Current Date: 5/12/2026 8:09 AM
Daily Parameter Report
5/12/2026
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 .026 .022 C C .025 .023 .023 .027 .024 .027 07
CHULA VISTA .059 .059 C C .048 .046 .046 .046 .050 .059 00
DOWNTOWN SE .058 .054 C C .045 .043 .044 .044 .048 .058 00
EL CAJON LES .035 .035 C C C .042 .043 .039 .038 .043 06
KEARNY MESA .057 .053 C C .051 .044 .042 .042 .048 .057 00
OTAY MESA DVN .040 .040 C C .042 .039 .032 .028 .036 .042 04
PENDLETON .048 .049 C C .035 .041 .044 .044 .043 .049 01
03 NO2 PPB ALPINE 6.1 5.9 C C 3.7 4.3 3.5 3.5 4.5 6.1 00
CARMEL MT RCH 4.5 6.9 C C 3.7 2.5 3.2 3.5 4.0 6.9 01
CHULA VISTA 1.3 1.2 C C 1.7 3.0 3.2 3.2 2.2 3.2 06
DOWNTOWN SE 2.3 2.2 C C 2.5 5.0 4.7 3.7 3.4 5.0 05
EL CAJON LES 2.7 2.6 C C C 1.6 1.7 1.8 2.0 2.7 00
KEARNY MESA .9 1.3 C C 2.2 3.7 4.3 5.3 2.9 5.3 07
OTAY MESA DVN 2.7 2.5 C C 3.4 4.3 12.4 17.1 7.0 17.1 07
PENDLETON 1.4 1.8 C C 4.5 3.9 2.9 3.6 3.0 4.5 04
SAN YSIDRO 1.4 2.4 C C 5.8 9.4 8.3 9.8 6.1 9.8 07
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .2 .2 .2 .2 .2 00
SAN YSIDRO .2 .2 C C .3 .3 .3 .3 .3 .3 04
07 H2S PPB IB CIVIC CTR .6 .6 .5 .7 1.8 1.0 1.0 1.0 .9 1.8 04
NESTOR - BES 1.5 3.2 21.3 20.5 51.1 41.1 16.4 1.1 19.5 51.1 04
SAN YSIDRO 2.5 .8 1.5 2.3 4.9 1.5 1.8 2.5 2.2 4.9 04
10 INTMP °C ALPINE 26 26 27 26 27 27 26 27 27 27 02
CARMEL MT RCH 24 24 25 25 25 24 24 24 24 25 02
CHULA VISTA 24 25 24 24 24 25 24 24 24 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 25 25 25 25 25 25 24 25 25 01
OTAY MESA DVN 26 27 27 27 26 27 27 27 27 27 01
PENDLETON 26 26 26 26 26 26 26 26 26 26 00
SAN YSIDRO 25 25 25 25 25 25 25 24 25 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 26 00
NESTOR - BES 26 26 26 26 26 26 26 25 26 26 00
11 PM2.5 µg/M3 ALPINE 11.6 11.6 8.4 6.7 5.8 6.1 5.3 5.9 7.6 11.6 00
CARMEL MT RCH 12.7 11.0 11.3 9.7 8.4 7.8 7.5 6.9 9.4 12.7 00
CHULA VISTA 11.0 10.8 9.9 8.7 8.0 6.9 5.9 7.6 8.6 11.0 00
DOWNTOWN SE 16.9 16.0 17.0 15.0 11.4 10.2 9.1 8.5 13.0 17.0 02
EL CAJON LES 15.1 15.9 15.4 14.6 12.6 11.4 8.4 6.7 12.5 15.9 01
KEARNY MESA 11.0 10.1 11.0 10.0 11.9 10.1 8.9 8.9 10.2 11.9 04
Current Date: 5/12/2026 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 14.0 13.9 14.1 12.9 13.2 15.0 25.8 29.1 17.2 29.1 07
PENDLETON 10.4 11.4 11.8 11.1 9.6 8.3 7.3 6.9 9.6 11.8 02
SAN YSIDRO 14.3 13.4 12.5 10.6 9.1 8.1 9.3 11.9 11.1 14.3 00
12 VWDR ° ALPINE 233 308 328 254 241 255 182 285 0 328 02
CHULA VISTA 279 317 279 177 184 178 173 200 0 317 01
DOWNTOWN SE 274 14 82 208 222 219 215 228 0 274 00
EL CAJON LES 198 164 136 166 138 171 143 142 0 198 00
KEARNY MESA 282 254 42 27 77 42 201 223 0 282 00
OTAY MESA DVN 263 261 280 274 72 112 172 161 0 280 02
PENDLETON 262 77 116 316 8 218 209 218 0 316 03
13 SIGTHETA ° ALPINE 59 81 68 47 59 61 34 53 58 81 01
CHULA VISTA 32 83 67 26 19 14 25 24 36 83 01
DOWNTOWN SE 57 49 42 27 23 21 17 22 32 57 00
EL CAJON LES 23 38 22 18 19 19 21 18 22 38 01
KEARNY MESA 48 25 20 27 13 26 34 17 26 48 00
OTAY MESA DVN 10 21 32 48 26 40 32 22 29 48 03
PENDLETON 37 35 18 31 41 27 14 15 27 41 04
14 VWSP MPH ALPINE 1.0 .7 .7 .6 .7 1.3 2.2 1.1 .0 2.2 06
CHULA VISTA 2.5 .3 .7 1.9 2.7 3.7 2.7 2.9 .0 3.7 05
