Current Date: 5/17/2026 10:09 AM
Daily Parameter Report
5/17/2026
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 C C .036 .038 .047 .048 .048 .049 .050 .045 .050 09
CHULA VISTA .052 C C .043 .045 .045 .045 .046 .047 .046 .046 .052 00
DOWNTOWN SE .051 C C .050 .048 .045 .044 .044 .045 .044 .046 .051 00
EL CAJON LES .048 C C C .030 .032 .035 .040 .044 .046 .039 .048 00
KEARNY MESA .053 C C .046 .034 .031 .040 .047 .047 .049 .043 .053 00
OTAY MESA DVN .051 C C .048 .047 .045 .045 .046 .049 .048 .047 .051 00
PENDLETON .051 C C .047 .044 .041 .042 .045 .046 .047 .045 .051 00
03 NO2 PPB ALPINE 4.2 C C 4.3 5.5 8.5 8.7 7.4 7.2 6.4 6.5 8.7 06
CARMEL MT RCH 3.8 C C 2.1 2.8 2.5 2.1 2.3 7.1 7.3 3.7 7.3 09
CHULA VISTA 1.8 C C 3.0 2.2 1.7 1.7 2.0 2.1 1.4 1.9 3.0 03
DOWNTOWN SE 3.8 C C 3.0 2.9 3.1 2.7 2.6 2.9 2.5 2.9 3.8 00
EL CAJON LES 19.6 C C C 36.3 32.8 25.2 21.2 13.3 12.0 22.9 36.3 04
KEARNY MESA 1.8 C C 3.0 5.2 5.2 3.6 1.5 1.2 1.4 2.8 5.2 04
OTAY MESA DVN 3.8 C C 2.6 2.7 3.8 3.7 3.4 2.6 3.0 3.2 3.8 00
PENDLETON 1.7 C C 4.3 5.3 6.2 6.0 5.1 3.5 2.2 4.2 6.2 05
SAN YSIDRO 2.6 C C 4.2 4.8 5.9 4.7 4.1 4.1 3.0 4.1 5.9 05
06 CO PPM CARMEL MT RCH .2 C C .3 .3 .3 .3 .2 .4 .4 .3 .4 08
SAN YSIDRO .3 C C .3 .3 .3 .3 .3 .3 .2 .3 .3 00
07 H2S PPB IB CIVIC CTR .7 1.9 8.6 10.4 5.9 4.2 2.5 1.3 .9 .6 3.7 10.4 03
NESTOR - BES 5.5 16.1 8.1 66.5 25.3 11.4 2.8 3.0 2.7 .8 14.2 66.5 03
SAN YSIDRO 2.1 1.6 1.0 1.2 .8 .8 .7 .5 .5 .7 .9 2.1 00
10 INTMP °C ALPINE 26 26 27 27 26 26 26 26 26 26 26 27 02
CARMEL MT RCH 25 25 25 25 25 25 25 25 24 24 25 25 00
CHULA VISTA 25 24 25 24 25 25 24 24 24 24 24 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 25 24 24 24 24 24 24 24 24 25 02
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 26 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 27 27 27 27 27 27 27 26 26 26 27 27 00
NESTOR - BES 26 26 26 26 26 26 26 26 25 25 26 26 00
11 PM2.5 µg/M3 ALPINE 15.5 16.4 15.4 15.1 20.7 43.5 42.2 34.6 33.5 29.5 26.6 43.5 05
CARMEL MT RCH 21.8 35.4 51.0 55.4 58.2 59.6 54.8 37.2 26.9 25.5 42.5 59.6 05
CHULA VISTA 56.1 47.3 48.2 48.2 40.3 22.9 22.1 23.1 22.7 20.4 35.1 56.1 00
DOWNTOWN SE 49.4 47.5 49.4 52.9 42.2 28.6 24.5 26.2 24.3 22.4 36.7 52.9 03
EL CAJON LES 35.9 58.8 54.4 54.1 56.3 50.6 36.6 34.8 22.7 21.8 42.6 58.8 01
KEARNY MESA 55.4 56.6 56.7 48.6 49.2 52.4 43.1 25.2 26.2 24.4 43.7 56.7 02
