Current Date: 1/21/2026 4:09 PM
Daily Parameter Report
1/21/2026
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 .044 .041 C C .043 .041 .039 .040 .032 .029 .026 .039 .036 .039 .034 .033 .036 .044 00
CHULA VISTA .011 .004 C C .018 .021 .017 .012 .013 .017 .020 .023 .026 .036 .038 .040 .021 .040 15
DOWNTOWN SE .003 .002 C C .019 .020 .016 .017 .010 .012 .015 .023 .024 .029 .033 .036 .018 .036 15
EL CAJON LES .004 .003 C C C .007 .004 .003 .005 .009 .012 .021 .026 .029 .033 .025 .013 .033 14
KEARNY MESA .008 .006 C C .018 .019 .015 .007 .012 .019 .025 .027 .029 .032 .033 .037 .020 .037 15
OTAY MESA DVN .010 .015 C C .014 .010 .007 .008 .011 M M M .022 .029 .038 .039 .018 .039 15
PENDLETON .016 .021 C C .013 .018 .014 .013 .014 .015 .016 .023 M .034 .032 .042 .020 .042 15
03 NO2 PPB ALPINE 2.0 1.7 C C 1.3 2.2 3.1 2.6 6.1 9.4 12.9 3.4 4.0 3.3 7.6 7.5 4.7 12.9 10
CARMEL MT RCH 16.7 15.9 C C 9.8 17.6 12.6 13.9 13.0 15.2 16.6 17.8 17.1 20.2 17.7 15.8 15.7 20.2 13
CHULA VISTA 10.4 14.1 C C 9.0 8.4 11.3 12.5 12.8 12.5 17.5 20.0 22.9 11.2 10.7 6.8 12.8 22.9 12
DOWNTOWN SE 19.1 20.3 C C 10.4 10.2 13.5 14.4 18.4 20.3 22.5 19.1 22.3 18.7 16.9 14.9 17.2 22.5 10
EL CAJON LES 14.3 13.1 C C C 12.6 15.8 13.5 14.1 15.0 17.9 13.5 12.3 11.1 11.9 21.4 14.3 21.4 15
KEARNY MESA 11.4 12.7 C C 6.9 7.5 10.9 12.9 11.6 7.9 10.6 12.5 11.4 11.4 9.5 8.4 10.4 12.9 07
OTAY MESA DVN 28.8 20.0 C C 13.9 16.5 17.7 17.4 14.7 M M M 33.3 22.5 12.5 8.6 18.7 33.3 12
PENDLETON 10.9 6.2 C C 6.9 8.2 8.8 8.8 6.9 7.2 7.9 6.5 M 7.4 15.6 4.6 8.1 15.6 14
SAN YSIDRO 23.5 13.7 C C 11.1 16.9 19.0 18.3 17.1 29.0 40.6 27.8 14.6 6.0 6.5 8.9 18.0 40.6 10
06 CO PPM CARMEL MT RCH .6 .5 C C .4 .9 .5 .7 .8 .6 .5 .7 .7 .7 .7 .7 .6 .9 05
SAN YSIDRO .7 .6 C C .4 .6 .7 .8 .7 .9 1.2 .7 .5 .3 .3 .4 .6 1.2 10
07 H2S PPB IB CIVIC CTR 1.4 1.3 1.5 1.6 2.9 1.4 1.6 1.6 1.9 3.1 6.2 3.0 1.2 1.0 1.0 1.1 1.9 6.2 10
NESTOR - BES 1.1 1.1 14.2 11.0 4.5 1.3 1.2 1.5 2.0 2.7 6.3 4.2 1.7 .7 .9 1.1 3.4 14.2 02
SAN YSIDRO 5.9 18.1 9.4 6.2 1.5 1.5 1.9 1.7 1.6 2.5 3.6 4.6 2.7 2.0 2.7 3.4 4.3 18.1 01
10 INTMP °C ALPINE 27 27 27 27 27 27 27 27 27 27 26 26 25 25 26 26 27 27 00
CARMEL MT RCH 26 26 26 26 26 26 26 25 25 25 26 26 26 26 26 26 26 26 00
CHULA VISTA 25 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 25 25 00
DOWNTOWN SE 25 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 26 26 01
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 27 26 26 26 26 26 26 27 10
IB CIVIC CTR 28 28 28 28 28 28 27 28 27 27 26 26 26 26 26 27 27 28 00
