Current Date: 4/26/2026 6:09 AM
Daily Parameter Report
4/26/2026
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 .045 C C .044 .044 .044 .044 .045 00
CHULA VISTA .045 C C .046 .045 .045 .045 .046 03
DOWNTOWN SE .044 C C .045 .045 .041 .043 .045 03
EL CAJON LES .033 C C C .037 .040 .036 .040 05
KEARNY MESA .032 C C .037 .039 .041 .037 .041 05
OTAY MESA DVN .042 C C .038 .035 .037 .038 .042 00
PENDLETON .047 C C .046 .046 .045 .046 .047 00
03 NO2 PPB ALPINE 1.8 C C 1.3 1.4 1.7 1.5 1.8 00
CARMEL MT RCH 4.4 C C 2.8 6.9 6.5 5.1 6.9 04
CHULA VISTA 1.4 C C 1.1 1.9 2.0 1.6 2.0 05
DOWNTOWN SE 2.3 C C 1.8 2.3 4.5 2.7 4.5 05
EL CAJON LES 2.4 C C C 1.3 1.6 1.7 2.4 00
KEARNY MESA 4.6 C C 2.7 2.3 2.3 2.9 4.6 00
OTAY MESA DVN 2.2 C C 2.4 3.7 3.1 2.8 3.7 04
PENDLETON .8 C C .6 .7 1.0 .7 1.0 05
SAN YSIDRO 2.4 C C 3.9 5.2 6.5 4.5 6.5 05
06 CO PPM CARMEL MT RCH .2 C C .2 .2 .3 .2 .3 05
SAN YSIDRO .2 C C .2 .2 .3 .2 .3 05
07 H2S PPB IB CIVIC CTR .5 .7 .6 .5 .5 .5 .5 .7 01
NESTOR - BES 2.4 9.4 5.0 .4 1.1 .3 3.1 9.4 01
SAN YSIDRO 2.6 4.3 4.7 5.4 6.2 11.7 5.8 11.7 05
10 INTMP °C ALPINE 26 26 26 26 25 25 26 26 00
CARMEL MT RCH 25 25 25 25 25 25 25 25 00
CHULA VISTA 25 25 25 24 25 24 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 00
KEARNY MESA 23 24 24 23 25 24 24 25 04
OTAY MESA DVN 27 28 28 29 29 28 28 29 03
PENDLETON 26 26 26 26 26 26 26 26 00
SAN YSIDRO 24 24 25 24 24 24 24 25 02
10 INTMP °C        IB CIVIC CTR 27 27 27 28 28 28 28 28 03
NESTOR - BES 26 26 26 27 27 26 26 27 03
11 PM2.5 µg/M3 ALPINE 4.4 3.2 3.0 3.1 3.5 3.3 3.4 4.4 00
CARMEL MT RCH 5.2 4.8 3.7 3.4 4.2 3.7 4.1 5.2 00
CHULA VISTA 3.9 3.1 3.0 3.7 3.6 3.4 3.4 3.9 00
DOWNTOWN SE 4.5 3.3 3.5 4.0 3.8 3.4 3.7 4.5 00
EL CAJON LES 5.2 3.7 3.5 3.3 3.7 3.3 3.7 5.2 00
KEARNY MESA 4.8 3.6 3.3 3.7 4.0 3.6 3.8 4.8 00
Current Date: 4/26/2026 6:09 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 4.4 4.0 4.9 3.5 4.1 3.9 4.1 4.9 02
PENDLETON 4.3 4.2 3.5 3.4 3.4 4.3 3.8 4.3 00
SAN YSIDRO 5.1 5.0 3.8 3.8 4.3 4.5 4.4 5.1 00
12 VWDR ° ALPINE 231 231 226 244 242 252 0 252 05
CHULA VISTA 265 245 251 269 257 278 0 278 05
DOWNTOWN SE 231 233 256 254 257 240 0 257 04
EL CAJON LES 179 201 169 238 201 220 0 238 03
KEARNY MESA 211 239 263 254 255 239 0 263 02
OTAY MESA DVN 237 227 194 231 233 256 0 256 05
PENDLETON 240 251 244 250 250 283 0 283 05
13 SIGTHETA ° ALPINE 29 24 26 34 32 30 29 34 03
CHULA VISTA 19 19 19 17 21 25 20 25 05
DOWNTOWN SE 25 23 23 22 21 22 23 25 00
EL CAJON LES 22 21 23 22 15 16 20 23 02
KEARNY MESA 28 11 9 8 9 11 13 28 00
OTAY MESA DVN 43 23 24 23 33 14 27 43 00
PENDLETON 10 12 9 7 8 26 12 26 05
14 VWSP MPH ALPINE 3.5 5.2 5.4 5.0 4.2 4.4 .0 5.4 02
CHULA VISTA 5.6 4.2 5.7 6.3 6.3 3.8 .0 6.3 03
