Current Date: 4/20/2026 7:09 AM
Daily Parameter Report
4/20/2026
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 .040 .031 C C .040 .033 .033 .035 .040 00
CHULA VISTA .047 .041 C C .030 .022 .028 .033 .047 00
DOWNTOWN SE .043 .038 C C .035 .021 .024 .032 .043 00
EL CAJON LES .041 .040 C C C .035 .036 .038 .041 00
KEARNY MESA .027 .030 C C .027 .018 .021 .024 .030 01
OTAY MESA DVN .041 .041 C C .040 .032 .037 .038 .041 00
PENDLETON .026 .029 C C .022 .022 .027 .025 .029 01
03 NO2 PPB ALPINE 3.4 4.1 C C 2.9 5.5 5.5 4.2 5.5 05
CARMEL MT RCH 5.1 8.8 C C 4.5 2.9 3.7 5.0 8.8 01
CHULA VISTA 1.9 2.7 C C 10.4 16.7 14.5 9.2 16.7 05
DOWNTOWN SE 4.7 6.0 C C 8.9 19.0 18.4 11.4 19.0 05
EL CAJON LES 2.3 2.0 C C C 1.9 1.6 1.9 2.3 00
KEARNY MESA 7.2 5.0 C C 12.9 22.9 13.8 12.3 22.9 05
OTAY MESA DVN 1.7 1.6 C C 2.7 12.0 7.1 5.0 12.0 05
PENDLETON 3.5 3.2 C C 5.5 5.9 8.1 5.2 8.1 06
SAN YSIDRO 10.4 14.9 C C 15.3 15.0 19.5 15.0 19.5 06
06 CO PPM CARMEL MT RCH .2 .3 C C .2 .2 .2 .2 .3 01
SAN YSIDRO .3 .3 C C .4 .5 .6 .4 .6 06
07 H2S PPB IB CIVIC CTR 15.9 168.9 152.2 158.7 167.3 63.6 29.5 108.0 168.9 01
NESTOR - BES 341.0 148.9 221.9 129.7 25.0 19.0 8.5 127.7 341.0 00
SAN YSIDRO 2.8 2.4 6.4 3.6 2.1 1.7 1.4 2.9 6.4 02
10 INTMP °C ALPINE 27 27 27 27 27 27 27 27 27 00
CARMEL MT RCH 24 25 25 25 25 24 24 25 25 01
CHULA VISTA 24 25 24 24 25 25 24 24 25 01
DOWNTOWN SE 25 25 25 24 24 24 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 24 00
OTAY MESA DVN 28 28 28 28 28 28 28 28 28 00
PENDLETON 26 26 26 26 26 25 25 26 26 00
SAN YSIDRO 25 24 25 25 25 24 24 25 25 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 27 27 00
NESTOR - BES 26 26 26 27 27 26 26 26 27 03
11 PM2.5 µg/M3 ALPINE 8.4 7.2 8.7 11.6 12.9 11.6 11.3 10.2 12.9 04
CARMEL MT RCH 7.1 7.1 7.0 7.4 8.0 8.7 8.8 7.7 8.8 06
CHULA VISTA 6.8 7.2 7.5 7.3 7.7 8.4 8.9 7.6 8.9 06
DOWNTOWN SE 9.5 8.6 9.0 8.9 9.8 10.3 11.7 9.6 11.7 06
EL CAJON LES 8.1 10.2 10.1 9.7 9.5 9.0 8.7 9.3 10.2 01
KEARNY MESA 6.8 7.1 7.0 7.0 7.2 7.7 8.2 7.2 8.2 06
Current Date: 4/20/2026 7:09 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 8.9 8.8 9.0 9.9 9.3 13.4 13.2 10.3 13.4 05
PENDLETON 6.6 6.5 6.6 6.7 7.1 7.3 7.6 6.9 7.6 06
SAN YSIDRO 8.0 8.6 10.6 10.0 9.6 11.1 14.3 10.3 14.3 06
12 VWDR ° ALPINE 144 324 302 170 116 118 136 0 324 01
CHULA VISTA 286 179 175 134 121 106 110 0 286 00
DOWNTOWN SE 353 326 323 328 16 40 138 0 353 00
EL CAJON LES 126 157 195 141 128 112 99 0 195 02
KEARNY MESA 64 16 332 18 59 43 339 0 339 06
OTAY MESA DVN 357 352 348 45 218 87 85 0 357 00
PENDLETON 45 48 49 52 53 49 61 0 61 06
13 SIGTHETA ° ALPINE 43 55 39 65 66 40 61 53 66 04
CHULA VISTA 34 15 11 16 12 14 32 19 34 00
DOWNTOWN SE 22 14 15 17 17 39 40 23 40 06
EL CAJON LES 43 20 22 22 15 17 15 22 43 00
KEARNY MESA 4 21 11 12 24 16 60 21 60 06
OTAY MESA DVN 22 23 26 45 35 11 35 28 45 03
PENDLETON 11 8 8 9 8 6 10 9 11 00
14 VWSP MPH ALPINE .6 .7 1.1 .6 .3 .6 .4 .0 1.1 02
CHULA VISTA 1.8 2.2 2.4 1.6 1.7 1.5 1.1 .0 2.4 02
