Current Date: 4/21/2026 4:09 AM
Daily Parameter Report
4/21/2026
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 .033 .034 C C .033 .034 01
CHULA VISTA .014 .022 C C .018 .022 01
DOWNTOWN SE .025 .030 C C .027 .030 01
EL CAJON LES .029 .025 .022 .022 .024 .029 00
KEARNY MESA .020 .017 C C .018 .020 00
OTAY MESA DVN .032 .032 C C .032 .032 00
PENDLETON .027 .025 C C .026 .027 00
03 NO2 PPB ALPINE 3.9 3.7 C C 3.8 3.9 00
CARMEL MT RCH 12.8 10.9 C C 11.8 12.8 00
CHULA VISTA 16.5 11.2 C C 13.8 16.5 00
DOWNTOWN SE 9.8 7.2 C C 8.5 9.8 00
EL CAJON LES 3.9 2.8 3.9 2.1 3.1 3.9 00
KEARNY MESA 7.2 8.2 C C 7.7 8.2 01
OTAY MESA DVN 4.2 4.5 C C 4.3 4.5 01
PENDLETON 5.9 4.7 C C 5.3 5.9 00
SAN YSIDRO 25.8 25.3 C C 25.5 25.8 00
06 CO PPM CARMEL MT RCH .3 .2 C C .3 .3 00
SAN YSIDRO .4 .5 C C .5 .5 01
07 H2S PPB IB CIVIC CTR 30.4 26.3 6.3 1.9 16.2 30.4 00
NESTOR - BES 106.0 123.6 17.4 33.4 70.1 123.6 01
SAN YSIDRO 1.1 2.9 3.5 1.6 2.2 3.5 02
10 INTMP °C ALPINE 26 26 26 26 26 26 00
CARMEL MT RCH 25 25 25 25 25 25 00
CHULA VISTA 25 25 25 25 25 25 00
DOWNTOWN SE 24 25 25 25 25 25 01
EL CAJON LES 26 26 26 26 26 26 00
KEARNY MESA 24 24 24 24 24 24 00
OTAY MESA DVN 28 28 28 28 28 28 00
PENDLETON 26 26 26 26 26 26 00
SAN YSIDRO 24 24 24 24 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 27 00
NESTOR - BES 26 26 26 26 26 26 00
11 PM2.5 µg/M3 ALPINE 7.1 7.4 6.6 7.0 7.0 7.4 01
CARMEL MT RCH 4.8 4.8 4.9 5.3 4.9 5.3 03
CHULA VISTA 5.2 5.7 5.8 5.5 5.5 5.8 02
DOWNTOWN SE 6.2 7.0 6.6 6.2 6.5 7.0 01
EL CAJON LES 7.9 6.3 6.4 6.4 6.7 7.9 00
KEARNY MESA 5.8 5.8 5.7 5.1 5.6 5.8 00
Current Date: 4/21/2026 4:09 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 8.7 9.4 13.4 13.9 11.3 13.9 03
PENDLETON 4.4 4.3 4.7 5.1 4.6 5.1 03
SAN YSIDRO 5.4 6.1 6.2 6.8 6.1 6.8 03
12 VWDR ° ALPINE 353 27 59 64 0 353 00
CHULA VISTA 70 60 43 57 0 70 00
DOWNTOWN SE 335 355 6 19 0 355 01
EL CAJON LES 293 15 209 99 0 293 00
KEARNY MESA 354 36 37 65 0 354 00
OTAY MESA DVN 91 49 14 24 0 91 00
PENDLETON 44 55 59 53 0 59 02
13 SIGTHETA ° ALPINE 57 39 32 38 42 57 00
CHULA VISTA 53 23 26 33 34 53 00
DOWNTOWN SE 10 15 50 51 32 51 03
EL CAJON LES 16 32 33 17 25 33 02
KEARNY MESA 17 13 15 16 15 17 00
OTAY MESA DVN 6 22 14 11 13 22 01
PENDLETON 10 8 9 9 9 10 00
14 VWSP MPH ALPINE 1.3 1.0 .8 1.0 .0 1.3 00
CHULA VISTA .3 1.3 1.3 1.4 .0 1.4 03
