Current Date: 5/17/2026 11:09 PM
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 .053 .056 .056 .055 .053 .050 .045 .042 .042 .043 .044 .044 .045 .047 .056 11
CHULA VISTA .052 C C .043 .045 .045 .045 .046 .047 .046 .047 .047 .043 .043 .042 .041 .041 .040 .039 .039 .040 .041 .041 .043 .052 00
DOWNTOWN SE .051 C C .050 .048 .045 .044 .044 .045 .044 .044 .042 .041 .041 .040 .038 .039 .039 .039 .040 .040 .040 .041 .042 .051 00
EL CAJON LES .048 C C C .030 .032 .035 .040 .044 .046 .047 .048 .045 .044 .042 .040 .040 .039 .041 .039 .040 .038 .035 .040 .048 00
KEARNY MESA .053 C C .046 .034 .031 .040 .047 .047 .049 .049 .050 .049 .048 .046 .044 .042 .042 .042 .042 .041 .039 .041 .043 .053 00
OTAY MESA DVN .051 C C .048 .047 .045 .045 .046 .049 .048 .049 .051 .050 .047 .047 .045 .042 .042 .040 .039 .039 .037 .039 .045 .051 00
PENDLETON .051 C C .047 .044 .041 .042 .045 .046 .047 .047 .046 .046 .046 .045 .046 .045 .046 .047 .043 .042 .042 .042 .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 4.9 4.3 3.9 3.3 2.8 3.1 3.5 3.5 3.3 3.0 2.9 2.7 2.6 4.5 8.7 06
CARMEL MT RCH 3.8 C C 2.1 2.8 2.5 2.1 2.3 7.1 7.3 8.2 7.8 8.0 7.3 6.8 7.3 6.7 7.2 6.6 5.3 2.0 2.1 2.7 5.1 8.2 10
CHULA VISTA 1.8 C C 3.0 2.2 1.7 1.7 2.0 2.1 1.4 1.7 1.6 1.2 1.2 1.2 1.4 1.2 1.9 2.5 3.6 2.1 1.7 1.3 1.8 3.6 19
DOWNTOWN SE 3.8 C C 3.0 2.9 3.1 2.7 2.6 2.9 2.5 2.1 2.1 2.0 1.9 2.1 3.0 2.3 2.2 2.2 2.6 2.5 2.7 1.9 2.5 3.8 00
EL CAJON LES 19.6 C C C 36.3 32.8 25.2 21.2 13.3 12.0 10.5 8.9 7.1 6.0 6.1 6.5 5.8 6.1 5.4 5.7 6.5 7.5 6.0 12.4 36.3 04
KEARNY MESA 1.8 C C 3.0 5.2 5.2 3.6 1.5 1.2 1.4 2.0 1.0 1.1 .9 1.0 1.2 1.7 1.7 1.3 1.0 1.6 2.6 2.3 2.0 5.2 04
OTAY MESA DVN 3.8 C C 2.6 2.7 3.8 3.7 3.4 2.6 3.0 2.7 2.3 2.5 2.5 2.1 2.3 2.7 2.4 3.5 4.0 4.1 5.0 3.2 3.0 5.0 21
PENDLETON 1.7 C C 4.3 5.3 6.2 6.0 5.1 3.5 2.2 1.9 1.5 1.6 1.7 1.4 1.6 1.6 1.5 1.8 1.5 1.4 1.2 1.2 2.5 6.2 05
SAN YSIDRO 2.6 C C 4.2 4.8 5.9 4.7 4.1 4.1 3.0 3.3 3.0 3.0 2.8 2.5 3.5 3.7 5.0 6.1 7.1 4.8 4.1 3.6 4.0 7.1 19
06 CO PPM CARMEL MT RCH .2 C C .3 .3 .3 .3 .2 .4 .4 .4 .4 .4 .4 .4 .4 .3 .4 .3 .2 .2 .2 .2 .3 .4 08
SAN YSIDRO .3 C C .3 .3 .3 .3 .3 .3 .2 .2 .2 .2 .2 .2 .2 .2 .2 .2 .3 .2 .2 .2 .2 .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 .6 .6 .6 .8 .7 .7 .6 .6 .8 .8 .6 .6 .6 1.9 10.4 03
NESTOR - BES 5.5 16.1 8.1 66.5 25.3 11.4 2.8 3.0 2.7 .8 1.3 1.1 .7 .7 .8 .8 .9 1.2 3.3 3.6 1.4 .9 1.7 6.9 66.5 03
SAN YSIDRO 2.1 1.6 1.0 1.2 .8 .8 .7 .5 .5 .7 .5 .5 .7 .6 1.3 .9 1.0 .6 .6 .7 1.6 2.1 .9 .9 2.1 00
