
11 PM2.5 µg/M3 ALPINE 7.6 6.8 6.3 5.9 5.6 5.5 5.6 5.6 6.1 7.6 00
CARMEL MT RCH 7.4 7.4 7.5 7.8 7.9 7.7 7.7 8.4 7.7 8.4 07
CHULA VISTA 8.9 7.8 7.9 7.9 8.2 8.7 10.6 14.8 9.3 14.8 07
DOWNTOWN SE 9.3 9.9 10.7 10.2 10.0 9.8 10.1 10.0 10.0 10.7 02
EL CAJON LES 8.6 8.1 7.9 7.2 6.7 6.6 7.8 8.3 7.6 8.6 00
KEARNY MESA 7.1 7.3 7.6 8.1 8.2 7.5 7.7 8.9 7.8 8.9 07
Current Date: 4/18/2026 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 23.4 20.2 17.3 17.2 15.3 17.8 15.1 10.3 17.0 23.4 00
PENDLETON 7.8 8.2 8.5 9.0 9.1 8.7 8.4 7.8 8.4 9.1 04
SAN YSIDRO 8.6 8.8 9.0 18.2 28.1 28.6 36.3 36.7 21.7 36.7 07
12 VWDR ° ALPINE 101 74 58 78 103 86 120 180 0 180 07
CHULA VISTA 93 67 89 75 45 82 60 17 0 93 00
DOWNTOWN SE 35 78 51 39 52 27 62 41 0 78 01
EL CAJON LES 93 98 81 103 94 101 151 8 0 151 06
KEARNY MESA 65 61 63 58 55 68 67 40 0 68 05
OTAY MESA DVN 31 94 68 16 23 99 343 324 0 343 06
PENDLETON 67 66 56 48 49 48 46 63 0 67 00
13 SIGTHETA ° ALPINE 35 25 27 29 24 32 29 34 29 35 00
CHULA VISTA 19 46 48 29 22 28 22 44 32 48 02
DOWNTOWN SE 14 36 17 19 21 34 19 42 25 42 07
EL CAJON LES 36 12 14 11 40 35 60 74 35 74 07
KEARNY MESA 6 7 5 8 9 6 19 41 13 41 07
OTAY MESA DVN 14 11 30 51 39 51 35 19 31 51 03
PENDLETON 6 8 10 12 7 16 13 14 11 16 05
14 VWSP MPH ALPINE .9 1.2 1.0 1.7 1.6 .9 1.0 1.3 .0 1.7 03
CHULA VISTA 1.3 1.0 .4 1.4 1.4 1.1 2.0 1.6 .0 2.0 06
DOWNTOWN SE 1.8 .8 3.2 2.5 2.1 1.9 2.6 1.6 .0 3.2 02
EL CAJON LES 1.4 3.4 3.8 2.4 1.3 1.4 .2 .4 .0 3.8 02
KEARNY MESA 3.8 4.7 5.1 4.4 3.4 2.8 2.5 1.5 .0 5.1 02
OTAY MESA DVN 1.0 2.0 1.0 .8 1.4 1.2 1.6 2.9 .0 2.9 07
PENDLETON 4.6 5.5 3.9 5.9 8.9 5.7 5.3 5.5 .0 8.9 04
15 SWSP MPH ALPINE 1.2 1.4 1.2 2.1 1.7 1.1 1.2 2.0 1.5 2.1 03
CHULA VISTA 1.4 1.2 .7 1.6 1.6 1.2 2.1 2.1 1.5 2.1 06
DOWNTOWN SE 1.9 1.2 3.3 2.7 2.4 2.1 2.8 2.2 2.3 3.3 02
EL CAJON LES 1.8 3.5 4.0 2.4 1.5 1.5 1.0 1.4 2.1 4.0 02
KEARNY MESA 3.8 4.8 5.1 4.5 3.4 2.8 2.7 2.1 3.7 5.1 02
OTAY MESA DVN 1.4 2.1 1.5 1.7 1.6 1.6 1.9 3.1 1.9 3.1 07
PENDLETON 4.6 5.6 4.0 6.0 9.0 6.1 5.7 5.7 5.8 9.0 04
16 AMBTEMP °F ALPINE 53.3 54.9 55.3 57.7 58.1 59.0 61.6 66.5 58.3 66.5 07
CARMEL MT RCH 57.3 56.0 55.2 53.8 53.1 53.3 56.8 62.5 56.0 62.5 07
CHULA VISTA 59.2 58.2 57.0 56.3 55.7 55.5 58.9 63.3 58.0 63.3 07
DOWNTOWN SE 60.5 59.4 58.6 57.9 56.9 56.4 59.2 63.4 59.0 63.4 07
