Date Printed: 6/3/2025 01:30 Daily Summary Report Site: Clemmons Middle 6/2/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .022 15.3 21.7 6.3 01:00 .021 15.3 22.4 7.0 02:00 .013 15.7 22.1 6.4 03:00 .009 15.4 21.5 6.0 04:00 .006 15.0 21.0 5.9 05:00 .005 13.4 19.6 6.2 06:00 .006 11.9 17.9 5.9 07:00 .015 9.1 15.0 5.9 08:00 .039 5.4 11.1 5.7 09:00 .047 4.7 9.7 4.9 10:00 .051 4.5 10.2 5.7 11:00 .054 4.2 8.7 4.5 12:00 .057 4.1 10.5 6.3 13:00 .060 4.1 8.4 4.3 14:00 .063 4.3 9.3 4.9 15:00 .065 4.4 10.4 6.0 16:00 .064 4.2 10.5 6.3 17:00 .062 4.2 9.7 5.4 18:00 .058 4.1 9.0 4.8 19:00 .047 5.2 27.8 22.6 20:00 .039 5.4 22.0 16.5 21:00 .031 5.4 16.7 11.2 22:00 .028 C 5.4 11.0 5.5 23:00 C 6.2 11.6 5.4 Average .037 7.7 14.9 7.0 Max .065 15.7 27.8 22.6 Max Hour 15:00 02:00 19:00 19:00 Min .005 4.1 8.4 4.3 Count 23 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 02-Jun-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 02-Jun-2025 22:50:00 23:50:00 0.067 0.07 -3.34% Date Printed: 6/3/2025 01:30 Daily Summary Report Site: Hattie Avenue (A) 6/2/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .034 .0 2.7 2.7 .1 01:00 .029 .0 2.7 2.6 .1 02:00 .029 .0 2.9 2.8 .1 03:00 .031 .0 2.3 2.2 .1 04:00 .032 .0 2.1 2.0 .1 05:00 .028 .0 2.9 2.8 .1 06:00 .026 .4 4.3 4.8 .3 07:00 .028 1.1 4.4 5.5 .5 08:00 .041 .3 2.4 2.8 .5 09:00 .048 .1 1.7 1.9 .3 10:00 .051 .0 1.5 1.5 .4 11:00 .054 .0 1.7 1.8 .4 12:00 .057 .1 2.4 2.6 .6 13:00 .058 .3 3.6 4.0 .8 14:00 .061 .1 2.8 2.9 .6 15:00 .063 .0 C 2.7 C 2.8 C .5 16:00 .064 C C C .6 17:00 .064 .0 C 2.8 C 2.8 C .5 18:00 .059 .0 3.7 3.7 .3 19:00 .052 .0 5.8 5.7 .3 20:00 .037 .0 11.5 11.5 C 21:00 .032 .0 9.4 9.4 .2 C 22:00 .038 C .0 7.8 7.8 .2 23:00 C .0 5.4 5.3 .1 Average .044 .1 3.8 3.9 .3 Max .064 1.1 11.5 11.5 .8 Max Hour 17:00 07:00 20:00 20:00 13:00 Min .026 .0 1.5 1.5 .1 Count 23 23 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 02-Jun-2025 15:46:00 16:11:00 66.1 70 -5.47% GPT-PS 02-Jun-2025 15:46:00 16:18:00 0.4 0.0 .43 GPTZ 02-Jun-2025 15:46:00 16:38:00 213.8 225 -4.93% GPT-PREC 02-Jun-2025 15:46:00 17:08:00 148.5 155 -4.15% NO2 GPT-PREC 02-Jun-2025 15:46:00 17:08:00 65.4 70 -6.44% NO2 Precision NO2_Diff PRECDIFF 02-Jun-2025 17:15:00 17:15:05 65.3 65.496 -.24% NOx NOx_Auto NO-PREC 02-Jun-2025 15:46:00 16:11:00 66.4 70 -5.13% Ozone O3_Auto ZERO 02-Jun-2025 22:50:00 23:20:00 -0.002 0.0 0.00 PREC 02-Jun-2025 22:50:00 23:50:00 0.068 0.07 -3.3% SO2 SO2_Auto ZERO 02-Jun-2025 20:00:00 20:20:00 0 0.0 .1 SPAN 02-Jun-2025 20:00:00 20:40:00 86.3 89.6 -3.59% PREC 02-Jun-2025 20:00:00 21:00:00 38.1 40 -4.62% Date Printed: 6/3/2025 01:30 Daily Summary Report Site: Hattie Avenue (B) 6/2/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 11.4 15.2 3.7 01:00 