Current Date: 5/12/2026 3:09 PM
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 .030 .039 .039 .042 .043 .044 .043 .032 .044 13
CHULA VISTA .059 .059 C C .048 .046 .046 .046 .047 .046 .046 .046 .045 .045 .045 .048 .059 00
DOWNTOWN SE .058 .054 C C .045 .043 .044 .044 .043 .043 .043 .044 .044 .043 .042 .045 .058 00
EL CAJON LES .035 .035 C C C .042 .043 .039 .040 .043 .042 .042 .042 .041 .043 .040 .043 06
KEARNY MESA .057 .053 C C .051 .044 .042 .042 .044 .046 .047 .047 .048 .047 .048 .047 .057 00
OTAY MESA DVN .040 .040 C C .042 .039 .032 .028 .028 .038 .041 .040 .043 .043 .047 .038 .047 14
PENDLETON .048 .049 C C .035 .041 .044 .044 .045 .046 .046 .044 .043 .043 .043 .043 .049 01
03 NO2 PPB ALPINE 6.1 5.9 C C 3.7 4.3 3.5 3.5 2.8 5.6 10.2 7.6 3.7 3.9 4.7 5.0 10.2 10
CARMEL MT RCH 4.5 6.9 C C 3.7 2.5 3.2 3.5 18.1 12.9 18.8 13.7 12.0 11.2 10.1 9.3 18.8 10
CHULA VISTA 1.3 1.2 C C 1.7 3.0 3.2 3.2 1.7 1.8 1.8 1.6 1.7 1.5 1.3 1.9 3.2 06
DOWNTOWN SE 2.3 2.2 C C 2.5 5.0 4.7 3.7 2.9 3.4 2.8 2.3 2.1 2.7 2.8 3.0 5.0 05
EL CAJON LES 2.7 2.6 C C C 1.6 1.7 1.8 2.8 2.5 2.0 2.2 2.2 2.4 3.0 2.2 3.0 14
KEARNY MESA .9 1.3 C C 2.2 3.7 4.3 5.3 4.8 2.6 2.7 2.9 2.4 2.6 2.2 2.9 5.3 07
OTAY MESA DVN 2.7 2.5 C C 3.4 4.3 12.4 17.1 18.7 11.2 7.8 8.8 4.4 5.1 2.8 7.7 18.7 08
PENDLETON 1.4 1.8 C C 4.5 3.9 2.9 3.6 3.6 1.4 1.3 1.2 1.0 1.3 1.1 2.2 4.5 04
SAN YSIDRO 1.4 2.4 C C 5.8 9.4 8.3 9.8 6.0 4.3 4.9 5.9 5.4 3.8 3.4 5.4 9.8 07
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .2 .2 .2 .4 .3 .4 .4 .4 .4 .3 .3 .4 08
SAN YSIDRO .2 .2 C C .3 .3 .3 .3 .3 .2 .2 .3 .4 .9 .8 .4 .9 13
07 H2S PPB IB CIVIC CTR .6 .6 .5 .7 1.8 1.0 1.0 1.0 .6 .5 .5 .5 .5 .5 .5 .7 1.8 04
NESTOR - BES 1.5 3.2 21.3 20.5 51.1 41.1 16.4 1.1 .9 .9 .7 .7 .7 1.0 .9 10.8 51.1 04
SAN YSIDRO 2.5 .8 1.5 2.3 4.9 1.5 1.8 2.5 1.2 M M M M M M 2.1 4.9 04
10 INTMP °C ALPINE 26 26 27 26 27 27 26 27 26 26 26 25 26 26 26 26 27 02
CARMEL MT RCH 24 24 25 25 25 24 24 24 24 24 24 24 24 24 24 24 25 02
CHULA VISTA 24 25 24 24 24 25 24 24 24 24 24 24 24 24 24 24 25 01
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 25 26 26 26 26 26 00
KEARNY MESA 24 25 25 25 25 25 25 24 25 25 24 24 25 24 24 25 25 01
OTAY MESA DVN 26 27 27 27 26 27 27 27 26 26 26 26 26 26 25 26 27 01
PENDLETON 26 26 26 26 26 26 26 26 26 26 25 25 25 25 25 26 26 00