KEARNY MESA 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 00
NESTOR - BES 24 24 25 26 26 26 26 25 26 26 24 25 24 24 24 25 25 26 03
OTAY MESA DVN 27 27 27 27 27 27 27 27 27 27 27 27 27 27 26 26 27 27 00
PENDLETON 25 25 25 25 25 24 24 24 24 24 24 24 25 26 25 25 25 26 13
SAN YSIDRO 22 22 22 22 22 22 22 22 22 22 23 23 24 25 25 25 23 25 13
11 PM2.5 µg/M3 ALPINE 2.5 2.8 3.7 2.8 2.5 2.6 2.5 2.5 2.2 2.4 2.8 2.3 2.8 3.1 4.0 4.4 2.8 4.4 15
CARMEL MT RCH 11.1 11.9 12.1 9.5 8.1 10.8 10.6 13.9 13.9 7.3 6.3 13.1 14.1 14.9 14.5 14.6 11.6 14.9 13
CHULA VISTA 12.4 17.3 19.1 21.6 19.6 19.0 19.6 26.1 22.4 22.2 41.8 42.9 42.4 26.2 26.0 16.0 24.6 42.9 11
DOWNTOWN SE 31.3 30.7 28.3 26.7 25.7 23.7 24.6 26.2 29.1 24.7 25.3 24.8 24.5 24.9 22.7 21.8 25.9 31.3 00
EL CAJON LES 19.4 17.9 18.8 21.2 20.4 17.5 17.8 16.8 19.1 M M 12.8 10.2 11.6 14.6 18.7 16.9 21.2 03
KEARNY MESA 13.9 10.7 11.6 10.1 7.4 12.2 18.9 15.4 16.2 8.0 10.2 16.4 M M 15.4 17.1 13.1 18.9 06
Current Date: 1/21/2026 4:09 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 27.1 23.0 26.9 31.8 30.8 35.0 30.1 36.4 36.1 52.7 60.9 69.9 47.1 39.6 27.5 20.7 37.2 69.9 11
PENDLETON 15.0 12.2 11.1 9.9 7.7 9.1 7.2 7.4 7.8 6.8 7.4 7.1 M 7.1 12.0 8.7 9.1 15.0 00
SAN YSIDRO 26.3 18.5 22.4 28.3 23.8 32.6 38.1 35.8 37.8 48.8 67.4 45.3 34.0 18.7 17.7 18.3 32.1 67.4 10
12 VWDR ° ALPINE 323 357 7 98 76 92 65 88 48 188 261 279 312 294 272 307 0 357 01
CHULA VISTA 42 9 58 60 84 147 58 51 71 94 225 271 241 245 240 251 0 271 11
DOWNTOWN SE 83 48 45 44 58 50 33 58 63 113 217 231 213 255 227 256 0 256 15
EL CAJON LES 108 244 112 183 106 241 85 209 112 133 248 342 351 200 210 217 0 351 12
KEARNY MESA 51 261 67 66 81 190 84 72 77 55 246 265 271 264 284 273 0 284 14
OTAY MESA DVN 354 341 7 79 123 124 0 355 45 158 196 304 283 282 282 280 0 355 07
PENDLETON 26 59 53 61 46 22 23 76 67 68 251 288 278 286 273 294 0 294 15
13 SIGTHETA ° ALPINE 22 24 23 19 23 28 36 20 45 54 28 26 29 28 40 27 30 54 09
CHULA VISTA 27 38 36 22 17 33 23 20 20 40 40 54 21 22 22 22 29 54 11
DOWNTOWN SE 43 31 38 14 14 24 18 22 18 32 32 70 20 37 29 34 30 70 11
EL CAJON LES 23 34 22 25 25 28 40 31 38 40 47 62 44 47 52 17 36 62 11
KEARNY MESA 29 55 19 40 14 35 18 14 13 11 47 20 37 21 14 14 25 55 01
OTAY MESA DVN 11 12 22 34 22 17 16 21 22 15 17 47 15 11 15 18 20 47 11
PENDLETON 10 12 11 10 9 9 8 15 9 14 34 23 20 21 20 19 15 34 10
14 VWSP MPH ALPINE 2.5 1.9 .7 2.5 1.6 2.1 1.6 2.4 1.2 .2 2.0 2.9 2.5 2.2 1.8 2.1 .0 2.9 11
CHULA VISTA 1.9 1.5 2.5 3.3 2.3 1.6 2.3 3.5 3.1 1.6 2.1 1.4 3.6 3.8 3.6 4.2 .0 4.2 15