10 INTMP °C ALPINE 26 26 27 27 26 26 26 26 26 26 26 26 25 25 25 26 25 26 25 26 26 26 26 26 27 02
CARMEL MT RCH 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 25 24 24 24 24 24 24 25 00
CHULA VISTA 25 24 25 24 25 25 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 26 26 26 26 25 25 25 25 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 25 24 24 24 24 24 24 24 24 24 24 24 24 24 25 24 24 24 24 24 24 24 25 02
OTAY MESA DVN 25 25 25 25 25 25 25 25 25 24 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 00
PENDLETON 26 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 25 25 25 25 25 26 26 25 26 00
SAN YSIDRO 25 25 25 25 25 25 25 24 25 24 24 24 24 24 24 24 24 24 24 25 24 25 25 24 25 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 27 26 26 26 25 25 25 24 25 26 27 27 27 27 27 27 27 26 27 00
NESTOR - BES 26 26 26 26 26 26 26 26 25 25 25 25 25 25 25 26 26 26 26 26 26 26 26 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 22.3 20.8 20.0 17.3 15.4 15.3 16.8 17.4 15.0 12.1 10.3 10.2 9.9 20.4 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 24.9 24.7 22.6 19.6 17.3 17.9 15.5 15.7 14.7 13.8 13.5 14.9 15.0 28.5 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 19.3 18.2 16.8 16.4 17.8 18.3 18.0 15.1 13.8 16.0 16.1 16.2 16.4 24.7 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 20.5 17.6 17.7 17.9 20.9 18.4 20.1 16.5 15.8 17.6 16.8 16.3 16.3 26.0 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 22.2 20.0 17.5 16.4 16.2 17.4 16.8 16.2 12.5 11.3 12.7 13.2 14.1 27.5 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 23.4 20.7 18.7 16.9 17.5 16.4 16.0 16.8 14.4 15.4 16.9 16.3 16.6 28.8 56.7 02
Current Date: 5/17/2026 11:09 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 61.3 74.1 67.9 56.8 39.2 30.2 24.2 20.9 21.5 21.6 19.3 16.3 15.6 15.1 14.7 16.0 15.4 13.2 12.1 11.6 13.4 16.4 16.4 26.6 74.1 01
PENDLETON 24.3 32.9 43.0 47.6 47.7 47.6 44.4 38.1 28.0 27.8 26.1 20.8 21.9 20.2 16.6 21.9 24.3 19.8 22.5 18.5 17.8 15.1 14.6 27.8 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 22.0 20.4 18.4 17.8 20.2 21.1 18.6 15.2 15.9 16.9 18.7 17.9 17.5 27.2 68.2 00
12 VWDR ° ALPINE 202 189 137 138 277 254 200 179 234 272 257 275 273 228 260 245 246 235 216 201 187 163 155 0 277 04
CHULA VISTA 182 184 168 139 177 197 202 187 210 220 196 204 230 219 223 217 218 200 186 175 203 204 201 0 230 12
DOWNTOWN SE 198 175 176 169 174 190 182 181 191 196 191 195 207 189 208 204 202 177 182 176 213 203 193 0 213 20