SAN YSIDRO 25 25 25 25 25 25 25 24 25 24 24 24 24 24 24 25 25 00
10 INTMP °C        IB CIVIC CTR 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 26 26 00
NESTOR - BES 26 26 26 26 26 26 26 25 25 25 25 25 25 25 25 25 26 00
11 PM2.5 µg/M3 ALPINE 11.6 11.6 8.4 6.7 5.8 6.1 5.3 5.9 7.2 14.0 28.9 22.4 10.4 13.0 15.4 11.5 28.9 10
CARMEL MT RCH 12.7 11.0 11.3 9.7 8.4 7.8 7.5 6.9 9.4 8.8 8.7 9.0 6.2 7.7 6.8 8.7 12.7 00
CHULA VISTA 11.0 10.8 9.9 8.7 8.0 6.9 5.9 7.6 6.7 5.9 5.9 5.3 5.3 5.3 5.9 7.2 11.0 00
DOWNTOWN SE 16.9 16.0 17.0 15.0 11.4 10.2 9.1 8.5 M M 5.4 5.3 5.1 5.3 5.8 10.0 17.0 02
EL CAJON LES 15.1 15.9 15.4 14.6 12.6 11.4 8.4 6.7 6.5 7.8 7.3 6.9 7.6 7.9 10.3 10.2 15.9 01
KEARNY MESA 11.0 10.1 11.0 10.0 11.9 10.1 8.9 8.9 8.1 6.9 6.7 6.3 6.5 6.9 7.5 8.7 11.9 04
Current Date: 5/12/2026 3:09 PM
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 22.5 13.0 10.3 10.0 7.9 8.4 7.6 14.5 29.1 07
PENDLETON 10.4 11.4 11.8 11.1 9.6 8.3 7.3 6.9 7.0 7.1 6.4 6.2 6.3 6.2 5.8 8.1 11.8 02
SAN YSIDRO 14.3 13.4 12.5 10.6 9.1 8.1 9.3 11.9 10.7 8.5 7.7 7.8 7.2 6.3 6.4 9.5 14.3 00
12 VWDR ° ALPINE 233 308 328 254 241 255 182 285 246 213 228 256 237 242 273 0 328 02
CHULA VISTA 279 317 279 177 184 178 173 200 238 246 233 254 256 253 241 0 317 01
DOWNTOWN SE 274 14 82 208 222 219 215 228 225 224 219 201 203 211 211 0 274 00
EL CAJON LES 198 164 136 166 138 171 143 142 172 215 225 225 208 198 225 0 225 10
KEARNY MESA 282 254 42 27 77 42 201 223 224 234 208 224 204 188 227 0 282 00
OTAY MESA DVN 263 261 280 274 72 112 172 161 171 205 226 234 285 334 289 0 334 13
PENDLETON 262 77 116 316 8 218 209 218 245 234 214 224 239 242 245 0 316 03
13 SIGTHETA ° ALPINE 59 81 68 47 59 61 34 53 32 26 31 27 25 36 35 45 81 01
CHULA VISTA 32 83 67 26 19 14 25 24 19 19 21 22 20 24 23 29 83 01
DOWNTOWN SE 57 49 42 27 23 21 17 22 18 < 22 21 20 24 24 28 57 00
EL CAJON LES 23 38 22 18 19 19 21 18 20 18 18 22 25 30 74 26 74 14
KEARNY MESA 48 25 20 27 13 26 34 17 16 15 24 23 18 25 26 24 48 00
OTAY MESA DVN 10 21 32 48 26 40 32 22 18 18 17 20 16 45 20 26 48 03
PENDLETON 37 35 18 31 41 27 14 15 12 13 12 11 11 13 12 20 41 04
14 VWSP MPH ALPINE 1.0 .7 .7 .6 .7 1.3 2.2 1.1 2.7 3.3 2.9 3.1 3.6 2.4 2.3 .0 3.6 12
CHULA VISTA 2.5 .3 .7 1.9 2.7 3.7 2.7 2.9 6.1 7.0 5.7 5.6 5.2 5.4 6.3 .0 7.0 09
