Current Date: 5/18/2026 10:09 AM
Daily Parameter Report
5/18/2026
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 .038 C C .036 .036 .037 .037 .039 .042 .038 .042 09
CHULA VISTA .042 .041 C C .039 .038 .039 .040 .041 .043 .040 .043 09
DOWNTOWN SE .043 .043 C C .041 .040 .039 .039 .040 .041 .040 .043 00
EL CAJON LES .036 .036 C C C .034 .034 .035 C C .035 .036 00
KEARNY MESA .043 .044 C C .037 .036 .038 .039 .040 .043 .040 .044 01
OTAY MESA DVN .040 .041 C C .038 .035 .032 .033 .034 .042 .036 .042 09
PENDLETON .042 .043 C C .035 .033 .040 .041 M M .039 .043 01
03 NO2 PPB ALPINE 3.5 3.3 C C 2.9 3.2 3.3 3.6 3.3 3.1 3.2 3.6 07
CARMEL MT RCH 1.5 1.2 C C 1.5 2.4 2.8 11.6 10.4 11.7 5.3 11.7 09
CHULA VISTA 1.3 1.5 C C 2.6 4.2 3.7 4.0 2.4 1.7 2.6 4.2 05
DOWNTOWN SE 2.0 1.5 C C 4.0 4.4 3.7 2.9 2.4 2.6 2.9 4.4 05
EL CAJON LES 5.5 5.7 C C C 8.2 10.3 10.9 C C 8.1 10.9 07
KEARNY MESA .9 .6 C C 5.2 5.7 5.3 5.0 5.3 3.1 3.8 5.7 05
OTAY MESA DVN 1.9 1.6 C C 3.8 7.5 11.7 11.9 11.4 6.9 7.0 11.9 07
PENDLETON 1.5 1.2 C C 6.2 7.0 4.9 4.6 M M 4.2 7.0 05
SAN YSIDRO 4.4 6.2 C C 11.1 9.6 7.7 8.4 7.1 3.2 7.2 11.1 04
06 CO PPM CARMEL MT RCH .1 .1 C C .1 .2 .3 .4 .4 .4 .3 .4 07
SAN YSIDRO .2 .2 C C .4 .4 .3 .3 .3 .2 .3 .4 04
07 H2S PPB IB CIVIC CTR 1.0 3.7 5.5 5.4 4.9 6.9 2.5 1.1 .7 .6 3.2 6.9 05
NESTOR - BES 14.4 32.3 51.3 18.5 58.2 30.7 10.2 .9 M M 27.0 58.2 04
SAN YSIDRO .5 .6 .7 .8 1.4 1.6 .9 .8 .9 .7 .8 1.6 05
10 INTMP °C ALPINE 26 26 26 26 26 26 26 26 26 26 26 26 00
CARMEL MT RCH 24 24 25 25 25 25 25 24 25 25 25 25 02
CHULA VISTA 25 25 24 25 24 25 25 24 24 24 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 24 25 24 25 09
OTAY MESA DVN 25 25 25 25 25 25 25 25 25 24 25 25 00
PENDLETON 26 26 26 26 26 26 26 26 25 25 26 26 00
SAN YSIDRO 25 25 25 25 25 25 25 24 25 24 25 25 00
10 INTMP °C        IB CIVIC CTR 28 28 28 27 27 27 27 27 26 25 27 28 00
NESTOR - BES 26 27 27 26 26 26 26 26 25 25 26 27 01
11 PM2.5 µg/M3 ALPINE 15.1 16.1 17.2 17.2 14.2 14.6 13.9 13.8 14.0 14.3 15.0 17.2 02
CARMEL MT RCH 15.7 16.1 16.0 15.0 16.2 20.7 27.5 31.2 27.5 28.6 21.4 31.2 07
CHULA VISTA 16.1 15.8 16.3 19.2 33.1 38.7 36.6 29.8 19.5 14.9 24.0 38.7 05
DOWNTOWN SE 16.6 15.5 18.1 25.5 46.6 41.1 27.7 19.2 15.7 15.0 24.1 46.6 04
EL CAJON LES 15.5 15.5 15.4 14.0 16.7 16.9 18.6 20.0 20.7 23.2 17.6 23.2 09
KEARNY MESA 17.5 16.5 16.5 18.6 24.4 34.4 38.8 33.8 25.0 18.2 24.3 38.8 06