EL CAJON LES 201 167 169 134 102 99 120 167 216 228 214 240 257 238 234 228 231 219 199 188 185 180 173 0 257 12
KEARNY MESA 157 130 140 157 104 98 144 171 205 194 181 218 203 189 203 209 209 191 173 182 166 165 195 0 218 11
OTAY MESA DVN 173 161 138 178 171 167 175 164 183 217 190 191 203 197 206 220 206 188 175 171 159 175 179 0 220 15
PENDLETON 166 158 105 91 96 109 126 170 181 178 188 208 205 200 214 224 210 201 182 178 173 164 173 0 224 15
13 SIGTHETA ° ALPINE 22 21 13 47 64 28 33 35 34 33 36 37 34 32 31 28 30 26 20 21 17 15 17 29 64 04
CHULA VISTA 14 12 18 28 16 19 22 21 21 21 21 22 21 22 20 19 20 22 14 13 18 19 19 19 28 03
DOWNTOWN SE 17 14 13 15 16 17 14 16 17 19 17 19 19 18 19 19 18 15 15 14 17 19 16 17 19 09
EL CAJON LES 22 16 20 34 40 45 27 30 32 23 21 26 25 26 22 23 18 18 15 17 17 19 28 25 45 05
KEARNY MESA 16 13 11 13 10 7 12 13 18 17 18 16 18 15 14 15 14 12 12 12 11 17 12 14 18 08
OTAY MESA DVN 11 11 13 10 10 10 12 14 16 15 16 17 19 17 13 13 12 11 10 10 11 11 14 13 19 12
PENDLETON 10 12 11 8 8 10 15 13 12 11 13 10 14 17 14 14 13 14 15 14 15 11 11 12 17 13
14 VWSP MPH ALPINE 2.7 1.7 2.5 .6 .4 1.3 1.8 2.6 2.6 3.1 3.8 4.3 4.7 5.6 6.3 6.9 5.9 5.3 5.9 5.7 5.2 5.4 4.0 .0 6.9 15
CHULA VISTA 3.5 3.9 2.2 1.4 3.2 3.7 4.6 5.9 6.6 7.5 8.0 8.2 10.5 10.0 10.2 8.5 7.9 6.2 7.6 7.5 6.1 5.5 5.2 .0 10.5 12
DOWNTOWN SE 5.0 4.9 5.7 5.5 5.2 5.2 6.7 7.8 8.5 8.4 10.6 10.7 10.2 11.4 10.5 9.3 9.0 8.2 8.3 8.0 6.2 5.8 6.7 .0 11.4 13
EL CAJON LES 3.4 3.5 2.7 .6 1.3 1.7 1.8 2.5 3.7 6.3 7.9 7.7 8.6 8.9 9.7 10.0 10.1 8.6 9.3 8.5 6.4 5.5 3.5 .0 10.1 16
KEARNY MESA 3.7 3.7 5.7 4.7 2.8 3.1 5.6 8.1 8.3 9.6 10.6 11.0 11.8 12.8 13.5 12.9 11.7 11.4 9.7 7.5 7.8 5.1 6.9 .0 13.5 14
OTAY MESA DVN 4.6 5.1 5.0 4.9 5.7 6.6 6.4 7.6 7.3 7.7 9.8 8.8 10.5 12.4 14.0 15.1 12.5 12.5 11.7 10.3 8.8 7.3 7.2 .0 15.1 15
PENDLETON 9.3 8.1 4.7 5.1 5.4 4.4 4.7 6.6 8.8 12.3 10.8 11.8 10.1 7.7 8.4 8.2 7.6 7.0 8.0 8.6 7.9 10.4 8.0 .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 4.6 5.1 5.5 6.5 7.2 7.8 6.5 5.8 6.2 6.2 5.5 5.6 4.2 4.4 7.8 15
CHULA VISTA 3.6 3.9 2.5 1.6 3.3 3.9 5.0 6.3 7.1 8.0 8.6 8.8 11.2 10.7 10.8 9.0 8.4 6.7 7.8 7.7 6.8 5.8 5.4 6.6 11.2 12
DOWNTOWN SE 5.2 5.1 5.8 5.7 5.4 5.4 6.9 8.1 8.8 9.0 11.1 11.4 10.8 12.1 11.1 9.9 9.4 8.5 8.7 8.2 6.7 6.3 7.0 8.1 12.1 13
EL CAJON LES 3.7 3.6 2.8 1.2 1.5 1.8 2.1 2.8 4.3 7.0 8.4 8.8 9.4 9.9 10.3 10.8 10.6 9.0 9.6 8.9 6.8 5.9 4.0 6.2 10.8 15
KEARNY MESA 4.3 3.8 5.8 4.8 2.8 3.1 5.8 8.3 8.8 10.1 11.4 11.5 12.4 13.4 14.2 13.3 12.1 11.7 9.9 7.7 8.1 5.8 7.1 8.5 14.2 14