DOWNTOWN SE 1.9 1.5 2.0 4.1 3.3 1.8 2.9 2.8 4.1 1.0 3.2 1.0 4.3 2.8 3.8 3.6 .0 4.3 12
EL CAJON LES 2.0 1.8 1.6 1.4 1.3 .7 1.8 .9 1.9 .3 1.0 .6 .8 1.5 1.4 4.0 .0 4.0 15
KEARNY MESA 2.5 3.5 2.1 2.0 3.7 2.0 2.9 1.9 2.7 3.2 3.1 3.3 1.9 3.5 4.1 6.4 .0 6.4 15
OTAY MESA DVN 5.7 4.8 3.1 2.7 3.4 3.6 2.8 1.9 1.7 2.9 2.3 1.5 4.6 6.0 5.7 5.4 .0 6.0 13
PENDLETON 4.5 3.3 4.5 6.8 4.1 4.6 5.3 5.1 7.4 5.6 2.4 2.6 2.9 2.9 2.9 3.6 .0 7.4 08
15 SWSP MPH ALPINE 3.1 2.3 2.2 2.7 1.7 2.3 2.7 2.7 1.8 1.6 2.3 3.4 2.9 2.5 2.4 2.5 2.4 3.4 11
CHULA VISTA 2.5 2.2 2.8 3.4 2.8 2.4 2.9 3.7 3.3 3.0 2.9 2.1 3.8 4.1 3.9 4.6 3.2 4.6 15
DOWNTOWN SE 2.3 2.2 2.3 4.2 3.5 2.5 3.1 3.1 4.4 2.4 3.5 2.1 4.5 3.6 4.0 4.2 3.2 4.5 12
EL CAJON LES 2.3 2.1 2.2 2.5 1.4 1.8 2.5 1.8 2.1 1.5 1.6 1.4 1.7 2.2 1.9 4.3 2.1 4.3 15
KEARNY MESA 2.7 4.2 2.4 2.4 3.9 2.4 3.2 2.1 2.8 3.3 3.9 3.6 2.3 3.8 4.2 6.9 3.4 6.9 15
OTAY MESA DVN 5.9 5.2 3.3 2.9 3.8 4.0 3.0 2.5 2.5 3.1 3.1 2.7 4.9 6.1 5.9 5.7 4.0 6.1 13
PENDLETON 4.5 3.4 4.7 6.9 4.4 4.7 5.3 5.4 7.5 5.8 3.2 2.9 3.1 3.2 3.1 3.8 4.5 7.5 08
16 AMBTEMP °F ALPINE 60.8 57.6 56.3 54.0 58.1 57.6 57.6 58.7 61.2 66.2 67.6 67.9 65.7 65.4 65.3 63.0 61.4 67.9 11
CARMEL MT RCH 51.4 50.5 47.9 48.2 47.6 48.1 46.8 48.3 50.3 55.3 61.8 64.1 65.0 67.1 66.2 63.5 55.1 67.1 13
CHULA VISTA 49.8 50.2 52.7 53.8 54.3 53.8 53.4 52.4 54.3 58.7 61.0 63.5 63.6 62.1 62.4 61.0 56.7 63.6 12
DOWNTOWN SE 51.4 52.2 53.2 53.6 53.1 52.9 52.9 53.3 53.6 57.5 60.8 65.5 66.0 66.5 67.5 63.7 57.7 67.5 14
EL CAJON LES 49.0 48.3 47.5 47.5 47.9 47.8 47.1 46.6 48.2 51.5 58.7 64.1 66.4 67.7 68.5 67.0 54.6 68.5 14
KEARNY MESA 50.6 50.2 51.0 52.3 51.3 51.9 51.8 50.9 53.2 56.4 62.2 63.4 64.7 65.5 65.7 63.3 56.5 65.7 14
OTAY MESA DVN 54.8 53.4 52.4 52.2 51.6 50.5 49.0 49.8 53.3 57.4 61.5 64.1 64.4 63.9 63.7 61.3 56.5 64.4 12
PENDLETON 54.6 54.6 54.0 52.5 51.5 50.8 50.7 50.1 49.9 54.3 57.5 59.6 59.4 59.6 60.3 60.2 55.0 60.3 14
Current Date: 1/21/2026 4:09 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 53.6 52.7 54.6 56.0 56.5 55.7 54.0 54.1 55.5 58.5 62.7 65.0 64.0 63.5 64.0 62.1 58.3 65.0 11
17 RELHUM % ALPINE 31 35 40 39 32 34 32 30 31 28 30 25 32 30 35 41 33 41 15
EL CAJON LES 94 95 97 100 100 100 100 100 100 95 69 53 45 42 38 48 80 100 03
KEARNY MESA 100 100 100 100 100 100 100 100 100 95 72 71 65 70 75 79 89 100 00
18 PRES mmHg EL CAJON LES 751 751 752 752 751 751 752 752 752 752 752 751 751 750 750 750 751 752 02
KEARNY MESA 752 752 753 752 752 752 752 753 752 753 753 752 752 751 751 751 752 753 02