Current Date: 5/17/2026 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 61.3 74.1 67.9 56.8 39.2 30.2 24.2 20.9 21.5 21.6 41.7 74.1 01
PENDLETON 24.3 32.9 43.0 47.6 47.7 47.6 44.4 38.1 28.0 27.8 38.1 47.7 04
SAN YSIDRO 68.2 55.4 57.2 49.2 31.9 22.6 23.8 25.6 27.8 24.9 38.6 68.2 00
12 VWDR ° ALPINE 202 189 137 138 277 254 200 179 234 272 0 277 04
CHULA VISTA 182 184 168 139 177 197 202 187 210 220 0 220 09
DOWNTOWN SE 198 175 176 169 174 190 182 181 191 196 0 198 00
EL CAJON LES 201 167 169 134 102 99 120 167 216 228 0 228 09
KEARNY MESA 157 130 140 157 104 98 144 171 205 194 0 205 08
OTAY MESA DVN 173 161 138 178 171 167 175 164 183 217 0 217 09
PENDLETON 166 158 105 91 96 109 126 170 181 178 0 181 08
13 SIGTHETA ° ALPINE 22 21 13 47 64 28 33 35 34 33 33 64 04
CHULA VISTA 14 12 18 28 16 19 22 21 21 21 19 28 03
DOWNTOWN SE 17 14 13 15 16 17 14 16 17 19 16 19 09
EL CAJON LES 22 16 20 34 40 45 27 30 32 23 29 45 05
KEARNY MESA 16 13 11 13 10 7 12 13 18 17 13 18 08
OTAY MESA DVN 11 11 13 10 10 10 12 14 16 15 12 16 08
PENDLETON 10 12 11 8 8 10 15 13 12 11 11 15 06
14 VWSP MPH ALPINE 2.7 1.7 2.5 .6 .4 1.3 1.8 2.6 2.6 3.1 .0 3.1 09
CHULA VISTA 3.5 3.9 2.2 1.4 3.2 3.7 4.6 5.9 6.6 7.5 .0 7.5 09
DOWNTOWN SE 5.0 4.9 5.7 5.5 5.2 5.2 6.7 7.8 8.5 8.4 .0 8.5 08
EL CAJON LES 3.4 3.5 2.7 .6 1.3 1.7 1.8 2.5 3.7 6.3 .0 6.3 09
KEARNY MESA 3.7 3.7 5.7 4.7 2.8 3.1 5.6 8.1 8.3 9.6 .0 9.6 09
OTAY MESA DVN 4.6 5.1 5.0 4.9 5.7 6.6 6.4 7.6 7.3 7.7 .0 7.7 09
PENDLETON 9.3 8.1 4.7 5.1 5.4 4.4 4.7 6.6 8.8 12.3 .0 12.3 09
15 SWSP MPH ALPINE 3.0 2.4 2.6 .9 .9 1.6 2.0 3.0 3.6 4.1 2.4 4.1 09
CHULA VISTA 3.6 3.9 2.5 1.6 3.3 3.9 5.0 6.3 7.1 8.0 4.5 8.0 09
DOWNTOWN SE 5.2 5.1 5.8 5.7 5.4 5.4 6.9 8.1 8.8 9.0 6.5 9.0 09
EL CAJON LES 3.7 3.6 2.8 1.2 1.5 1.8 2.1 2.8 4.3 7.0 3.1 7.0 09
KEARNY MESA 4.3 3.8 5.8 4.8 2.8 3.1 5.8 8.3 8.8 10.1 5.8 10.1 09
OTAY MESA DVN 4.8 5.2 5.2 5.1 5.8 6.7 6.5 7.9 7.7 8.0 6.3 8.0 09
PENDLETON 9.5 8.3 5.0 5.2 5.4 4.5 5.2 6.8 9.0 12.5 7.1 12.5 09
16 AMBTEMP °F ALPINE 54.3 53.0 51.6 51.4 51.7 51.8 53.0 55.1 57.0 58.2 53.7 58.2 09
CARMEL MT RCH 59.2 58.0 57.2 57.0 56.5 57.0 59.1 62.0 63.1 64.6 59.4 64.6 09
CHULA VISTA 61.8 61.3 60.3 60.3 60.8 61.2 62.2 63.6 64.6 64.8 62.1 64.8 09
DOWNTOWN SE 61.7 61.2 61.2 61.1 61.2 61.1 61.5 62.8 63.9 64.4 62.0 64.4 09
EL CAJON LES 60.5 59.3 58.6 57.8 57.4 58.8 59.8 61.8 64.1 65.8 60.4 65.8 09
KEARNY MESA 60.4 59.0 60.2 58.8 56.1 56.9 61.0 62.5 63.6 64.8 60.3 64.8 09