OTAY MESA DVN 4.8 5.2 5.2 5.1 5.8 6.7 6.5 7.9 7.7 8.0 10.4 9.4 11.0 13.0 14.4 15.5 12.9 12.9 12.0 10.6 9.1 7.8 7.4 9.1 15.5 15
PENDLETON 9.5 8.3 5.0 5.2 5.4 4.5 5.2 6.8 9.0 12.5 11.2 12.0 10.4 8.0 8.7 8.4 7.8 7.2 8.3 8.8 8.4 10.6 8.1 8.2 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 60.0 61.8 63.3 64.6 64.9 63.0 57.8 55.0 54.1 54.4 54.4 54.5 55.1 56.5 64.9 14
CARMEL MT RCH 59.2 58.0 57.2 57.0 56.5 57.0 59.1 62.0 63.1 64.6 66.6 67.7 67.9 70.8 72.0 67.3 63.4 62.2 61.5 60.8 59.9 59.8 59.5 62.3 72.0 14
CHULA VISTA 61.8 61.3 60.3 60.3 60.8 61.2 62.2 63.6 64.6 64.8 66.8 68.5 68.0 68.4 66.7 64.3 62.9 62.9 62.4 62.5 61.9 61.1 60.8 63.4 68.5 11
DOWNTOWN SE 61.7 61.2 61.2 61.1 61.2 61.1 61.5 62.8 63.9 64.4 65.9 66.7 66.1 66.9 65.9 64.2 62.9 62.9 61.9 62.2 61.2 60.9 60.9 63.0 66.9 13
EL CAJON LES 60.5 59.3 58.6 57.8 57.4 58.8 59.8 61.8 64.1 65.8 67.5 69.6 70.1 70.5 70.2 67.3 63.9 62.5 62.2 61.5 61.4 61.1 59.2 63.1 70.5 13
KEARNY MESA 60.4 59.0 60.2 58.8 56.1 56.9 61.0 62.5 63.6 64.8 67.2 66.4 67.6 68.7 67.6 65.2 63.5 62.5 62.0 61.6 61.5 60.6 60.6 62.5 68.7 13
OTAY MESA DVN 59.5 59.5 59.1 59.0 59.0 59.1 60.0 61.2 63.1 64.0 65.0 67.1 68.8 68.9 68.4 66.8 62.9 60.9 60.5 60.1 59.6 59.1 58.9 62.2 68.9 13
PENDLETON 63.4 62.9 61.7 61.0 60.3 60.6 62.2 63.7 64.6 65.9 66.2 66.6 67.1 67.7 67.4 66.9 65.5 64.7 64.7 63.1 62.5 62.0 61.0 64.0 67.7 13
Current Date: 5/17/2026 11:09 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 62.4 61.8 61.5 61.8 61.9 62.2 63.1 64.7 65.5 66.3 68.5 69.6 69.9 70.0 68.3 65.6 64.3 64.2 63.3 63.4 62.6 61.9 61.7 64.5 70.0 13
17 RELHUM % ALPINE 87 92 94 93 94 97 91 83 77 75 70 64 63 61 62 67 82 90 90 83 81 81 79 81 97 05
EL CAJON LES 82 84 85 86 87 84 81 78 70 66 62 57 57 56 58 65 73 75 68 73 74 77 93 74 93 22
KEARNY MESA 81 84 83 86 92 91 81 75 73 70 64 66 63 60 63 69 73 74 75 79 82 86 83 76 92 04
18 PRES mmHg EL CAJON LES 746 745 745 744 744 744 745 745 745 745 744 744 744 743 743 743 743 743 743 744 744 745 745 744 746 00
KEARNY MESA 746 746 745 745 745 745 745 746 746 746 745 745 745 744 744 744 744 744 744 745 745 745 746 745 746 00
19 SOLAR W/M2 EL CAJON LES 0 -1 -1 0 3 45 69 196 327 561 723 902 938 938 797 544 195 45 9 2 2 1 0 274 938 12
KEARNY MESA 1 1 1 1 4 45 192 219 274 485 829 521 855 901 799 322 125 49 8 1 1 1 1 245 901 13
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 4 11 20 32 44 52 54 52 43 30 13 3 1 0 0 0 0 16 54 12
25 NOY EL CAJON LES 2.76 2.88 3.45 4.02 C C 3.31 3.27 3.29 3.06 2.79 2.64 2.16 1.92 2.00 1.91 1.67 2.05 2.05 2.15 2.46 2.95 1.81 2.60 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 2.37 2.32 1.83 1.52 1.66 1.37 1.40 1.66 1.86 1.97 2.30 2.89 1.77 2.36 4.00 03
