Current Date: 4/17/2026 8:09 AM
Daily Parameter Report
4/17/2026
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 .042 .043 C C .034 .038 .041 .045 .040 .045 07
CHULA VISTA .028 .033 C C .031 .020 .028 .040 .030 .040 07
DOWNTOWN SE .029 .033 C C .033 .024 .024 .036 .029 .036 07
EL CAJON LES .033 .033 C C C .025 .027 .030 .029 .033 00
KEARNY MESA .028 .030 C C .028 .020 .028 .041 .029 .041 07
OTAY MESA DVN .046 .045 C C .037 .043 .045 .049 .044 .049 07
PENDLETON .032 .030 C C .026 .022 .023 .027 .026 .032 00
03 NO2 PPB ALPINE 3.2 2.7 C C 3.3 3.2 3.1 2.7 3.0 3.3 04
CARMEL MT RCH 2.2 2.7 C C 4.7 9.7 6.0 4.5 4.9 9.7 05
CHULA VISTA 11.3 8.5 C C 9.1 16.3 8.9 6.1 10.0 16.3 05
DOWNTOWN SE 8.3 7.1 C C 6.9 13.3 13.9 6.9 9.4 13.9 06
EL CAJON LES 3.4 2.8 C C C 3.5 3.0 3.8 3.3 3.8 07
KEARNY MESA 4.3 4.6 C C 9.2 15.4 7.8 2.8 7.3 15.4 05
OTAY MESA DVN 2.8 2.7 C C 3.9 3.1 4.5 3.4 3.4 4.5 06
PENDLETON 5.2 5.6 C C 6.9 7.5 5.8 8.5 6.5 8.5 07
SAN YSIDRO 10.8 8.7 C C 15.7 26.0 34.9 29.5 20.9 34.9 06
06 CO PPM CARMEL MT RCH .2 .2 C C .2 .6 .3 .2 .3 .6 05
SAN YSIDRO .2 .2 C C .4 .5 .8 .6 .5 .8 06
07 H2S PPB IB CIVIC CTR 1.4 1.6 3.2 3.3 16.2 6.9 2.1 1.9 4.5 16.2 04
NESTOR - BES 1.6 1.9 4.2 3.9 10.6 18.9 2.4 2.0 5.6 18.9 05
SAN YSIDRO .8 1.7 1.0 3.3 2.7 2.0 2.5 2.0 2.0 3.3 03
10 INTMP °C ALPINE 26 26 26 26 26 26 25 25 26 26 00
CARMEL MT RCH 24 24 25 25 25 25 25 25 25 25 02
CHULA VISTA 25 25 25 25 24 25 25 25 25 25 00
DOWNTOWN SE 25 25 25 25 25 25 25 25 25 25 00
EL CAJON LES 26 26 26 26 26 26 26 26 26 26 00
KEARNY MESA 24 24 24 24 24 24 24 24 24 24 00
OTAY MESA DVN 27 27 27 27 27 26 26 27 27 27 00
PENDLETON 26 26 26 26 26 25 25 25 26 26 00
SAN YSIDRO 24 24 24 24 24 23 23 23 24 24 00
10 INTMP °C        IB CIVIC CTR 27 27 27 28 28 27 27 26 27 28 03
NESTOR - BES 26 26 26 25 25 25 26 25 26 26 00
11 PM2.5 µg/M3 ALPINE 8.4 8.3 7.9 6.1 6.4 6.8 6.7 7.1 7.2 8.4 00
CARMEL MT RCH 7.0 7.6 9.3 8.7 8.2 7.5 8.1 10.8 8.4 10.8 07
CHULA VISTA 9.5 8.2 7.4 7.2 8.2 12.9 11.5 8.2 9.1 12.9 05
DOWNTOWN SE 10.0 10.6 8.2 8.3 8.8 11.1 13.1 9.6 9.9 13.1 06
EL CAJON LES 9.9 8.9 10.7 9.1 7.0 7.4 8.0 8.9 8.7 10.7 02
