Current Date: 5/1/2026 3:09 AM
Daily Parameter Report
5/1/2026
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 .031 .036 C .033 .036 01
CHULA VISTA .026 .026 C .026 .026 00
DOWNTOWN SE .031 .030 C .030 .031 00
EL CAJON LES .026 .025 C .025 .026 00
KEARNY MESA .023 C C .023 .023 00
OTAY MESA DVN .030 .030 C .030 .030 00
PENDLETON .026 .028 C .027 .028 01
03 NO2 PPB ALPINE 5.0 3.7 C 4.3 5.0 00
CARMEL MT RCH 8.9 4.8 C 6.8 8.9 00
CHULA VISTA 9.2 8.6 C 8.9 9.2 00
DOWNTOWN SE 7.9 8.1 C 8.0 8.1 01
EL CAJON LES 3.5 2.9 C 3.2 3.5 00
KEARNY MESA 7.6 C C 7.6 7.6 00
OTAY MESA DVN 5.2 5.1 C 5.1 5.2 00
PENDLETON 5.3 4.0 C 4.6 5.3 00
SAN YSIDRO 12.4 11.2 C 11.8 12.4 00
06 CO PPM CARMEL MT RCH .3 .2 C .3 .3 00
SAN YSIDRO .3 .3 C .3 .3 00
07 H2S PPB IB CIVIC CTR 4.3 2.9 1.5 2.9 4.3 00
NESTOR - BES 4.5 4.2 16.4 8.3 16.4 02
SAN YSIDRO 1.0 .9 .7 .8 1.0 00
10 INTMP °C ALPINE 26 26 26 26 26 00
CARMEL MT RCH 25 25 24 25 25 00
CHULA VISTA 25 25 25 25 25 00
DOWNTOWN SE 24 25 25 25 25 01
EL CAJON LES 26 26 26 26 26 00
KEARNY MESA 23 24 24 24 24 01
OTAY MESA DVN 26 26 27 26 27 02
PENDLETON 26 26 26 26 26 00
SAN YSIDRO 24 24 24 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 27 27 00
NESTOR - BES 27 27 26 27 27 00
11 PM2.5 µg/M3 ALPINE 13.3 14.4 10.1 12.6 14.4 01
CARMEL MT RCH 11.5 12.3 14.2 12.6 14.2 02
CHULA VISTA 12.0 12.1 12.1 12.0 12.1 01
DOWNTOWN SE 14.9 15.1 15.6 15.2 15.6 02
EL CAJON LES 11.6 11.7 11.8 11.7 11.8 02
KEARNY MESA 12.9 13.6 12.8 13.1 13.6 01
Current Date: 5/1/2026 3:09 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 22.2 19.4 19.9 20.5 22.2 00
PENDLETON 11.1 10.7 11.3 11.0 11.3 02
SAN YSIDRO 16.5 19.0 18.5 18.0 19.0 01
12 VWDR ° ALPINE 355 349 97 0 355 00
CHULA VISTA 107 71 103 0 107 00
DOWNTOWN SE 105 85 99 0 105 00
EL CAJON LES 211 100 111 0 211 00
KEARNY MESA 63 64 93 0 93 02
OTAY MESA DVN 34 26 51 0 51 02
PENDLETON 39 45 50 0 50 02
13 SIGTHETA ° ALPINE 29 36 55 40 55 02
CHULA VISTA 20 30 27 26 30 01
DOWNTOWN SE 28 16 18 21 28 00
EL CAJON LES 45 11 35 30 45 00
KEARNY MESA 7 4 13 8 13 02
OTAY MESA DVN 12 11 10 11 12 00
PENDLETON 13 11 11 12 13 00
14 VWSP MPH ALPINE 1.7 1.3 .5 .0 1.7 00
CHULA VISTA 1.3 1.0 1.8 .0 1.8 02
DOWNTOWN SE 1.6 2.4 2.4 .0 2.4 01
EL CAJON LES .9 2.1 1.6 .0 2.1 01
KEARNY MESA 2.8 3.6 2.9 .0 3.6 01
OTAY MESA DVN 2.1 2.6 1.6 .0 2.6 01
PENDLETON 3.7 4.7 4.0 .0 4.7 01
15 SWSP MPH ALPINE 1.9 1.9 1.0 1.6 1.9 00
CHULA VISTA 1.3 1.3 2.0 1.5 2.0 02
DOWNTOWN SE 1.8 2.5 2.5 2.3 2.5 01
EL CAJON LES 1.4 2.2 1.9 1.8 2.2 01
KEARNY MESA 2.8 3.6 3.0 3.1 3.6 01
OTAY MESA DVN 2.1 2.6 1.8 2.2 2.6 01
PENDLETON 3.9 4.8 4.2 4.3 4.8 01
16 AMBTEMP °F ALPINE 51.4 51.1 50.2 50.9 51.4 00
CARMEL MT RCH 56.8 57.7 58.1 57.5 58.1 02
CHULA VISTA 58.3 58.7 59.1 58.7 59.1 02
DOWNTOWN SE 59.9 59.5 59.4 59.6 59.9 00
EL CAJON LES 56.5 55.6 55.8 56.0 56.5 00
KEARNY MESA 55.8 56.0 56.3 56.0 56.3 02
OTAY MESA DVN 56.7 56.2 56.3 56.4 56.7 00
PENDLETON 60.7 60.0 60.5 60.4 60.7 00
Current Date: 5/1/2026 3:09 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 58.1 57.7 58.9 58.2 58.9 02
17 RELHUM % ALPINE 96 99 100 98 100 02
EL CAJON LES 88 90 88 89 90 01
KEARNY MESA 90 91 91 91 91 01
18 PRES mmHg EL CAJON LES 748 747 748 748 748 00
KEARNY MESA 749 748 748 748 749 00
19 SOLAR W/M2 EL CAJON LES -1 0 2 0 2 02
KEARNY MESA 2 2 1 2 2 00
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 00
25 NOY EL CAJON LES 3.79 3.31 2.82 3.30 3.79 00
26 NOY-NO EL CAJON LES 3.73 3.29 2.68 3.23 3.73 00
27 NO Trace EL CAJON LES .05 .01 .13 .06 .13 02
28 SO2 Tr PPB EL CAJON LES .0 .0 C .0 .0 00
29 CO Tr PPB EL CAJON LES 184.5 185.9 C 185.2 185.9 01
BCarbon ug/m3 10TH AVE MARIN .19 .38 .59 .39 .59 02
ALPINE .17 .20 .18 .18 .20 01
BOSTON AVE .47 .45 .40 .44 .47 00
CHICANO PARK < .40 .35 .38 .40 01
DOWNTOWN SE .35 .37 .32 .35 .37 01
OCEANVIEW BLV < < < < <
OTAY MESA DVN .58 .59 < .59 .59 01
SAN YSIDRO .75 < 1.14 .95 1.14 02
PM10 STD ALPINE 28.6 27.8 17.1 24.5 28.6 00
CARMEL MT RCH 23.8 26.5 29.8 26.7 29.8 02
CHULA VISTA 26.4 25.9 27.4 26.5 27.4 02
DOWNTOWN SE 32.1 31.9 34.0 32.6 34.0 02
EL CAJON LES 24.3 23.3 25.2 24.2 25.2 02
KEARNY MESA 26.7 29.5 27.0 27.7 29.5 01
OTAY MESA DVN 94.2 61.9 49.1 68.4 94.2 00
PENDLETON 23.8 23.7 22.8 23.4 23.8 00
SAN YSIDRO 34.9 39.9 39.3 38.0 39.9 01
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 00