Current Date: 5/31/2026 11:09 AM
Daily Parameter Report
5/31/2026
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 .031 C C .037 .037 .040 .037 .031 .038 .044 .048 .038 .048 10
CHULA VISTA .033 C C .035 .034 .033 .032 .032 .034 .038 .043 .034 .043 10
DOWNTOWN SE .029 C C .031 .031 .032 .032 .032 .031 .035 .040 .032 .040 10
EL CAJON LES .019 C C C .021 .021 .022 .024 .029 .039 .047 .027 .047 10
KEARNY MESA .015 C C .024 .026 .027 .027 .030 .034 .040 .045 .029 .045 10
OTAY MESA DVN .022 C C .017 .018 .020 .021 .025 .031 .040 .046 .026 .046 10
PENDLETON .031 C C .036 .034 .025 .033 .034 .037 .041 .042 .034 .042 10
03 NO2 PPB ALPINE 3.0 C C 1.7 3.0 2.3 2.6 3.6 2.2 2.6 3.1 2.6 3.6 07
CARMEL MT RCH 8.0 C C 3.0 3.1 5.1 6.9 5.3 5.6 4.8 5.6 5.2 8.0 00
CHULA VISTA 2.8 C C 1.8 2.1 2.4 2.6 2.8 2.7 2.4 2.1 2.4 2.8 00
DOWNTOWN SE 4.8 C C 4.4 6.0 4.1 3.4 4.0 5.0 5.0 3.3 4.4 6.0 04
EL CAJON LES 6.3 C C C 5.0 4.9 5.2 5.5 5.7 6.8 6.2 5.7 6.8 09
KEARNY MESA 7.3 C C 2.9 2.5 2.4 2.8 2.8 2.7 3.5 2.1 3.2 7.3 00
OTAY MESA DVN 2.8 C C 3.2 4.2 4.4 4.3 2.8 2.1 1.9 2.0 3.0 4.4 05
PENDLETON 2.7 C C 1.3 1.6 2.6 2.1 2.0 1.5 1.1 1.0 1.7 2.7 00
SAN YSIDRO 2.3 C C 3.4 4.5 4.8 5.4 5.3 4.5 2.8 2.4 3.9 5.4 06
06 CO PPM CARMEL MT RCH .3 C C .2 .2 .3 .4 .3 .4 .3 .4 .3 .4 06
SAN YSIDRO .2 C C .2 .2 .2 .2 .3 .2 .2 .2 .2 .3 07
07 H2S PPB IB CIVIC CTR .7 1.2 1.1 1.2 1.5 1.4 1.5 1.3 1.2 1.1 1.0 1.2 1.5 04
NESTOR - BES 7.3 11.8 4.3 6.6 7.0 4.3 4.0 2.5 1.8 1.4 1.6 4.7 11.8 01
SAN YSIDRO 24.2 6.2 3.8 13.7 11.7 9.8 4.5 4.8 3.7 3.2 1.5 7.9 24.2 00
10 INTMP °C ALPINE 27 27 27 27 27 26 27 25 25 25 25 26 27 00
CARMEL MT RCH 25 25 25 25 25 24 25 25 25 25 25 25 25 00
CHULA VISTA 24 24 25 24 24 25 24 24 24 24 24 24 25 02
DOWNTOWN SE 25 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 26 00
KEARNY MESA 24 24 25 25 24 24 25 25 24 24 24 24 25 02
OTAY MESA DVN 24 24 24 25 25 24 24 24 24 24 24 24 25 03
PENDLETON 25 25 26 26 25 25 25 25 25 25 25 25 26 02
SAN YSIDRO 25 25 25 25 25 25 25 24 24 24 24 25 25 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 26 25 25 26 27 00
NESTOR - BES 26 26 26 26 26 26 26 25 25 25 25 26 26 00
11 PM2.5 µg/M3 ALPINE 5.5 5.2 4.7 4.1 3.8 3.3 4.2 4.6 5.1 5.6 7.7 4.8 7.7 10
CARMEL MT RCH 5.8 6.2 6.4 5.9 7.6 9.0 9.0 9.5 12.2 11.1 10.0 8.4 12.2 08
CHULA VISTA 7.1 7.4 7.8 8.3 8.8 9.3 10.4 11.4 13.3 15.6 17.2 10.6 17.2 10
DOWNTOWN SE 7.7 8.8 10.0 10.5 10.7 10.8 11.6 12.7 14.3 15.9 13.9 11.5 15.9 09
EL CAJON LES 6.8 7.3 8.1 9.1 9.1 9.0 9.0 9.0 9.2 10.1 9.2 8.7 10.1 09
KEARNY MESA 6.0 5.8 6.0 7.6 8.9 9.2 9.3 9.8 12.7 13.2 14.6 9.3 14.6 10