KEARNY MESA 7.0 7.4 7.3 9.0 8.9 8.6 9.1 8.1 8.1 9.1 06
Current Date: 4/17/2026 8:09 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 7.3 7.6 7.1 8.8 14.6 8.7 6.5 9.3 8.7 14.6 04
PENDLETON 6.9 7.1 7.0 7.2 7.5 7.5 7.4 7.3 7.2 7.5 04
SAN YSIDRO 12.7 10.9 10.0 13.7 12.8 12.2 19.0 20.5 13.9 20.5 07
12 VWDR ° ALPINE 148 130 114 105 58 48 346 341 0 346 06
CHULA VISTA 112 102 112 104 105 108 95 118 0 118 07
DOWNTOWN SE 102 88 109 98 103 87 92 123 0 123 07
EL CAJON LES 143 129 130 113 113 111 71 66 0 143 00
KEARNY MESA 90 95 104 107 97 90 91 119 0 119 07
OTAY MESA DVN 153 128 132 102 117 116 111 147 0 153 00
PENDLETON 95 85 91 74 71 68 57 64 0 95 00
13 SIGTHETA ° ALPINE 53 63 15 22 43 42 28 36 38 63 01
CHULA VISTA 11 11 11 12 11 14 12 21 13 21 07
DOWNTOWN SE 15 14 14 14 15 16 21 28 17 28 07
EL CAJON LES 14 15 12 16 13 16 18 33 17 33 07
KEARNY MESA 8 7 6 7 10 9 16 24 11 24 07
OTAY MESA DVN 14 10 9 9 9 10 13 30 13 30 07
PENDLETON 8 6 7 7 7 8 8 12 8 12 07
14 VWSP MPH ALPINE 1.1 .4 3.7 1.8 1.2 1.6 1.6 2.4 .0 3.7 02
CHULA VISTA 3.9 5.4 5.0 4.5 4.0 3.7 6.0 4.9 .0 6.0 06
DOWNTOWN SE 3.3 4.3 4.9 4.4 3.8 3.1 3.2 3.4 .0 4.9 02
EL CAJON LES 3.0 3.6 3.9 3.6 4.0 3.3 3.2 2.4 .0 4.0 04
KEARNY MESA 2.3 5.4 5.1 5.5 3.7 3.7 3.2 5.3 .0 5.5 03
OTAY MESA DVN 5.9 5.8 7.3 6.5 7.0 7.3 5.5 4.6 .0 7.3 02
PENDLETON 5.5 5.7 5.4 5.9 5.8 6.6 7.2 7.2 .0 7.2 06
15 SWSP MPH ALPINE 1.5 1.7 3.8 2.1 1.5 2.1 2.2 2.9 2.2 3.8 02
CHULA VISTA 4.0 5.5 5.1 4.6 4.0 3.8 6.1 5.3 4.8 6.1 06
DOWNTOWN SE 3.5 4.4 5.1 4.5 4.0 3.2 3.5 3.8 4.0 5.1 02
EL CAJON LES 3.1 3.7 4.0 3.7 4.1 3.4 3.6 2.7 3.5 4.1 04
KEARNY MESA 2.4 5.5 5.2 5.6 3.8 3.8 3.5 5.7 4.4 5.7 07
OTAY MESA DVN 6.1 5.9 7.4 6.6 7.2 7.5 5.8 5.1 6.5 7.5 05
PENDLETON 5.5 5.7 5.4 6.0 5.8 6.7 7.3 7.4 6.2 7.4 07
16 AMBTEMP °F ALPINE 50.9 51.0 49.5 46.7 46.6 48.1 50.5 53.5 49.6 53.5 07
CARMEL MT RCH 57.2 56.7 55.8 54.8 54.2 54.2 56.3 60.3 56.2 60.3 07
CHULA VISTA 57.6 57.7 57.9 57.2 56.2 56.0 58.8 63.8 58.2 63.8 07
DOWNTOWN SE 58.2 58.1 58.3 57.5 56.8 56.5 58.5 62.8 58.3 62.8 07
EL CAJON LES 58.3 58.0 56.5 55.1 54.1 53.5 56.4 60.3 56.5 60.3 07
KEARNY MESA 56.2 57.0 56.0 55.1 54.4 54.7 58.8 62.6 56.9 62.6 07
