Date Printed: 7/11/2025 23:01 Daily Summary Report Site: Clemmons Middle 7/11/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .008 7.5 22.3 14.8 01:00 .007 8.2 25.8 17.6 02:00 .004 8.4 27.2 18.7 03:00 .007 8.1 21.0 12.9 04:00 .005 8.7 25.0 16.3 05:00 .002 8.0 25.1 17.0 06:00 .008 7.3 19.2 11.8 07:00 .014 7.7 16.9 9.2 08:00 .022 8.3 16.6 8.3 09:00 .029 8.5 16.1 7.6 10:00 .036 8.6 16.5 7.8 11:00 .042 8.3 14.6 6.2 12:00 .042 7.8 13.9 6.0 13:00 .042 5.7 10.8 5.0 14:00 .043 5.9 11.6 5.7 15:00 .042 6.4 12.4 6.0 16:00 .043 6.6 12.4 5.7 17:00 .045 7.1 13.0 5.9 18:00 .049 8.7 15.3 6.5 19:00 .043 9.1 15.6 6.4 20:00 .034 8.7 16.2 7.4 21:00 .024 8.6 15.6 6.9 22:00 23:00 Average .026 7.8 17.4 9.5 Max .049 9.1 27.2 18.7 Max Hour 18:00 19:00 02:00 02:00 Min .002 5.7 10.8 5.0 Count 22 22 22 22 Total Date Printed: 7/11/2025 23:01 Daily Summary Report Site: Hattie Avenue (A) 7/11/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .020 .0 3.2 3.2 .0 01:00 .016 .0 3.8 3.8 .0 02:00 .009 .1 4.1 4.2 .0 03:00 .006 .2 4.1 4.4 .0 04:00 .006 .2 5.0 5.2 .0 05:00 .005 .5 6.1 6.7 .0 06:00 .011 1.7 6.1 7.9 .1 07:00 .020 1.4 4.3 5.7 .1 08:00 .027 .9 3.3 4.2 .1 09:00 .037 .5 2.9 3.5 .1 10:00 .045 .2 2.3 2.5 .1 11:00 .047 .1 2.5 2.7 .1 12:00 .050 .1 2.4 2.5 .1 13:00 .053 .0 2.3 2.3 .0 14:00 .057 .0 2.3 2.4 .0 15:00 .055 .0 C 2.5 C 2.6 C .1 16:00 .055 C C C .1 17:00 .054 .3 C 3.4 C 3.8 C .2 18:00 .050 .0 3.7 3.7 .2 19:00 .041 .0 4.4 4.4 .3 C 20:00 .035 .0 5.5 5.5 C 21:00 .029 .0 7.7 7.8 .3 C 22:00 23:00 Average .033 .2 3.9 4.2 .0 Max .057 1.7 7.7 7.9 .3 Max Hour 14:00 06:00 21:00 06:00 21:00 Min .005 .0 2.3 2.3 .0 Count 22 21 21 21 21 Total Date Printed: 7/11/2025 23:01 Daily Summary Report Site: Hattie Avenue (B) 7/11/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 6.6 21.3 14.1 01:00 6.4 21.0 14.0 02:00 7.0 23.0 15.4 03:00 7.3 21.0 13.2 04:00 7.8 23.0 14.6 05:00 7.8 22.6 14.2 06:00 6.8 19.9 12.5 07:00 6.6 17.6 10.4 08:00 6.4 15.0 8.0 09:00 6.9 13.7 6.2 10:00 6.3 12.5 5.6 11:00 7.7 15.1 6.7 12:00 6.8 14.2 6.7 13:00 6.8 13.2 5.7 14:00 6.8 14.4 6.8 15:00 6.7 13.2 5.7 16:00 6.8 13.8 6.2 17:00 8.1 17.7 8.7 18:00 7.9 14.7 6.1 19:00 9.3 17.3 7.2 20:00 8.5 15.6 6.5 21:00 8.1 17.1 8.4 22:00 23:00 Average 7.2 17.1 9.2 Max 9.3 23.0 15.4 Max Hour 19:00 04:00 02:00 Min 6.3 12.5 5.6 Count 22 22 22 Total Date Printed: 7/11/2025 23:01 Daily Summary Report Site: Union Cross 7/11/2025 Interval: 001h Ozone Temperature Dew Point Wind Speed Wind Direction Relative Humidity Barometric Pres. Time ppm DegC DegC MPH DEG PERCENT mmHg 00:00 .010 21.8 21.5 1.3 206 98.1 736.4 01:00 .008 21.6 21.5 1.1 200 99.3 736.1 02:00 .007 21.5 21.5 1.0 200 99.7 735.5 03:00 .007 21.4 21.4 1.2 216 99.9 735.6 04:00 .004 21.3 21.3 1.4 207 100.0 735.8 05:00 .005 21.1 21.2 2.1 216 100.0 736.2 06:00 .009 21.5 21.5 2.7 206 99.8 736.8 07:00 .013 22.1 21.7 3.9 223 97.7 737.4 08:00 .021 23.3 21.9 3.0 241 92.9 737.8 09:00 .032 25.1 22.1 3.4 228 84.7 737.9 10:00 .042 26.9 22.3 3.3 248 77.0 738.0 11:00 .047 28.1 22.6 3.7 259 71.9 737.9 12:00 .049 28.7 22.4 3.7 263 68.3 737.4 13:00 .048 29.7 22.6 3.0 221 64.3 737.1 14:00 .049 30.6 22.9 3.5 212 61.2 736.7 15:00 .050 31.0 23.1 4.2 238 60.3 736.4 16:00 .051 30.2 23.3 5.3 206 65.0 736.2 17:00 .052 29.9 22.9 4.1 204 64.6 736.5 18:00 .044 28.4 23.1 3.7 202 72.8 736.6 19:00 .035 27.1 23.0 3.5 206 79.1 736.6 20:00 .029 25.9 22.9 1.9 210 84.6 737.5 21:00 .029 25.3 22.8 2.5 194 87.1 737.9 22:00 23:00 Average .029 25.5 22.3 2.7 220 83.1 736.8 Max .052 31.0 23.3 5.3 263 100.0 738.0 Max Hour 17:00 15:00 16:00 16:00 12:00 05:00 10:00 Min .004 21.1 21.2 1.0 194 60.3 735.5 Count 22 22 22 22 22 22 22 Total 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