Current Date: 5/22/2026 6:09 PM
Daily Parameter Report
5/22/2026
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 .029 .027 C C .022 .024 .024 .031 .038 .046 .055 .064 .068 .066 .062 .060 .056 .051 .045 .068 12
CHULA VISTA .040 .039 C C .041 .039 .037 .039 .043 .048 .048 .047 .048 .049 .049 .049 .047 .046 .044 .049 13
DOWNTOWN SE .042 .043 .043 .042 .040 .038 .039 .040 .042 .046 .048 .046 .047 .047 .046 .045 .045 .043 .043 .048 10
EL CAJON LES .036 .037 .035 C C C .031 .033 .038 .044 M M M M M M M .044 .037 .044 09
KEARNY MESA .040 .043 C C .041 .040 .039 .041 .043 .046 .051 .052 .051 .050 .050 .048 .047 .048 .045 .052 11
OTAY MESA DVN .029 .029 C C .028 .028 .027 .030 .038 .048 .052 .051 .051 .051 .052 .052 .049 .047 .041 .052 10
PENDLETON .044 .044 C C .044 .045 .045 .046 .047 .048 .050 .050 .050 .051 .047 .046 .045 .044 .046 .051 13
03 NO2 PPB ALPINE 5.7 5.1 C C 4.9 5.2 6.9 4.9 4.9 4.6 4.1 3.8 4.3 3.7 3.1 3.0 3.5 4.1 4.4 6.9 06
CARMEL MT RCH 3.8 5.9 C C 2.5 11.4 14.1 7.4 6.2 11.4 11.1 9.3 9.2 8.5 9.6 8.4 8.8 7.3 8.4 14.1 06
CHULA VISTA 2.5 2.6 C C 1.9 2.6 4.2 3.3 2.7 1.6 1.4 1.3 1.6 1.7 1.6 1.5 2.4 1.7 2.1 4.2 06
DOWNTOWN SE 2.2 1.6 2.5 2.1 3.2 4.3 4.4 3.8 4.0 3.1 3.4 2.7 2.6 2.8 2.7 2.7 3.6 2.6 3.0 4.4 06
EL CAJON LES 4.9 4.1 4.8 C C C 6.4 7.2 8.0 8.5 M M M M M M M 6.6 6.3 8.5 09
KEARNY MESA 2.3 1.2 C C 1.8 2.1 3.2 3.7 5.3 5.4 2.4 1.4 1.6 1.4 1.6 2.0 1.7 1.2 2.3 5.4 09
OTAY MESA DVN 7.4 6.2 C C 5.3 5.4 7.9 8.1 6.1 3.8 2.2 1.9 1.6 1.5 1.6 1.4 1.8 1.8 4.0 8.1 07
PENDLETON .9 .9 C C 1.5 1.2 1.0 1.1 1.0 1.0 1.1 1.0 1.0 .9 .8 .8 .7 .9 .9 1.5 04
SAN YSIDRO 4.0 5.5 C C 5.0 7.5 6.9 5.2 3.8 2.7 2.6 2.5 2.4 2.9 3.3 2.4 2.8 3.8 3.9 7.5 05
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .5 .5 .3 .3 .3 .4 .4 .4 .4 .5 .4 .4 .4 .4 .5 05
SAN YSIDRO .2 .2 C C .2 .3 .3 .3 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .3 05
07 H2S PPB IB CIVIC CTR .6 .8 1.3 2.1 2.6 4.6 3.7 2.2 .5 .6 .6 .6 .5 .5 .6 .6 .5 .6 1.3 4.6 05
NESTOR - BES 17.5 2.1 1.4 10.6 24.1 4.2 4.4 3.7 2.2 1.8 1.2 1.2 .8 .5 .5 .7 .8 .5 4.3 24.1 04
SAN YSIDRO 2.0 1.7 1.2 4.4 1.2 .9 1.9 3.6 2.3 .8 .6 .7 .5 .7 .9 .6 .6 .9 1.4 4.4 03