OTAY MESA DVN 59.5 59.5 59.1 59.0 59.0 59.1 60.0 61.2 63.1 64.0 60.4 64.0 09
PENDLETON 63.4 62.9 61.7 61.0 60.3 60.6 62.2 63.7 64.6 65.9 62.6 65.9 09
Current Date: 5/17/2026 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 62.4 61.8 61.5 61.8 61.9 62.2 63.1 64.7 65.5 66.3 63.1 66.3 09
17 RELHUM % ALPINE 87 92 94 93 94 97 91 83 77 75 88 97 05
EL CAJON LES 82 84 85 86 87 84 81 78 70 66 80 87 04
KEARNY MESA 81 84 83 86 92 91 81 75 73 70 82 92 04
18 PRES mmHg EL CAJON LES 746 745 745 744 744 744 745 745 745 745 745 746 00
KEARNY MESA 746 746 745 745 745 745 745 746 746 746 746 746 00
19 SOLAR W/M2 EL CAJON LES 0 -1 -1 0 3 45 69 196 327 561 120 561 09
KEARNY MESA 1 1 1 1 4 45 192 219 274 485 122 485 09
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 4 11 20 32 7 32 09
25 NOY EL CAJON LES 2.76 2.88 3.45 4.02 C C 3.31 3.27 3.29 3.06 3.25 4.02 03
26 NOY-NO EL CAJON LES 2.73 2.87 3.41 4.00 C C 3.18 3.02 2.90 2.59 3.08 4.00 03
27 NO Trace EL CAJON LES .03 .01 .04 .01 C C .12 .25 .38 .47 .16 .47 09
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 232.4 C C C 308.2 288.2 255.8 241.7 209.5 205.2 248.7 308.2 04
BCarbon ug/m3 10TH AVE MARIN < < < < < < < < < < < <
ALPINE < < .52 .49 < 1.03 .95 < .81 .60 .73 1.03 05
BOSTON AVE .92 .94 .84 .90 .66 .50 .46 .45 .41 .31 .64 .94 01
CHICANO PARK .90 .79 .77 < .57 < .33 .37 .32 .30 .54 .90 00
DOWNTOWN SE .88 < .78 .80 .58 .36 .32 .36 < .26 .54 .88 00
OCEANVIEW BLV .82 .75 .78 .82 < .33 .34 < .32 .27 .55 .82 00
OTAY MESA DVN 1.44 1.59 1.70 1.46 .60 .47 .62 .41 .34 .36 .90 1.70 02
SAN YSIDRO 1.07 < < < .39 .27 .34 .36 .35 .25 .43 1.07 00
PM10 STD ALPINE 34.2 37.3 33.4 31.7 37.5 68.7 65.6 58.1 59.0 56.9 48.2 68.7 05
CARMEL MT RCH 42.6 56.5 72.8 79.0 79.8 83.3 79.3 63.9 52.9 53.2 66.3 83.3 05
CHULA VISTA 87.3 79.2 79.8 78.8 69.6 54.5 55.8 58.0 49.7 48.2 66.0 87.3 00
DOWNTOWN SE 79.3 78.8 79.8 85.7 70.5 56.3 53.8 56.0 50.0 48.3 65.8 85.7 03
EL CAJON LES 57.8 84.4 77.3 75.8 77.8 74.2 59.5 65.2 48.9 47.5 66.8 84.4 01
KEARNY MESA 81.9 82.2 85.3 78.2 74.2 78.3 74.4 56.6 57.9 54.1 72.3 85.3 02
OTAY MESA DVN 89.5 104.3 100.7 91.9 69.2 60.3 54.3 50.1 48.8 53.1 72.2 104.3 01
PENDLETON 51.2 57.9 67.1 71.1 68.0 69.8 71.5 74.6 59.3 93.7 68.4 93.7 09
SAN YSIDRO 99.4 90.2 92.9 83.8 62.1 54.7 59.4 57.0 61.7 57.6 71.8 99.4 00
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00