Current Date: 5/31/2026 11:09 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 9.3 9.2 10.7 12.4 20.7 24.5 22.5 18.1 12.8 12.3 13.9 15.1 24.5 05
PENDLETON 6.8 6.3 7.3 7.6 7.6 7.6 7.8 8.8 8.1 7.9 7.9 7.6 8.8 07
SAN YSIDRO 8.6 8.8 10.3 11.1 11.9 12.6 17.1 20.9 23.0 22.5 19.9 15.1 23.0 08
12 VWDR ° ALPINE 79 33 85 21 282 129 241 252 275 264 263 0 282 04
CHULA VISTA 276 202 234 214 280 281 252 260 275 253 245 0 281 05
DOWNTOWN SE 289 210 187 239 208 218 225 198 201 217 219 0 289 00
EL CAJON LES 154 136 159 154 148 166 327 291 294 291 268 0 327 06
KEARNY MESA 29 76 118 133 164 135 189 182 179 232 234 0 234 10
OTAY MESA DVN 21 13 357 349 333 344 360 322 327 289 291 0 360 06
PENDLETON 96 48 111 175 168 206 115 183 218 236 247 0 247 10
13 SIGTHETA ° ALPINE 44 46 33 40 45 43 45 25 38 42 34 40 46 01
CHULA VISTA 33 26 44 31 38 29 26 42 36 29 28 33 44 02
DOWNTOWN SE 39 31 59 34 15 20 27 35 26 22 22 30 59 02
EL CAJON LES 27 27 18 67 53 29 53 58 72 47 39 45 72 08
KEARNY MESA 22 9 33 35 26 56 54 67 56 41 17 38 67 07
OTAY MESA DVN 10 9 20 13 27 24 22 18 24 18 18 18 27 04
PENDLETON 27 12 19 22 55 38 50 20 15 13 9 25 55 04
14 VWSP MPH ALPINE 1.0 .5 .7 .4 .8 1.4 1.2 2.8 3.0 3.1 4.1 .0 4.1 10
CHULA VISTA 1.7 1.5 1.2 2.0 .9 2.9 2.7 1.9 3.2 5.0 5.8 .0 5.8 10
DOWNTOWN SE 1.0 2.5 1.9 1.8 3.5 3.5 2.8 1.2 3.5 6.7 7.4 .0 7.4 10
EL CAJON LES 1.1 1.5 2.2 1.8 1.7 1.6 .9 1.7 .8 2.8 4.2 .0 4.2 10
KEARNY MESA 1.0 1.7 1.4 1.2 2.6 1.5 1.0 .6 2.2 4.7 8.8 .0 8.8 10
OTAY MESA DVN 3.3 2.9 2.5 2.5 2.2 2.9 3.1 5.1 4.5 6.0 7.6 .0 7.6 10
PENDLETON 1.6 3.4 2.5 3.4 2.1 .3 .8 4.1 5.1 6.6 8.0 .0 8.0 10
15 SWSP MPH ALPINE 1.1 .8 .9 1.1 1.0 1.6 1.8 3.3 3.6 4.0 5.1 2.2 5.1 10
CHULA VISTA 2.0 1.9 1.9 2.5 1.4 3.2 3.1 2.4 3.8 5.8 6.5 3.1 6.5 10
DOWNTOWN SE 1.9 2.7 2.6 2.1 3.6 3.8 3.1 2.4 3.9 7.2 7.9 3.7 7.9 10
EL CAJON LES 1.3 1.8 2.4 2.3 2.5 1.9 2.0 2.4 2.5 3.6 5.1 2.5 5.1 10
KEARNY MESA 1.1 1.9 1.6 1.6 3.0 2.2 2.2 2.3 3.9 5.8 9.2 3.2 9.2 10
OTAY MESA DVN 3.3 2.9 2.6 2.6 2.6 3.1 3.4 5.5 5.0 6.3 8.0 4.1 8.0 10
PENDLETON 2.3 3.7 3.1 3.6 2.8 2.5 1.9 4.3 5.4 6.8 8.1 4.0 8.1 10
16 AMBTEMP °F ALPINE 58.5 58.9 59.1 59.2 59.4 60.8 63.7 65.9 68.3 72.3 75.4 63.8 75.4 10
CARMEL MT RCH 59.6 58.7 58.2 58.5 58.5 58.8 59.5 60.9 64.7 71.7 75.9 62.3 75.9 10
CHULA VISTA 62.8 62.8 62.6 62.3 62.3 62.0 61.9 62.7 64.5 66.7 67.1 63.4 67.1 10
DOWNTOWN SE 62.0 61.8 61.8 61.4 60.9 60.5 60.4 61.4 64.6 66.4 66.5 62.5 66.5 10
EL CAJON LES 60.4 59.5 59.9 60.0 59.7 59.4 61.0 64.1 69.0 74.5 78.1 64.1 78.1 10
KEARNY MESA 58.8 57.6 58.9 60.8 60.7 61.0 62.0 63.6 68.2 71.9 73.1 63.3 73.1 10