DOWNTOWN SE 1.7 1.2 1.4 2.7 2.3 3.2 4.5 4.2 .0 4.5 06
EL CAJON LES 3.2 1.8 2.6 3.4 2.8 3.6 3.1 3.9 .0 3.9 07
KEARNY MESA 1.3 1.0 1.7 .4 2.6 1.9 1.9 5.2 .0 5.2 07
OTAY MESA DVN 4.8 3.6 2.5 2.5 2.2 1.3 2.9 3.8 .0 4.8 00
PENDLETON 1.0 1.3 2.1 1.6 1.2 3.0 4.7 5.2 .0 5.2 07
15 SWSP MPH ALPINE 1.7 1.6 1.3 1.9 1.4 1.9 2.7 2.1 1.8 2.7 06
CHULA VISTA 3.2 1.4 1.7 2.2 2.9 3.9 3.0 3.3 2.7 3.9 05
DOWNTOWN SE 2.5 2.1 1.7 2.9 2.7 3.7 4.8 4.5 3.1 4.8 06
EL CAJON LES 3.4 2.4 2.8 3.6 3.0 3.9 3.4 4.1 3.3 4.1 07
KEARNY MESA 2.4 1.9 2.6 1.8 2.9 2.1 3.5 5.4 2.8 5.4 07
OTAY MESA DVN 4.9 3.8 3.3 2.9 2.4 2.1 3.4 4.2 3.4 4.9 00
PENDLETON 2.8 2.2 2.3 1.9 1.9 4.3 4.9 5.5 3.2 5.5 07
16 AMBTEMP °F ALPINE 56.2 55.6 54.9 54.9 54.9 54.9 54.7 55.4 55.2 56.2 00
CARMEL MT RCH 60.0 60.1 60.2 60.3 60.4 60.6 61.0 62.6 60.7 62.6 07
CHULA VISTA 62.3 62.4 62.2 62.3 62.4 62.3 62.7 64.0 62.6 64.0 07
DOWNTOWN SE 61.7 61.7 61.6 62.0 62.0 62.2 62.0 62.8 62.0 62.8 07
EL CAJON LES 61.9 61.7 61.4 61.4 61.3 61.2 61.5 61.7 61.5 61.9 00
KEARNY MESA 61.5 61.5 61.6 61.8 62.1 62.2 63.0 63.7 62.2 63.7 07
OTAY MESA DVN 59.9 59.3 59.4 59.3 59.5 60.0 61.1 61.9 60.1 61.9 07
PENDLETON 62.4 62.6 62.8 62.7 62.7 62.8 63.1 63.7 62.9 63.7 07
Current Date: 5/12/2026 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 62.6 62.4 62.4 62.1 62.1 62.9 63.8 64.9 62.9 64.9 07
17 RELHUM % ALPINE 100 100 100 100 100 100 100 100 100 100 00
EL CAJON LES 93 94 95 95 96 95 95 94 95 96 04
KEARNY MESA 97 98 96 95 94 95 91 87 94 98 01
18 PRES mmHg EL CAJON LES 748 748 748 748 748 748 749 749 748 749 06
KEARNY MESA 749 749 748 748 748 749 749 750 749 750 07
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 2 10 40 72 17 72 07
KEARNY MESA 1 1 1 1 2 8 43 88 18 88 07
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 3 5 1 5 07
25 NOY EL CAJON LES 4.20 4.52 4.34 3.69 3.14 C C 2.65 3.75 4.52 01
26 NOY-NO EL CAJON LES 4.18 4.50 4.33 3.67 3.12 C C 2.51 3.71 4.50 01
27 NO Trace EL CAJON LES .02 .01 .01 .01 .02 C C .13 .03 .13 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 206.4 200.7 C C C 178.1 177.8 187.2 190.0 206.4 00
BCarbon ug/m3 10TH AVE MARIN .42 .46 .41 .38 .36 .34 .61 .24 .40 .61 06
ALPINE .35 < .29 .25 .22 .24 < .20 .26 .35 00
BOSTON AVE .39 .35 .38 .30 .32 .33 .47 .26 .35 .47 06
CHICANO PARK .38 .54 .42 1.02 .64 .48 .36 .30 .52 1.02 03
DOWNTOWN SE .32 < < .36 .21 .24 .34 .23 .28 .36 03
OCEANVIEW BLV .37 < .29 .31 .31 .31 .36 < .33 .37 00
OTAY MESA DVN .36 .35 < .33 .34 .43 .99 < .47 .99 06
SAN YSIDRO .26 .24 .26 .27 .63 .33 .31 .36 .33 .63 04
PM10 STD ALPINE 18.4 16.4 11.2 8.9 7.8 9.0 7.7 9.0 11.0 18.4 00
CARMEL MT RCH 21.6 18.3 17.9 15.8 14.5 13.1 13.5 13.7 16.0 21.6 00
CHULA VISTA 20.8 20.0 17.4 16.3 16.2 14.0 11.5 16.8 16.6 20.8 00
DOWNTOWN SE 26.5 25.6 27.7 27.2 23.0 19.2 18.2 18.1 23.1 27.7 02
EL CAJON LES 24.4 26.0 25.6 24.6 21.9 19.3 14.7 12.9 21.1 26.0 01
KEARNY MESA 18.5 17.5 18.7 17.3 21.8 19.2 17.9 19.0 18.7 21.8 04
OTAY MESA DVN 24.5 23.3 23.2 21.6 26.3 27.6 54.0 67.7 33.5 67.7 07
PENDLETON 19.0 19.7 22.5 21.1 17.4 17.4 15.2 14.9 18.4 22.5 02
SAN YSIDRO 27.3 26.7 21.8 18.9 16.6 16.8 19.1 30.1 22.1 30.1 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00