DOWNTOWN SE 1.7 1.2 1.4 2.7 2.3 3.2 4.5 4.2 6.6 7.4 6.7 6.4 6.7 6.4 6.5 .0 7.4 09
EL CAJON LES 3.2 1.8 2.6 3.4 2.8 3.6 3.1 3.9 3.9 5.5 5.4 4.8 4.6 3.4 .6 .0 5.5 09
KEARNY MESA 1.3 1.0 1.7 .4 2.6 1.9 1.9 5.2 6.9 8.9 5.9 6.8 7.4 6.0 6.3 .0 8.9 09
OTAY MESA DVN 4.8 3.6 2.5 2.5 2.2 1.3 2.9 3.8 5.2 6.0 7.3 4.9 4.6 2.6 7.6 .0 7.6 14
PENDLETON 1.0 1.3 2.1 1.6 1.2 3.0 4.7 5.2 4.9 6.0 7.4 9.7 8.9 7.1 6.8 .0 9.7 11
15 SWSP MPH ALPINE 1.7 1.6 1.3 1.9 1.4 1.9 2.7 2.1 3.5 3.7 3.3 3.5 4.0 3.0 2.8 2.6 4.0 12
CHULA VISTA 3.2 1.4 1.7 2.2 2.9 3.9 3.0 3.3 6.5 7.4 6.1 6.0 5.6 5.9 6.8 4.4 7.4 09
DOWNTOWN SE 2.5 2.1 1.7 2.9 2.7 3.7 4.8 4.5 6.9 8.0 7.2 6.8 7.2 7.1 7.3 5.0 8.0 09
EL CAJON LES 3.4 2.4 2.8 3.6 3.0 3.9 3.4 4.1 4.2 6.0 5.7 5.2 5.0 4.0 2.0 3.9 6.0 09
KEARNY MESA 2.4 1.9 2.6 1.8 2.9 2.1 3.5 5.4 7.4 9.2 6.6 7.4 7.8 6.6 6.9 5.0 9.2 09
OTAY MESA DVN 4.9 3.8 3.3 2.9 2.4 2.1 3.4 4.2 5.4 6.5 7.6 5.2 5.2 4.2 8.3 4.6 8.3 14
PENDLETON 2.8 2.2 2.3 1.9 1.9 4.3 4.9 5.5 5.0 6.2 7.6 9.9 9.1 7.3 6.9 5.2 9.9 11
16 AMBTEMP °F ALPINE 56.2 55.6 54.9 54.9 54.9 54.9 54.7 55.4 55.7 55.9 56.8 57.1 56.3 56.2 56.9 55.8 57.1 11
CARMEL MT RCH 60.0 60.1 60.2 60.3 60.4 60.6 61.0 62.6 63.5 63.6 64.6 64.8 64.4 65.6 66.0 62.5 66.0 14
CHULA VISTA 62.3 62.4 62.2 62.3 62.4 62.3 62.7 64.0 64.0 63.5 63.6 63.6 64.1 65.0 66.5 63.4 66.5 14
DOWNTOWN SE 61.7 61.7 61.6 62.0 62.0 62.2 62.0 62.8 63.7 63.9 64.2 64.9 65.6 66.7 67.2 63.5 67.2 14
EL CAJON LES 61.9 61.7 61.4 61.4 61.3 61.2 61.5 61.7 62.6 64.0 63.8 63.2 64.1 64.6 67.0 62.8 67.0 14
KEARNY MESA 61.5 61.5 61.6 61.8 62.1 62.2 63.0 63.7 64.2 64.5 65.6 65.4 66.1 67.2 67.5 63.9 67.5 14
OTAY MESA DVN 59.9 59.3 59.4 59.3 59.5 60.0 61.1 61.9 62.5 64.0 63.5 63.4 62.7 64.6 67.5 61.9 67.5 14
PENDLETON 62.4 62.6 62.8 62.7 62.7 62.8 63.1 63.7 64.8 65.7 65.8 66.2 66.5 66.1 67.0 64.3 67.0 14
Current Date: 5/12/2026 3:09 PM
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 65.9 65.5 65.3 66.1 66.7 67.6 67.4 64.5 67.6 13
17 RELHUM % ALPINE 100 100 100 100 100 100 100 100 100 100 100 100 100 100 98 100 100 00
EL CAJON LES 93 94 95 95 96 95 95 94 92 84 83 82 79 77 72 88 96 04
KEARNY MESA 97 98 96 95 94 95 91 87 83 80 75 74 71 69 68 85 98 01
18 PRES mmHg EL CAJON LES 748 748 748 748 748 748 749 749 750 750 751 751 750 750 750 749 751 10
KEARNY MESA 749 749 748 748 748 749 749 750 750 751 751 751 751 751 751 750 751 09