DOWNTOWN SE 4.0 3.7 5.3 4.9 5.6 3.5 .0 5.6 04
EL CAJON LES 2.9 3.2 3.1 2.8 3.6 5.0 .0 5.0 05
KEARNY MESA 4.0 7.0 7.2 6.3 6.4 5.5 .0 7.2 02
OTAY MESA DVN 3.8 2.2 3.0 2.9 2.3 3.6 .0 3.8 00
PENDLETON 12.6 10.7 11.9 16.4 15.4 6.5 .0 16.4 03
15 SWSP MPH ALPINE 3.8 5.7 5.8 5.7 4.8 5.1 5.2 5.8 02
CHULA VISTA 6.0 4.5 6.0 6.7 6.9 4.2 5.7 6.9 04
DOWNTOWN SE 4.4 4.0 5.7 5.3 6.1 3.8 4.9 6.1 04
EL CAJON LES 3.6 3.6 3.5 3.0 3.7 5.2 3.8 5.2 05
KEARNY MESA 4.6 7.3 7.3 6.4 6.5 5.7 6.3 7.3 01
OTAY MESA DVN 4.3 2.8 3.7 3.2 2.6 4.1 3.5 4.3 00
PENDLETON 12.8 11.0 12.1 16.5 15.5 7.5 12.6 16.5 03
16 AMBTEMP °F ALPINE 49.9 49.4 49.2 49.3 49.2 49.0 49.3 49.9 00
CARMEL MT RCH 55.1 55.5 54.2 54.3 54.2 55.0 54.7 55.5 01
CHULA VISTA 58.1 58.3 59.1 59.3 59.0 58.0 58.6 59.3 03
DOWNTOWN SE 57.3 58.1 58.7 58.7 57.6 56.6 57.8 58.7 02
EL CAJON LES 56.1 55.3 54.8 55.9 55.9 55.5 55.6 56.1 00
KEARNY MESA 57.1 57.5 56.0 56.4 57.1 56.9 56.8 57.5 01
OTAY MESA DVN 56.0 54.8 55.6 55.2 55.4 55.2 55.4 56.0 00
PENDLETON 60.7 59.3 59.5 60.0 60.3 58.2 59.7 60.7 00
Current Date: 4/26/2026 6:09 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 58.2 57.9 57.5 57.5 57.6 57.6 57.7 58.2 00
17 RELHUM % ALPINE 100 100 100 100 100 100 100 100 00
EL CAJON LES 98 99 99 94 92 93 96 99 01
KEARNY MESA 92 89 90 89 85 84 88 92 00
18 PRES mmHg EL CAJON LES 747 747 747 747 747 747 747 747 00
KEARNY MESA 748 747 747 748 748 748 748 748 00
19 SOLAR W/M2 EL CAJON LES 2 2 1 1 2 27 6 27 05
KEARNY MESA 1 1 1 1 1 33 6 33 05
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 0 2 05
25 NOY EL CAJON LES 2.14 1.04 1.03 1.70 C C 1.47 2.14 00
26 NOY-NO EL CAJON LES 2.09 1.00 .99 1.55 C C 1.40 2.09 00
27 NO Trace EL CAJON LES .05 .03 .04 .14 C C .06 .14 03
28 SO2 Tr PPB EL CAJON LES .0 C C C .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 172.2 C C C 133.6 134.6 146.8 172.2 00
BCarbon ug/m3 10TH AVE MARIN < < .03 < < .04 .04 .04 05
ALPINE < < .02 < .02 .03 .02 .03 05
BOSTON AVE .04 .03 .03 .03 .05 .07 .04 .07 05
CHICANO PARK .06 .07 .07 .09 < .11 .08 .11 05
DOWNTOWN SE .09 .10 .04 .03 < < .07 .10 01
OCEANVIEW BLV .06 < .03 .04 .06 .08 .05 .08 05
OTAY MESA DVN < .07 .16 .06 .07 < .09 .16 02
SAN YSIDRO .05 < .04 .05 .06 .28 .10 .28 05
PM10 STD ALPINE 8.6 5.6 6.3 6.4 7.0 7.0 6.8 8.6 00
CARMEL MT RCH 12.2 12.2 9.6 9.1 11.6 9.9 10.7 12.2 00
CHULA VISTA 9.3 7.3 7.1 9.2 10.0 7.8 8.4 10.0 04
DOWNTOWN SE 10.4 8.1 8.1 9.0 8.5 7.7 8.6 10.4 00
EL CAJON LES 10.4 7.3 8.5 7.3 7.9 7.0 8.0 10.4 00
KEARNY MESA 11.1 9.2 8.2 9.1 10.0 8.8 9.4 11.1 00
OTAY MESA DVN 10.4 8.8 10.9 7.5 9.6 9.6 9.4 10.9 02
PENDLETON 11.3 12.8 8.9 9.4 9.8 12.0 10.7 12.8 01
SAN YSIDRO 14.1 16.3 12.0 10.2 12.3 13.2 13.0 16.3 01
RAINFALL EL CAJON LES .04 .00 .01 .00 .00 .00 .00 .04 00