10 INTMP °C ALPINE 27 27 27 27 26 27 26 26 25 25 25 25 25 25 25 25 25 25 26 27 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
CHULA VISTA 24 25 24 24 25 25 24 24 24 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 24 24 24 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 25 26 26 26 00
KEARNY MESA 25 24 24 24 24 25 24 24 24 24 24 25 24 24 24 25 24 24 24 25 00
OTAY MESA DVN 25 25 24 24 24 24 25 24 24 24 24 24 24 24 24 24 24 24 24 25 00
PENDLETON 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 00
SAN YSIDRO 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 24 24 24 25 00
10 INTMP °C        IB CIVIC CTR 27 26 26 27 27 27 26 25 25 24 24 24 24 23 24 25 26 26 25 27 00
NESTOR - BES 26 26 26 26 26 26 26 25 25 25 25 25 25 25 25 25 25 26 25 26 00
11 PM2.5 µg/M3 ALPINE 13.2 12.1 10.9 9.4 7.7 8.3 12.7 12.2 12.6 13.8 13.2 13.0 14.2 12.1 11.2 10.6 11.5 11.0 11.6 14.2 12
CARMEL MT RCH 15.0 15.9 16.3 16.4 16.0 15.2 15.9 16.3 17.1 16.0 15.3 13.2 12.2 11.8 12.0 12.4 12.7 10.7 14.4 17.1 08
CHULA VISTA 12.5 12.9 15.2 14.5 12.2 11.5 12.0 12.7 15.1 12.7 11.3 11.5 11.5 12.0 12.5 12.1 11.1 10.0 12.4 15.2 02
DOWNTOWN SE 10.3 10.1 10.0 10.9 12.7 13.2 12.6 13.0 14.1 13.0 12.5 12.0 12.3 12.6 12.2 12.1 11.1 10.4 11.9 14.1 08
EL CAJON LES 12.3 12.1 12.1 13.0 13.7 14.9 14.6 14.4 14.4 14.8 15.2 14.1 12.6 12.8 12.3 11.9 11.2 11.1 13.1 15.2 10
KEARNY MESA 12.6 11.2 11.2 11.2 11.6 12.9 13.1 13.6 15.8 15.9 14.4 12.7 12.7 12.4 12.6 12.1 11.5 10.1 12.6 15.9 09
Current Date: 5/22/2026 6:09 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 23.2 23.2 20.5 21.3 25.2 24.0 24.0 24.7 22.2 18.6 14.0 12.4 11.6 11.4 11.1 11.1 10.8 10.1 17.7 25.2 04
PENDLETON 10.0 10.3 10.8 10.6 10.4 10.0 9.5 9.5 9.2 9.7 10.2 10.2 10.0 9.9 9.3 8.5 8.2 8.4 9.7 10.8 02
SAN YSIDRO 13.1 14.2 16.8 16.6 22.9 22.9 22.8 22.7 20.1 14.5 13.3 13.8 13.7 13.0 13.6 13.3 12.5 11.5 16.1 22.9 04
12 VWDR ° ALPINE 338 0 326 18 29 305 256 246 273 270 257 266 254 293 261 266 244 261 0 338 00
CHULA VISTA 221 255 56 93 87 102 85 203 235 245 254 262 262 266 252 251 250 265 0 266 13
DOWNTOWN SE 179 217 233 146 79 101 193 202 202 199 213 214 223 269 251 255 250 261 0 269 13