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 2 10 40 72 102 142 123 133 211 230 273 90 273 14
KEARNY MESA 1 1 1 1 2 8 43 88 152 248 276 225 328 401 343 141 401 13
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 1 3 5 7 10 9 10 15 16 18 6 18 14
25 NOY EL CAJON LES 4.20 4.52 4.34 3.69 3.14 C C 2.65 3.56 3.49 2.77 3.03 2.99 3.30 4.02 3.51 4.52 01
26 NOY-NO EL CAJON LES 4.18 4.50 4.33 3.67 3.12 C C 2.51 3.32 3.20 2.48 2.65 2.50 2.86 3.44 3.28 4.50 01
27 NO Trace EL CAJON LES .02 .01 .01 .01 .02 C C .13 .24 .29 .29 .38 .48 .44 .57 .22 .57 14
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 206.4 200.7 C C C 178.1 177.8 187.2 196.8 172.9 153.8 148.4 155.8 157.8 177.2 176.0 206.4 00
BCarbon ug/m3 10TH AVE MARIN .42 .46 .41 .38 .36 .34 .61 .24 .37 .47 .21 .15 .45 .16 .11 .34 .61 06
ALPINE .35 < .29 .25 .22 .24 < .20 .22 .53 .90 .57 .21 .25 < .35 .90 10
BOSTON AVE .39 .35 .38 .30 .32 .33 .47 .26 .31 .32 .28 .28 .25 .25 .14 .31 .47 06
CHICANO PARK .38 .54 .42 1.02 .64 .48 .36 .30 .29 .27 < < .18 < .17 .42 1.02 03
DOWNTOWN SE .32 < < .36 .21 .24 .34 .23 < .16 .14 .11 < .12 .13 .21 .36 03
OCEANVIEW BLV .37 < .29 .31 .31 .31 .36 < .23 .24 < < .18 .18 .17 .27 .37 00
OTAY MESA DVN .36 .35 < .33 .34 .43 .99 < 1.55 .70 .44 .54 .28 .31 < .55 1.55 08
SAN YSIDRO .26 .24 .26 .27 .63 .33 .31 .36 .50 .23 .22 .25 .18 .11 .12 .28 .63 04
PM10 STD ALPINE 18.4 16.4 11.2 8.9 7.8 9.0 7.7 9.0 11.9 23.9 51.5 39.8 19.8 24.7 33.2 19.5 51.5 10
CARMEL MT RCH 21.6 18.3 17.9 15.8 14.5 13.1 13.5 13.7 20.2 20.8 22.1 20.4 14.1 17.9 15.4 17.2 22.1 10
CHULA VISTA 20.8 20.0 17.4 16.3 16.2 14.0 11.5 16.8 15.7 12.5 13.5 12.4 11.7 13.2 14.6 15.1 20.8 00
DOWNTOWN SE 26.5 25.6 27.7 27.2 23.0 19.2 18.2 18.1 M M 12.3 13.1 10.5 12.7 15.7 19.2 27.7 02
EL CAJON LES 24.4 26.0 25.6 24.6 21.9 19.3 14.7 12.9 13.3 17.4 17.7 16.0 17.1 20.5 23.6 19.6 26.0 01
KEARNY MESA 18.5 17.5 18.7 17.3 21.8 19.2 17.9 19.0 18.0 16.7 13.9 14.0 15.2 15.9 16.9 17.3 21.8 04
OTAY MESA DVN 24.5 23.3 23.2 21.6 26.3 27.6 54.0 67.7 111.2 49.5 37.4 37.6 23.8 27.4 21.7 38.4 111.2 08
PENDLETON 19.0 19.7 22.5 21.1 17.4 17.4 15.2 14.9 14.3 13.1 12.9 14.1 15.3 15.5 13.0 16.3 22.5 02
SAN YSIDRO 27.3 26.7 21.8 18.9 16.6 16.8 19.1 30.1 26.6 22.5 20.2 21.0 20.9 18.2 16.3 21.5 30.1 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00