OTAY MESA DVN 58.1 57.9 57.6 55.8 56.0 56.8 59.4 61.9 57.9 61.9 07
PENDLETON 59.9 59.0 58.3 57.3 56.7 56.3 57.9 61.0 58.3 61.0 07
Current Date: 4/17/2026 8:09 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 57.8 57.8 57.8 57.3 57.0 57.4 60.3 63.1 58.6 63.1 07
17 RELHUM % ALPINE 90 89 90 91 92 85 78 68 85 92 04
EL CAJON LES 81 79 78 80 82 82 71 63 77 82 04
KEARNY MESA 86 83 82 80 81 80 72 62 78 86 00
18 PRES mmHg EL CAJON LES 748 748 748 748 748 748 749 749 748 749 06
KEARNY MESA 748 748 748 748 748 749 749 750 749 750 07
19 SOLAR W/M2 EL CAJON LES 1 1 -2 -1 -1 27 192 413 79 413 07
KEARNY MESA 2 2 1 1 1 32 216 399 82 399 07
20 UVRAD W/M2 EL CAJON LES 0 0 0 0 0 2 9 21 4 21 07
25 NOY EL CAJON LES 4.04 3.15 2.60 2.99 2.54 C C 5.82 3.52 5.82 07
26 NOY-NO EL CAJON LES 4.01 3.13 2.59 2.95 2.49 C C 4.37 3.25 4.37 07
27 NO Trace EL CAJON LES .02 .02 .01 .03 .05 C C 1.45 .26 1.45 07
28 SO2 Tr PPB EL CAJON LES .0 .0 C C C .0 .0 .0 .0 .0 00
29 CO Tr PPB EL CAJON LES 182.9 172.6 C C C 201.1 192.8 219.0 193.6 219.0 07
BCarbon ug/m3 10TH AVE MARIN 1.02 < .62 < .94 1.18 < .94 .94 1.18 05
ALPINE < .12 .15 .17 .16 .22 .20 .28 .19 .28 07
BOSTON AVE .69 .82 .50 .67 .71 .97 1.21 .61 .77 1.21 06
CHICANO PARK .53 .77 .37 .60 .80 < .96 .50 .65 .96 06
DOWNTOWN SE .64 .74 .41 < .54 .71 .93 .54 .64 .93 06
OCEANVIEW BLV .51 .63 .39 .57 .48 .59 .66 < .55 .66 06
OTAY MESA DVN .31 .68 .33 < .99 .40 < .22 .49 .99 04
SAN YSIDRO 1.63 1.20 < .77 1.20 < 2.02 < 1.36 2.02 06
PM10 STD ALPINE 18.6 19.2 17.2 13.3 13.8 15.6 16.5 17.7 16.4 19.2 01
CARMEL MT RCH 17.6 18.9 21.3 20.2 19.2 17.5 19.3 23.4 19.6 23.4 07
CHULA VISTA 28.2 28.4 20.2 20.7 24.7 34.7 32.1 29.7 27.3 34.7 05
DOWNTOWN SE 26.2 28.2 22.0 20.9 22.7 30.7 38.0 31.3 27.5 38.0 06
EL CAJON LES 23.3 23.4 24.3 22.2 16.4 16.6 19.9 24.5 21.3 24.5 07
KEARNY MESA 18.4 20.1 17.6 21.8 20.7 20.5 22.9 22.7 20.5 22.9 06
OTAY MESA DVN 19.6 21.4 22.2 24.4 35.8 28.0 25.7 74.3 31.4 74.3 07
PENDLETON 16.7 16.0 15.6 16.6 16.3 17.9 17.7 18.7 16.9 18.7 07
SAN YSIDRO 31.0 26.3 26.0 33.5 33.2 38.1 68.8 79.3 42.0 79.3 07
RAINFALL EL CAJON LES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00