EL CAJON LES 158 153 162 210 148 167 202 169 242 262 239 233 255 249 262 220 217 219 0 262 09
KEARNY MESA 186 155 105 127 128 95 124 191 212 219 245 249 246 285 280 280 282 292 0 292 17
OTAY MESA DVN 325 22 25 14 18 332 294 288 278 275 283 285 286 283 284 278 280 280 0 332 05
PENDLETON 210 231 255 292 265 210 217 189 224 245 258 254 250 258 258 251 247 254 0 292 03
13 SIGTHETA ° ALPINE 38 28 34 47 36 34 39 33 40 32 38 33 32 26 29 27 27 29 33 47 03
CHULA VISTA 36 53 43 23 42 65 50 37 39 24 27 27 26 28 23 22 23 25 34 65 05
DOWNTOWN SE 23 47 43 49 25 38 39 25 23 25 25 23 23 27 29 26 26 23 30 49 03
EL CAJON LES 15 40 28 39 21 42 38 70 61 42 41 24 27 25 28 25 28 24 34 70 07
KEARNY MESA 17 62 46 36 43 30 58 60 46 31 24 22 23 24 27 19 20 16 34 62 01
OTAY MESA DVN 49 50 31 30 42 30 59 48 38 34 18 18 19 17 19 15 14 15 30 59 06
PENDLETON 14 21 17 23 45 34 38 39 13 19 14 11 12 15 14 11 12 18 21 45 04
14 VWSP MPH ALPINE 1.2 2.0 1.6 .7 1.3 1.2 1.7 2.5 3.0 4.2 4.6 5.8 5.5 6.6 6.4 5.9 6.0 4.3 .0 6.6 13
CHULA VISTA 1.8 1.3 1.9 1.9 1.6 1.0 1.7 1.6 3.2 6.1 6.6 7.3 6.7 6.6 6.6 7.0 6.2 4.8 .0 7.3 11
DOWNTOWN SE 3.6 1.7 1.5 1.3 2.1 1.3 3.0 4.4 5.0 5.6 6.7 7.8 6.9 5.9 7.2 6.8 5.7 4.9 .0 7.8 11
EL CAJON LES 3.7 1.4 2.0 1.3 2.9 2.0 .8 1.3 2.0 3.3 4.1 7.1 6.2 6.7 5.7 8.2 7.2 5.9 .0 8.2 15
KEARNY MESA 4.6 1.7 1.2 2.2 1.4 1.6 1.3 2.7 3.1 6.0 7.2 8.8 8.3 8.4 7.3 8.7 7.8 7.0 .0 8.8 11
OTAY MESA DVN 1.3 2.8 2.8 2.8 1.1 2.6 1.7 2.6 3.6 5.3 9.6 9.5 8.6 9.9 8.0 9.6 9.3 8.3 .0 9.9 13
PENDLETON 5.4 4.3 3.6 1.5 .7 1.4 2.6 3.0 7.0 5.7 7.2 9.4 10.1 7.6 7.7 8.8 8.2 5.4 .0 10.1 12
15 SWSP MPH ALPINE 1.5 2.2 1.9 1.4 2.0 1.4 2.1 2.9 3.6 4.9 5.7 6.7 6.5 7.2 7.2 6.7 6.8 4.9 4.2 7.2 13
CHULA VISTA 2.7 2.0 2.5 2.1 2.4 2.0 2.3 2.5 4.4 6.7 7.4 8.1 7.3 7.3 7.1 7.5 6.8 5.3 4.8 8.1 11
DOWNTOWN SE 3.9 2.3 2.0 1.9 2.4 2.3 3.5 4.8 5.5 6.0 7.4 8.5 7.6 6.6 8.2 7.7 6.4 5.6 5.1 8.5 11
EL CAJON LES 3.9 2.1 2.2 2.0 3.0 2.5 2.2 2.4 3.2 4.1 5.3 8.1 6.9 7.4 6.4 9.7 8.6 6.4 4.8 9.7 15
KEARNY MESA 5.0 2.4 1.8 2.6 2.0 3.1 2.5 4.0 4.3 7.1 7.8 9.5 9.3 9.2 8.0 9.2 8.3 7.3 5.7 9.5 11
OTAY MESA DVN 2.2 3.3 3.3 3.2 2.1 2.8 2.7 3.4 4.6 6.2 10.2 10.3 9.1 10.4 8.4 9.9 9.6 8.6 6.1 10.4 13