Current Date: 5/18/2026 10:09 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 15.2 14.6 16.4 15.5 17.3 18.1 21.4 30.4 26.1 25.0 20.0 30.4 07
PENDLETON 16.7 17.0 18.4 17.4 15.8 16.2 31.3 28.2 19.2 13.7 19.3 31.3 06
SAN YSIDRO 17.4 18.1 23.8 29.0 38.4 43.9 39.2 31.5 27.6 16.2 28.5 43.9 05
12 VWDR ° ALPINE 220 212 251 260 263 276 301 276 298 275 0 301 06
CHULA VISTA 184 178 146 184 187 194 183 205 247 260 0 260 09
DOWNTOWN SE 185 171 129 152 194 171 181 201 204 211 0 211 09
EL CAJON LES 206 214 190 200 200 179 260 238 271 257 0 271 08
KEARNY MESA 168 172 150 144 158 139 173 206 234 243 0 243 09
OTAY MESA DVN 170 166 156 166 184 190 198 224 213 303 0 303 09
PENDLETON 168 163 162 118 118 115 167 180 194 215 0 215 09
13 SIGTHETA ° ALPINE 20 19 23 25 28 27 25 35 38 35 28 38 08
CHULA VISTA 13 13 12 21 16 19 17 41 38 25 22 41 07
DOWNTOWN SE 17 14 20 20 17 14 22 25 27 25 20 27 08
EL CAJON LES 17 21 25 23 18 30 42 63 58 51 35 63 07
KEARNY MESA 11 10 12 9 13 25 25 24 23 23 18 25 05
OTAY MESA DVN 12 10 13 15 9 8 16 32 55 40 21 55 08
PENDLETON 12 12 11 13 12 13 17 14 15 14 13 17 06
14 VWSP MPH ALPINE 3.2 2.8 2.1 2.2 1.7 1.7 2.1 2.1 3.5 3.8 .0 3.8 09
CHULA VISTA 5.6 4.9 3.0 2.1 2.9 2.6 4.0 2.7 3.8 6.2 .0 6.2 09
DOWNTOWN SE 6.8 6.8 4.2 3.6 4.3 5.7 4.7 3.9 4.9 6.3 .0 6.8 00
EL CAJON LES 4.6 3.0 3.4 2.8 3.8 2.1 1.9 1.0 1.5 2.4 .0 4.6 00
KEARNY MESA 7.8 8.3 6.5 6.6 6.1 3.1 3.3 4.3 4.7 6.2 .0 8.3 01
OTAY MESA DVN 5.8 6.8 6.1 4.9 5.1 5.2 4.0 3.1 1.7 4.9 .0 6.8 01
PENDLETON 9.0 8.5 8.4 4.5 5.0 3.6 5.1 5.0 6.0 7.9 .0 9.0 00
15 SWSP MPH ALPINE 3.5 3.0 2.3 2.4 2.0 2.2 2.4 2.5 4.0 4.7 2.9 4.7 09
CHULA VISTA 5.7 5.1 3.2 2.4 3.0 2.8 4.2 3.4 4.8 6.8 4.1 6.8 09
DOWNTOWN SE 7.1 7.0 4.6 4.3 4.5 5.9 5.1 4.4 5.5 6.9 5.5 7.1 00
EL CAJON LES 4.7 3.2 3.6 3.0 4.2 2.4 2.3 2.5 3.2 4.1 3.3 4.7 00
KEARNY MESA 8.0 8.5 6.8 6.7 6.4 3.5 3.7 4.7 5.8 7.0 6.1 8.5 01
OTAY MESA DVN 6.0 7.0 6.3 5.3 5.2 5.3 4.2 3.8 3.1 5.8 5.2 7.0 01
PENDLETON 9.3 8.7 8.6 5.0 5.1 3.8 5.3 5.2 6.2 8.2 6.5 9.3 00
16 AMBTEMP °F ALPINE 53.3 52.5 52.5 52.2 52.1 52.0 53.0 54.9 57.7 61.1 54.1 61.1 09
CARMEL MT RCH 58.4 58.1 58.3 58.1 58.0 58.4 59.7 62.2 63.4 66.4 60.1 66.4 09
CHULA VISTA 60.5 59.9 59.0 60.1 60.3 60.8 61.8 63.1 64.0 64.6 61.4 64.6 09
DOWNTOWN SE 60.8 60.7 60.2 60.2 60.5 60.9 61.8 62.7 64.4 66.0 61.8 66.0 09
EL CAJON LES 59.4 59.2 59.2 59.3 59.2 59.6 60.9 62.6 65.8 68.1 61.3 68.1 09
KEARNY MESA 60.4 60.0 59.7 59.8 59.8 60.4 61.7 63.0 63.8 65.1 61.4 65.1 09