DOWNTOWN SE 2.0 2.3 2.6 2.3 1.4 .9 .9 .0 2.6 02
EL CAJON LES .9 3.1 2.7 2.6 4.0 4.9 5.0 .0 5.0 06
KEARNY MESA 3.3 1.7 2.6 1.3 2.2 2.1 .5 .0 3.3 00
OTAY MESA DVN 1.8 2.1 2.0 1.5 .5 3.7 .7 .0 3.7 05
PENDLETON 5.7 5.2 5.4 5.7 6.4 7.6 6.2 .0 7.6 05
15 SWSP MPH ALPINE 1.5 1.0 1.5 1.4 1.5 1.5 1.2 1.4 1.5 00
CHULA VISTA 2.1 2.3 2.5 1.7 1.8 1.5 1.3 1.9 2.5 02
DOWNTOWN SE 2.2 2.3 2.7 2.4 1.5 1.0 1.2 1.9 2.7 02
EL CAJON LES 1.7 3.4 3.0 2.7 4.2 5.1 5.1 3.6 5.1 05
KEARNY MESA 3.3 1.9 2.6 1.9 2.4 2.3 1.2 2.2 3.3 00
OTAY MESA DVN 2.0 2.2 2.3 2.4 1.8 3.8 1.8 2.3 3.8 05
PENDLETON 5.8 5.2 5.5 5.8 6.4 7.6 6.4 6.1 7.6 05
16 AMBTEMP °F ALPINE 53.3 51.5 51.5 52.1 52.4 51.4 53.0 52.2 53.3 00
CARMEL MT RCH 57.9 58.3 58.5 58.6 59.2 59.1 60.5 58.9 60.5 06
CHULA VISTA 62.8 62.1 61.0 60.2 59.2 59.0 61.5 60.8 62.8 00
DOWNTOWN SE 61.4 60.7 60.9 60.8 59.6 58.9 61.4 60.5 61.4 00
EL CAJON LES 61.9 61.3 61.4 61.4 60.9 59.7 61.1 61.1 61.9 00
KEARNY MESA 57.1 57.6 58.0 59.2 58.0 57.6 59.6 58.2 59.6 06
OTAY MESA DVN 59.8 59.9 59.7 59.7 58.7 58.2 60.1 59.4 60.1 06
PENDLETON 57.7 58.2 57.8 56.7 56.7 56.4 59.3 57.5 59.3 06
Current Date: 4/20/2026 7:09 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 61.0 60.6 60.5 59.6 58.0 57.9 61.5 59.9 61.5 06
17 RELHUM % ALPINE 100 100 100 100 100 100 95 99 100 00
EL CAJON LES 85 86 85 83 83 84 78 83 86 01
KEARNY MESA 93 92 92 90 89 86 84 89 93 00
18 PRES mmHg EL CAJON LES 748 748 748 748 748 749 749 748 749 05
KEARNY MESA 749 749 749 749 749 749 750 749 750 06
19 SOLAR W/M2 EL CAJON LES 3 2 2 2 1 27 185 32 185 06
KEARNY MESA 1 1 2 1 1 36 140 26 140 06
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 9 2 9 06
25 NOY EL CAJON LES 3.21 3.20 2.96 2.86 2.67 C C 2.98 3.21 00
26 NOY-NO EL CAJON LES 3.19 3.17 2.94 2.84 2.64 C C 2.95 3.19 00
27 NO Trace EL CAJON LES .01 .02 .01 .01 .02 C C .01 .02 01
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 192.1 198.6 C C C 199.0 198.8 197.1 199.0 05
BCarbon ug/m3 10TH AVE MARIN .30 .24 .28 .21 .19 .52 < .29 .52 05
ALPINE .22 .23 .23 .25 .23 .27 .27 .24 .27 05
BOSTON AVE .26 .26 .30 .35 .82 1.29 .74 .57 1.29 05
CHICANO PARK < < < .25 .39 .81 .69 .54 .81 05
DOWNTOWN SE .25 .27 .25 .22 .32 .45 < .29 .45 05
OCEANVIEW BLV < .26 .26 < .37 < .57 .37 .57 06
OTAY MESA DVN .13 .14 .16 .30 .25 1.30 .67 .42 1.30 05
SAN YSIDRO .30 .78 .73 .72 .59 .67 < .63 .78 01
PM10 STD ALPINE 13.8 13.1 15.0 21.7 25.4 26.7 30.4 20.8 30.4 06
CARMEL MT RCH 18.8 22.5 20.2 20.7 21.1 24.0 24.0 21.6 24.0 05
CHULA VISTA 22.9 24.7 23.6 22.4 25.8 30.4 30.1 25.7 30.4 05
DOWNTOWN SE 27.4 25.9 26.9 26.2 27.7 29.7 34.2 28.2 34.2 06
EL CAJON LES 24.7 28.4 29.0 27.6 26.9 23.5 25.1 26.4 29.0 02
KEARNY MESA 21.4 22.5 23.1 21.9 20.9 25.2 25.9 22.9 25.9 06
OTAY MESA DVN 35.9 26.4 27.3 36.0 30.3 66.1 53.7 39.3 66.1 05
PENDLETON 19.6 19.4 18.9 19.2 19.4 19.0 20.7 19.4 20.7 06
SAN YSIDRO 24.5 26.3 30.5 29.5 29.2 29.4 44.0 30.4 44.0 06
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 00