PENDLETON 5.6 4.6 3.7 2.2 1.7 1.9 3.1 3.7 7.3 6.1 7.4 9.6 10.3 7.8 7.9 9.0 8.4 5.6 5.9 10.3 12
16 AMBTEMP °F ALPINE 53.8 53.1 52.6 51.7 50.3 51.2 54.4 58.7 63.4 67.1 69.9 71.6 72.6 72.7 72.6 71.8 68.9 65.9 62.4 72.7 13
CARMEL MT RCH 61.5 60.7 61.1 61.1 60.9 60.9 61.6 64.0 67.9 71.2 72.1 73.0 73.4 72.3 72.7 71.4 69.1 65.9 66.7 73.4 12
CHULA VISTA 62.0 62.0 62.0 61.9 61.8 61.6 62.0 63.6 66.0 66.9 66.8 66.6 66.4 67.9 68.1 67.1 65.9 65.0 64.6 68.1 14
DOWNTOWN SE 62.0 61.5 61.6 62.0 61.7 62.2 63.2 64.6 66.1 67.5 68.7 68.1 68.5 69.9 69.2 68.2 66.9 65.6 65.4 69.9 13
EL CAJON LES 60.9 60.6 60.7 61.0 60.9 61.0 62.0 63.7 67.6 71.1 74.3 74.5 74.7 75.1 76.6 74.9 71.9 69.5 67.8 76.6 14
KEARNY MESA 62.4 62.3 62.4 62.5 62.1 62.4 63.3 65.4 67.5 70.1 70.3 70.2 70.3 70.7 70.8 69.7 67.2 65.5 66.4 70.8 14
OTAY MESA DVN 59.7 59.4 58.9 58.6 58.9 59.2 60.5 62.9 66.6 70.0 70.4 70.3 70.2 70.1 69.7 69.1 67.0 64.7 64.8 70.4 10
PENDLETON 63.2 63.2 63.0 63.1 63.3 63.5 64.0 64.7 65.3 65.8 66.4 66.5 66.6 66.2 66.3 65.8 65.1 64.2 64.8 66.6 12
Current Date: 5/22/2026 6:09 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 62.7 62.5 62.7 62.4 62.5 62.7 63.1 64.6 67.1 68.3 69.1 68.9 69.1 69.4 70.0 68.6 67.2 65.5 65.9 70.0 14
17 RELHUM % ALPINE 99 100 100 100 99 96 91 77 67 59 50 45 47 46 45 44 57 64 71 100 01
EL CAJON LES 89 90 89 88 87 86 82 77 67 56 49 50 49 48 45 50 56 61 68 90 01
KEARNY MESA 85 82 80 79 79 79 76 71 65 60 61 61 60 60 59 62 68 72 70 85 00
18 PRES mmHg EL CAJON LES 746 746 745 745 745 745 746 746 746 746 746 746 746 746 745 745 746 746 746 746 00
KEARNY MESA 747 746 746 746 746 746 747 747 747 747 747 747 747 747 746 746 747 747 747 747 00
19 SOLAR W/M2 EL CAJON LES 2 2 2 2 3 33 109 353 698 866 978 1030 1017 937 797 608 394 175 445 1030 11
KEARNY MESA 1 1 1 1 3 46 163 506 730 888 995 1038 1021 939 807 630 413 181 465 1038 11
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 7 19 37 47 53 57 56 51 42 31 19 8 24 57 11
25 NOY EL CAJON LES 2.08 1.89 2.12 2.31 2.86 3.15 C C 5.08 5.20 5.01 4.73 3.75 4.20 3.40 3.46 3.35 4.09 3.54 5.20 09
26 NOY-NO EL CAJON LES 2.05 1.86 2.09 2.28 2.84 2.99 C C 3.84 3.87 4.25 4.01 3.19 3.24 2.82 2.68 2.74 3.56 3.01 4.25 10