EL CAJON LES 57.5 55.8 55.4 54.0 53.4 52.7 56.0 61.1 55.7 61.1 07
KEARNY MESA 56.1 55.6 55.0 54.8 55.0 54.0 59.6 65.3 56.9 65.3 07
OTAY MESA DVN 57.8 57.3 57.0 56.3 54.6 54.2 57.3 62.2 57.1 62.2 07
PENDLETON 60.1 59.4 59.3 58.5 56.9 55.7 57.1 62.7 58.7 62.7 07
Current Date: 4/18/2026 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 58.8 57.8 57.2 56.5 55.6 55.2 59.5 64.6 58.2 64.6 07
17 RELHUM % ALPINE 89 70 65 49 41 34 33 24 51 89 00
EL CAJON LES 86 86 84 84 79 77 74 62 79 86 00
KEARNY MESA 90 91 93 92 92 92 84 69 88 93 02
18 PRES mmHg EL CAJON LES 749 749 748 748 748 748 748 748 748 749 00
KEARNY MESA 750 749 749 748 748 749 749 749 749 750 00
19 SOLAR W/M2 EL CAJON LES -1 -1 0 -1 0 30 200 426 82 426 07
KEARNY MESA 2 1 1 1 1 36 216 451 89 451 07
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 10 21 4 21 07
25 NOY EL CAJON LES 5.54 3.23 3.01 3.26 3.01 C C 10.31 4.72 10.31 07
26 NOY-NO EL CAJON LES 5.52 3.22 2.98 3.24 2.98 C C 6.68 4.10 6.68 07
27 NO Trace EL CAJON LES .02 .01 .03 .02 .02 C C 3.63 .62 3.63 07
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 223.9 179.8 C C C 232.7 274.4 285.8 239.3 285.8 07
BCarbon ug/m3 10TH AVE MARIN .44 .46 .55 .45 .44 .50 < 1.27 .59 1.27 07
ALPINE .19 < .12 .10 < .10 .13 < .13 .19 00
BOSTON AVE .83 .91 .86 .52 2.30 .78 .75 .73 .96 2.30 04
CHICANO PARK .53 .48 .39 .33 .35 .46 .55 .43 .44 .55 06
DOWNTOWN SE .41 < .27 .28 .29 .37 .36 < .33 .41 00
OCEANVIEW BLV .58 .82 .63 < .36 .46 .40 .31 .51 .82 01
OTAY MESA DVN 1.78 1.47 1.35 < .55 < .66 .44 1.04 1.78 00
SAN YSIDRO .19 .30 .26 < 2.96 < 3.49 3.36 1.76 3.49 06
PM10 STD ALPINE 21.9 24.3 24.6 28.9 30.3 32.5 32.3 34.4 28.6 34.4 07
CARMEL MT RCH 16.5 17.0 17.1 17.9 18.7 21.8 21.3 23.4 19.2 23.4 07
CHULA VISTA 21.5 19.5 18.5 19.9 20.0 23.5 28.5 41.2 24.0 41.2 07
DOWNTOWN SE 22.9 24.1 24.3 23.9 23.4 23.6 26.6 26.9 24.4 26.9 07
EL CAJON LES 20.4 20.2 20.5 19.0 20.8 21.3 25.7 28.2 22.0 28.2 07
KEARNY MESA 16.7 17.0 18.1 18.4 19.1 18.0 21.6 26.9 19.4 26.9 07
OTAY MESA DVN 109.4 100.3 62.4 85.2 83.9 116.4 74.6 36.1 83.5 116.4 05
PENDLETON 19.4 20.0 21.8 23.4 21.9 20.5 21.8 29.1 22.2 29.1 07
SAN YSIDRO 19.9 21.9 20.3 46.0 62.8 63.9 88.3 90.7 51.7 90.7 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00