27 NO Trace EL CAJON LES .03 .01 .04 .01 C C .12 .25 .38 .47 .41 .32 .32 .39 .34 .53 .26 .38 .18 .18 .15 .06 .04 .23 .53 15
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 232.4 C C C 308.2 288.2 255.8 241.7 209.5 205.2 196.0 182.8 174.1 161.7 165.4 167.2 157.2 156.6 159.0 164.4 169.9 176.7 153.6 196.2 308.2 04
BCarbon ug/m3 10TH AVE MARIN < < < < < < < < < < < < < < < < < < < < < < < < <
ALPINE < < .52 .49 < 1.03 .95 < .81 .60 .37 .32 < .22 .17 .17 .17 .16 .16 .16 .16 .18 .14 .38 1.03 05
BOSTON AVE .92 .94 .84 .90 .66 .50 .46 .45 .41 .31 .30 .19 .14 .18 .18 .14 .14 .23 .19 .18 .17 .12 .17 .38 .94 01
CHICANO PARK .90 .79 .77 < .57 < .33 .37 .32 .30 .24 < .24 < .21 .25 .24 .15 .13 .15 .17 .15 .11 .34 .90 00
DOWNTOWN SE .88 < .78 .80 .58 .36 .32 .36 < .26 .21 .17 < < .19 .19 .18 .11 .10 .13 .17 .15 .10 .32 .88 00
OCEANVIEW BLV .82 .75 .78 .82 < .33 .34 < .32 .27 < .17 .16 .17 .21 .16 .17 .12 .15 < .16 .12 .11 .32 .82 00
OTAY MESA DVN 1.44 1.59 1.70 1.46 .60 .47 .62 .41 .34 .36 .30 .21 .22 .19 .18 .20 .17 < .20 .19 .19 .32 < .54 1.70 02
SAN YSIDRO 1.07 < < < .39 .27 .34 .36 .35 .25 .48 < .17 .19 .18 .18 .21 < < .30 < < .16 .33 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 50.0 47.4 48.2 46.8 47.4 48.1 47.1 44.5 37.8 33.4 29.2 30.4 26.6 44.3 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 51.1 53.3 50.5 44.4 45.2 43.6 35.1 36.4 35.4 35.9 33.5 36.6 34.8 52.1 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 48.1 51.1 49.8 46.0 49.3 49.6 46.3 41.9 38.9 43.1 40.8 40.4 44.9 54.3 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 48.5 46.3 50.3 51.5 54.6 45.3 51.1 42.6 41.1 48.3 41.7 40.0 40.6 54.8 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 51.2 50.8 50.7 47.5 48.1 49.2 46.4 41.0 35.1 32.3 34.2 33.9 32.1 53.0 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 52.4 48.2 45.5 44.4 45.4 42.8 39.7 41.7 37.7 41.6 44.4 40.1 42.3 56.0 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 58.9 57.5 52.2 69.1 71.1 68.0 49.3 41.4 39.3 35.4 35.8 40.7 42.1 60.1 104.3 01
PENDLETON 51.2 57.9 67.1 71.1 68.0 69.8 71.5 74.6 59.3 93.7 95.0 44.8 44.6 44.3 40.6 46.4 51.4 42.0 49.7 40.1 41.2 35.8 33.5 56.2 95.0 10
SAN YSIDRO 99.4 90.2 92.9 83.8 62.1 54.7 59.4 57.0 61.7 57.6 62.9 63.4 59.3 56.3 60.8 55.8 48.4 45.1 44.6 46.1 46.3 47.6 46.1 60.9 99.4 00
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 .00 .00 .00 .00 00