27 NO Trace EL CAJON LES .03 .02 .02 .03 .01 .15 C C 1.23 1.33 .75 .71 .55 .96 .57 .78 .61 .52 .51 1.33 09
28 SO2 Tr PPB EL CAJON LES .0 .0 .0 C C C .0 .0 .0 .0 M M M M M M M .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 156.1 150.6 160.7 C C C 201.3 212.6 235.7 239.2 C C M M M M C 167.6 190.4 239.2 09
BCarbon ug/m3 10TH AVE MARIN .07 .06 .07 .09 < < .14 .17 .23 .32 .26 .25 < .15 .25 .13 .18 < .17 .32 09
ALPINE .28 .28 .25 .22 .28 .24 .28 .24 .26 .30 .30 .27 .31 < < .14 .16 < .25 .31 12
BOSTON AVE .22 .12 .15 .20 .32 .29 .37 .55 < < .22 .24 .20 .24 .26 .15 .21 .17 .24 .55 07
CHICANO PARK .11 .15 .16 .15 .27 .26 .28 .32 .34 .28 .24 .24 .17 .20 .22 .16 .19 < .22 .34 08
DOWNTOWN SE .14 .11 .14 < .20 .22 .28 .27 < .22 .25 < .16 .18 .15 .14 .20 .12 .19 .28 06
OCEANVIEW BLV .11 .11 < < .17 .23 .27 .34 .34 .31 .25 .30 .19 .19 .24 .18 .23 .18 .23 .34 07
OTAY MESA DVN .83 .73 < .71 1.13 1.17 1.05 < .80 .44 .23 .16 .13 .13 .12 .11 .12 < .52 1.17 05
SAN YSIDRO .34 .46 .43 < .58 < .60 .50 < .18 .13 .15 < .13 .13 .12 .12 .15 .29 .60 06
PM10 STD ALPINE 23.7 17.9 15.5 13.4 12.6 20.1 28.3 30.2 34.1 34.8 32.6 32.9 36.7 32.6 29.8 29.8 29.3 28.5 26.8 36.7 12
CARMEL MT RCH 33.1 31.9 33.8 32.7 31.9 31.8 32.5 32.7 36.6 35.5 37.0 31.9 31.2 30.3 31.1 29.6 30.5 25.8 32.2 37.0 10
CHULA VISTA 29.8 32.8 36.6 33.2 28.1 25.2 26.9 29.5 36.2 32.1 27.7 28.7 28.4 29.1 31.3 28.8 26.7 25.1 29.7 36.6 02
DOWNTOWN SE 26.2 24.7 24.7 26.5 29.8 32.1 34.3 37.1 36.5 36.6 34.7 37.5 34.5 34.6 30.6 29.6 27.8 25.7 31.3 37.5 11
EL CAJON LES 28.1 27.5 28.5 30.7 29.3 31.3 31.1 32.5 33.7 48.4 37.7 34.4 33.8 34.7 32.9 33.5 29.6 29.2 32.6 48.4 09
KEARNY MESA 29.3 28.0 27.5 27.9 28.0 28.7 31.0 31.9 39.5 39.1 37.1 34.6 32.9 32.1 36.3 33.7 27.0 25.0 31.6 39.5 08
OTAY MESA DVN 51.1 50.6 40.8 41.9 54.5 53.3 55.8 57.5 54.4 44.7 46.3 39.0 35.4 30.0 28.8 29.3 28.4 25.3 42.6 57.5 07
PENDLETON 24.5 25.0 29.7 28.8 27.6 27.9 24.3 22.8 22.3 24.6 25.4 27.4 25.8 26.5 24.9 24.5 21.6 22.4 25.3 29.7 02
SAN YSIDRO 31.2 35.7 37.0 40.4 47.8 48.3 47.9 48.5 48.0 44.6 37.4 38.9 36.3 33.3 34.2 33.8 31.3 28.0 39.0 48.5 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00