19 SOLAR W/M2 EL CAJON LES 0 0 0 3 3 2 3 48 123 233 352 368 288 292 259 115 131 368 11
KEARNY MESA 1 1 1 1 1 1 3 45 135 272 382 357 298 351 242 138 139 382 10
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 0 3 8 15 21 22 18 17 15 7 8 22 11
25 NOY EL CAJON LES 17.86 17.19 19.73 17.63 16.87 C C 23.55 29.12 31.13 34.40 21.15 16.77 15.02 16.11 25.26 21.55 34.40 10
26 NOY-NO EL CAJON LES 16.13 15.54 16.87 16.01 16.29 C C 15.77 16.32 16.60 19.12 14.36 13.04 12.27 13.41 22.00 15.98 22.00 15
27 NO Trace EL CAJON LES 1.73 1.65 2.85 1.61 .57 C C 7.77 12.80 14.53 15.28 6.79 3.72 2.75 2.70 3.26 5.57 15.28 10
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .1 .1 .2 .1 .1 .1 .1 .2 .0 .2 10
29 CO Tr PPB EL CAJON LES 543.9 531.7 C C C 479.5 564.8 600.6 708.8 679.5 724.4 500.6 456.3 421.7 406.9 512.9 548.5 724.4 10
BCarbon ug/m3 10TH AVE MARIN 1.43 1.89 1.69 1.04 .98 < < 1.51 1.63 1.89 1.70 1.69 < < 1.36 1.01 1.49 1.89 01
ALPINE .21 .27 < .21 .18 .21 < .24 .30 .31 .58 .24 .34 .31 .47 .46 .31 .58 10
BOSTON AVE 1.14 1.35 1.21 1.17 1.01 1.12 1.32 1.28 1.51 1.54 2.04 2.22 1.82 1.40 1.30 .94 1.40 2.22 11
CHICANO PARK 1.08 1.14 < .98 .72 .94 1.07 1.12 1.19 1.09 < 1.33 1.67 < < .83 1.10 1.67 12
DOWNTOWN SE < 1.20 < .86 .76 .90 < 1.21 1.33 1.24 1.49 1.44 1.72 1.45 1.39 1.41 1.26 1.72 12
OCEANVIEW BLV < 1.28 1.10 .82 < .68 .86 < 1.08 1.06 1.38 1.44 1.79 1.27 < < 1.16 1.79 12
OTAY MESA DVN 2.26 1.80 1.40 1.51 1.48 2.13 2.00 2.00 2.16 < < 6.73 3.90 2.90 1.70 1.05 2.36 6.73 11
SAN YSIDRO 2.05 < 1.25 2.10 1.13 2.11 2.70 2.94 2.75 4.80 < < 1.78 .75 .76 .73 1.99 4.80 09
PM10 STD ALPINE 9.1 8.4 11.0 8.3 8.2 7.8 7.3 9.8 8.3 11.1 16.0 9.8 12.5 11.6 18.8 17.4 10.9 18.8 14
CARMEL MT RCH 17.0 18.3 16.7 13.3 11.1 15.7 15.3 21.5 30.0 17.0 18.5 28.3 28.5 32.2 31.1 30.1 21.5 32.2 13
CHULA VISTA 14.2 25.7 30.1 35.0 34.3 31.4 31.8 39.1 35.4 39.2 73.3 75.0 87.0 49.1 44.7 28.7 42.1 87.0 12
DOWNTOWN SE 42.4 42.2 42.1 40.6 40.6 36.1 39.9 46.1 46.3 41.1 44.3 44.1 46.1 43.8 42.2 37.0 42.1 46.3 08
EL CAJON LES 29.0 26.5 27.1 28.7 28.0 24.4 24.1 23.8 28.4 M M 28.1 26.4 28.6 34.5 44.5 28.7 44.5 15
KEARNY MESA 15.2 12.4 15.8 15.4 11.2 18.3 26.4 23.2 25.2 17.5 22.1 35.6 M M 38.4 39.1 22.5 39.1 15
OTAY MESA DVN 70.6 53.5 42.3 49.2 47.1 60.5 69.4 94.4 158.1 168.3 233.7 214.8 133.8 94.6 58.5 43.5 99.5 233.7 10
PENDLETON 26.6 20.7 18.6 16.1 13.0 14.6 11.5 12.5 13.3 14.3 19.7 26.8 M 15.9 66.8 23.7 20.9 66.8 14
SAN YSIDRO 47.6 28.2 36.7 51.5 37.4 54.4 64.0 61.3 66.0 98.6 138.3 101.1 60.1 35.0 30.5 34.1 59.0 138.3 10
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00