10.0 14.2 4.1 02:00 8.9 12.6 3.7 03:00 7.0 10.3 3.3 04:00 5.7 8.3 2.7 05:00 5.4 8.2 2.9 06:00 5.9 8.6 2.6 07:00 5.2 7.9 2.6 08:00 4.4 6.7 2.2 09:00 3.9 6.8 2.7 10:00 3.7 6.0 2.1 11:00 3.6 6.4 2.6 12:00 3.7 5.8 1.9 13:00 3.6 5.6 1.8 14:00 3.6 6.1 2.3 15:00 3.5 5.5 1.8 16:00 3.6 6.1 2.3 17:00 3.5 6.0 2.2 18:00 3.9 7.1 3.0 19:00 4.6 7.7 2.9 20:00 6.2 10.1 3.7 21:00 5.5 8.3 2.7 22:00 5.6 8.3 2.7 23:00 5.2 8.4 3.1 Average 5.3 8.1 2.7 Max 11.4 15.2 4.1 Max Hour 00:00 00:00 01:00 Min 3.5 5.5 1.8 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -4.62% Date Printed: 6/3/2025 01:30 Daily Summary Report Site: Union Cross 6/2/2025 Interval: 001h Ozone Temperature Dew Point Wind Speed Wind Direction Relative Humidity Barometric Pres. Time ppm DegC DegC MPH DEG PERCENT mmHg 00:00 .027 16.9 10.7 1.9 59 68.4 734.7 01:00 .025 15.8 8.7 2.4 57 64.2 734.8 02:00 .033 15.8 6.4 2.7 52 52.6 735.2 03:00 .030 14.9 6.1 2.5 57 55.4 735.4 04:00 .030 14.1 5.4 3.6 45 56.2 735.9 05:00 .026 13.8 5.5 2.6 44 58.2 736.5 06:00 .016 14.4 7.2 1.5 61 63.9 737.1 07:00 .027 16.4 8.0 4.4 69 57.8 737.6 08:00 .042 17.9 7.5 7.3 76 47.7 737.9 09:00 .047 B 19.0 8.0 6.2 62 44.9 738.3 10:00 .051 19.9 8.1 6.1 72 40.6 738.3 11:00 .052 20.6 8.7 5.0 81 40.1 738.3 12:00 .053 21.3 8.6 4.4 163 36.2 738.0 13:00 .054 22.0 9.0 4.3 144 34.6 737.9 14:00 .055 23.1 9.9 2.8 223 34.1 737.9 15:00 .057 23.7 10.5 2.5 181 33.7 737.5 16:00 .059 23.8 10.3 2.4 110 32.5 737.5 17:00 .057 23.7 10.9 2.6 186 35.4 737.4 18:00 .052 23.2 10.6 1.8 205 36.4 737.5 19:00 .044 20.7 10.1 .9 182 46.5 737.7 20:00 .037 18.5 9.3 .9 159 53.6 738.0 21:00 .035 17.9 9.4 1.1 177 57.1 738.6 22:00 .036 C 17.7 9.1 1.7 182 56.9 738.9 23:00 C 16.9 9.2 1.4 200 60.9 738.9 Average .041 18.8 8.6 1.8 94 48.6 737.3 Max .059 23.8 10.9 7.3 223 68.4 738.9 Max Hour 16:00 16:00 17:00 08:00 14:00 00:00 23:00 Min .016 13.8 5.4 .9 44 32.5 734.7 Count 23 24 24 24 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 02-Jun-2025 22:50:00 23:20:00 -0.0012 0.0 0.00 PREC 02-Jun-2025 22:50:00 23:50:00 0.0686 0.068 .34% Flags T Out of Control A Arithmetic Error (math calculation error) t Out of Control (Partial) S Site Visit s Site Activity > Some Data Missing + Max Exceeded - Min Exceeded < Logger Invalid ? Suspect a Audit B Bad Status C Calibration c Ceiling Limit D Channel Disabled E Edited e Site Malfunction f Floor Limit H High-High Alarm h High Alarm I Invalidated By Edit J High Rate of Change Exceeded L Low-Low Alarm l Low Alarm M Maintenance m Marked Maint by edit O Overrange o Other P Power Failure p Precision Check Q Quality Assured R Rate of Change Exceeded V Dig Info#1 W Dig Info#2 X Dig Info#3 Y Dig Info#4 Z Dig Info#5 z Zero Adjusted F Boiler Offline j Low Rate of Change Exceeded