OTAY MESA DVN 58.5 58.1 58.1 58.5 58.3 58.7 59.6 61.3 63.2 65.5 60.0 65.5 09
PENDLETON 61.5 62.1 62.2 61.7 61.5 61.8 62.8 63.3 64.4 65.4 62.7 65.4 09
Current Date: 5/18/2026 10:09 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 61.6 61.3 61.1 61.5 61.5 61.8 62.4 63.4 65.5 66.4 62.7 66.4 09
17 RELHUM % ALPINE 95 99 98 99 99 99 94 87 78 68 92 99 01
EL CAJON LES 85 84 83 81 81 80 77 73 64 56 76 85 00
KEARNY MESA 80 79 79 79 80 79 76 71 69 66 76 80 00
18 PRES mmHg EL CAJON LES 745 745 745 745 745 746 746 746 746 746 746 746 05
KEARNY MESA 746 745 746 746 746 746 747 747 747 747 746 747 06
19 SOLAR W/M2 EL CAJON LES 0 0 1 2 3 33 133 365 560 716 181 716 09
KEARNY MESA 1 1 1 2 3 29 147 315 274 513 129 513 09
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 9 20 31 40 10 40 09
25 NOY EL CAJON LES 1.50 1.60 2.08 1.51 1.82 C C 3.94 3.62 4.36 2.55 4.36 09
26 NOY-NO EL CAJON LES 1.47 1.57 2.06 1.50 1.73 C C 3.13 2.96 3.53 2.24 3.53 09
27 NO Trace EL CAJON LES .03 .02 .02 .01 .08 C C .80 .66 .83 .30 .83 09
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 C C .0 .0 00
29 CO Tr PPB EL CAJON LES 142.5 140.4 C C C 164.3 184.6 207.8 C C 167.9 207.8 07
BCarbon ug/m3 10TH AVE MARIN < < < < < < < < < < < <
ALPINE .64 < < .32 .25 .22 .24 .31 .31 .32 .33 .64 00
BOSTON AVE .17 .17 .21 .39 .74 .62 .45 .37 .25 .18 .36 .74 04
CHICANO PARK .12 .11 < .48 .79 < .36 .36 < < .37 .79 04
DOWNTOWN SE .13 < < .35 .69 .60 .36 < .15 < .38 .69 04
OCEANVIEW BLV < .13 .16 .26 .58 .55 .53 < < .21 .35 .58 04
OTAY MESA DVN < .17 < .23 .32 < .58 < < .65 .39 .65 09
SAN YSIDRO .20 .21 .46 .49 < < .81 .52 < .18 .41 .81 06
PM10 STD ALPINE 33.4 34.2 38.5 40.3 33.9 34.6 33.3 34.2 34.9 44.1 36.1 44.1 09
CARMEL MT RCH 39.6 37.2 38.2 35.5 38.3 44.5 51.8 55.5 51.4 53.4 44.5 55.5 07
CHULA VISTA 43.2 42.4 42.9 46.3 62.6 68.9 64.2 57.9 45.0 36.7 51.0 68.9 05
DOWNTOWN SE 38.5 38.0 42.2 50.9 69.6 62.6 50.7 42.1 37.7 36.9 46.9 69.6 04
EL CAJON LES 39.6 38.9 37.8 34.0 38.5 38.5 43.3 43.8 45.5 52.9 41.2 52.9 09
KEARNY MESA 42.7 41.9 43.1 47.5 52.1 62.7 64.6 59.5 51.2 44.7 51.0 64.6 06
OTAY MESA DVN 40.2 38.3 40.7 38.0 43.3 44.8 54.1 72.4 68.2 66.4 50.6 72.4 07
PENDLETON 43.1 41.8 42.8 42.9 35.6 36.8 53.8 48.2 40.2 33.5 41.8 53.8 06
SAN YSIDRO 45.6 48.2 54.8 60.3 68.8 78.2 74.1 71.5 61.6 42.5 60.5 78.2 05
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00