OTAY MESA DVN 59.8 59.2 59.4 59.7 59.9 59.6 60.5 62.8 66.3 71.3 73.0 62.9 73.0 10
PENDLETON 63.3 62.1 62.9 62.7 62.4 62.1 62.4 62.9 64.0 64.9 65.1 63.2 65.1 10
Current Date: 5/31/2026 11:09 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 62.7 63.1 62.9 62.6 62.2 62.4 63.2 65.0 67.2 68.4 68.8 64.4 68.8 10
17 RELHUM % ALPINE 84 82 79 73 69 61 65 65 59 51 49 67 84 00
EL CAJON LES 92 94 93 95 94 94 89 80 70 58 51 83 95 03
KEARNY MESA 93 95 95 93 93 92 89 85 74 65 64 85 95 01
18 PRES mmHg EL CAJON LES 747 747 747 747 747 747 748 748 748 747 747 747 748 06
KEARNY MESA 748 748 748 748 748 748 748 749 749 748 748 748 749 07
19 SOLAR W/M2 EL CAJON LES 0 0 3 2 4 40 151 490 711 875 988 297 988 10
KEARNY MESA 1 1 1 1 3 30 90 346 753 880 993 282 993 10
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 3 9 27 39 48 55 16 55 10
25 NOY EL CAJON LES 3.84 3.74 3.64 2.75 C C 2.80 2.99 3.15 3.93 3.60 3.38 3.93 09
26 NOY-NO EL CAJON LES 3.79 3.69 3.58 2.71 C C 2.40 2.29 2.40 3.22 3.12 3.02 3.79 00
27 NO Trace EL CAJON LES .04 .05 .05 .03 C C .39 .70 .75 .70 .48 .35 .75 08
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 194.6 C C C 166.7 179.7 181.5 186.4 200.0 225.0 217.1 193.8 225.0 09
BCarbon ug/m3 10TH AVE MARIN .08 .16 .16 .16 .19 .24 .24 .24 .33 .45 .34 .24 .45 09
ALPINE < .09 .09 .09 .09 .08 < .15 .13 .19 .37 .14 .37 10
BOSTON AVE .12 .20 .22 .23 .18 .35 .36 .44 .52 .58 .34 .32 .58 09
CHICANO PARK .27 .29 .33 .25 < .44 .35 < .46 .51 .28 .35 .51 09
DOWNTOWN SE .21 .20 .25 < .35 .36 .40 .40 .44 < .42 .34 .44 08
OCEANVIEW BLV .30 .25 .20 < < .29 .35 .36 .43 .56 .42 .35 .56 09
OTAY MESA DVN < .26 < 1.72 6.74 7.87 < 3.71 1.39 .54 < 3.18 7.87 05
SAN YSIDRO < .10 < .22 .31 .39 < .96 .75 < .41 .45 .96 07
PM10 STD ALPINE 13.9 13.0 12.1 9.5 9.9 9.0 11.8 13.5 15.8 17.2 18.1 13.0 18.1 10
CARMEL MT RCH 12.8 12.6 12.9 11.2 14.8 17.4 17.6 17.2 20.3 20.9 19.9 16.1 20.9 09
CHULA VISTA 17.0 17.0 19.7 18.3 20.0 23.0 23.4 26.3 29.7 30.1 30.0 23.1 30.1 09
DOWNTOWN SE 17.8 19.7 20.1 21.3 21.7 20.6 23.4 24.0 26.5 30.5 25.4 22.8 30.5 09
EL CAJON LES 15.1 15.2 16.7 17.1 17.2 17.4 17.9 18.0 19.1 21.0 20.4 17.7 21.0 09
KEARNY MESA 13.6 13.3 13.6 16.1 17.5 18.6 19.4 20.1 24.5 27.7 30.7 19.5 30.7 10
OTAY MESA DVN 22.2 21.7 24.4 30.6 43.4 50.0 43.9 33.9 24.9 28.1 28.4 31.9 50.0 05
PENDLETON 16.4 14.9 17.4 23.4 22.3 20.0 19.5 26.1 20.4 17.6 17.7 19.6 26.1 07
SAN YSIDRO 21.1 20.3 21.5 23.2 26.5 31.1 37.9 40.5 44.6 46.5 41.4 32.2 46.5 09
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00