DOWNTOWN SE 2.4 2.0 .8 .5 .0 2.4 00
EL CAJON LES 1.3 .5 .3 2.3 .0 2.3 03
KEARNY MESA 1.9 3.0 2.2 1.7 .0 3.0 01
OTAY MESA DVN 3.2 1.8 3.1 4.1 .0 4.1 03
PENDLETON 4.2 4.5 5.2 5.5 .0 5.5 03
15 SWSP MPH ALPINE 1.9 1.4 1.2 1.3 1.5 1.9 00
CHULA VISTA .6 1.4 1.5 1.6 1.3 1.6 03
DOWNTOWN SE 2.5 2.1 1.0 1.1 1.7 2.5 00
EL CAJON LES 1.8 1.6 .9 2.4 1.7 2.4 03
KEARNY MESA 2.3 3.1 2.3 1.8 2.4 3.1 01
OTAY MESA DVN 3.3 2.1 3.2 4.2 3.2 4.2 03
PENDLETON 4.3 4.6 5.3 5.6 5.0 5.6 03
16 AMBTEMP °F ALPINE 52.0 51.7 51.2 50.2 51.3 52.0 00
CARMEL MT RCH 56.7 55.8 55.7 55.8 56.0 56.7 00
CHULA VISTA 58.9 58.5 57.8 57.9 58.3 58.9 00
DOWNTOWN SE 59.4 59.0 58.3 58.2 58.7 59.4 00
EL CAJON LES 58.8 56.8 56.3 56.6 57.1 58.8 00
KEARNY MESA 54.8 54.3 54.0 53.0 54.0 54.8 00
OTAY MESA DVN 57.1 57.1 56.2 56.2 56.7 57.1 00
PENDLETON 59.0 58.2 57.4 55.8 57.6 59.0 00
Current Date: 4/21/2026 4:09 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 58.9 58.1 57.4 56.6 57.8 58.9 00
17 RELHUM % ALPINE 94 96 96 97 96 97 03
EL CAJON LES 85 89 91 86 88 91 02
KEARNY MESA 91 91 91 93 92 93 03
18 PRES mmHg EL CAJON LES 750 750 750 750 750 750 00
KEARNY MESA 751 750 750 750 750 751 00
19 SOLAR W/M2 EL CAJON LES -2 -1 1 2 0 2 03
KEARNY MESA 1 1 1 1 1 1 00
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 0 00
25 NOY EL CAJON LES 4.31 C C 2.46 3.38 4.31 00
26 NOY-NO EL CAJON LES 4.23 C C 2.44 3.33 4.23 00
27 NO Trace EL CAJON LES .07 C C .01 .04 .07 00
28 SO2 Tr PPB EL CAJON LES .0 .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 215.3 184.7 195.3 176.8 193.0 215.3 00
BCarbon ug/m3 10TH AVE MARIN .12 < .24 .30 .22 .30 03
ALPINE < .15 .13 .16 .15 .16 03
BOSTON AVE .34 .26 .46 .53 .40 .53 03
CHICANO PARK .21 .20 < < .21 .21 00
DOWNTOWN SE .20 .21 .19 .20 .20 .21 01
OCEANVIEW BLV .32 .19 .26 .26 .26 .32 00
OTAY MESA DVN .44 .73 .89 1.38 .86 1.38 03
SAN YSIDRO .34 < < .52 .43 .52 03
PM10 STD ALPINE 20.1 20.2 18.9 20.3 19.8 20.3 03
CARMEL MT RCH 13.0 13.9 12.8 14.7 13.6 14.7 03
CHULA VISTA 16.1 17.7 18.0 16.9 17.1 18.0 02
DOWNTOWN SE 19.5 21.0 19.3 19.3 19.7 21.0 01
EL CAJON LES 21.2 18.0 17.4 17.7 18.5 21.2 00
KEARNY MESA 18.9 16.6 14.4 15.0 16.2 18.9 00
OTAY MESA DVN 46.9 31.9 58.0 39.5 44.0 58.0 02
PENDLETON 13.6 11.3 11.3 11.9 12.0 13.6 00
SAN YSIDRO 20.0 22.2 22.3 25.5 22.5 25.5 03
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 00