Date Printed: 12/29/2025 09:01 Daily Summary Report Site: Clemmons Middle 12/29/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 9.5 15.7 6.2 01:00 B 11.6 20.4 8.7 02:00 B 12.1 19.5 7.4 03:00 B 12.3 18.7 6.3 04:00 B 10.1 15.0 4.8 05:00 B 8.2 12.7 4.5 06:00 B 6.5 10.3 3.8 07:00 B 6.5 10.0 3.5 08:00 B 3.7 6.3 2.6 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 8.9 14.2 5.3 Max B 12.3 20.4 8.7 Max Hour 03:00 01:00 01:00 Min B 3.7 6.3 2.6 Count 0 9 9 9 Total Date Printed: 12/29/2025 09:01 Daily Summary Report Site: Hattie Avenue (A) 12/29/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .5 5.3 5.8 .0 01:00 B .5 5.7 6.2 .0 02:00 B .4 5.8 6.3 .0 03:00 B .4 4.8 5.2 .0 04:00 B .3 3.0 3.4 .0 05:00 B .2 2.1 2.3 .0 06:00 B .4 3.0 3.5 .0 07:00 B .4 3.0 3.4 .0 08:00 B .5 4.0 4.6 .0 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .4 4.0 4.5 .0 Max B .5 5.8 6.3 .0 Max Hour 08:00 02:00 02:00 08:00 Min B .2 2.1 2.3 .0 Count 0 9 9 9 9 Total Date Printed: 12/29/2025 09:01 Daily Summary Report Site: Hattie Avenue (B) 12/29/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 8.2 12.9 4.9 01:00 8.7 13.0 4.5 02:00 8.2 12.0 4.0 03:00 9.8 13.8 4.2 04:00 9.7 13.9 4.3 05:00 8.7 13.4 4.7 06:00 7.1 11.1 3.9 07:00 6.3 10.1 3.7 08:00 4.3 7.9 3.6 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 7.8 12.0 4.2 Max 9.8 13.9 4.9 Max Hour 03:00 04:00 00:00 Min 4.3 7.9 3.6 Count 9 9 9 Total Date Printed: 12/29/2025 09:01 Daily Summary Report Site: Union Cross 12/29/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 732.3 44.8 44.8 01:00 B 731.8 45.2 45.2 02:00 B 731.0 46.1 46.2 03:00 B 729.8 48.7 48.7 04:00 B 728.9 52.5 52.5 05:00 B 728.0 54.3 54.3 06:00 B 727.2 56.4 56.4 07:00 B 727.3 57.6 57.4 08:00 B 727.7 55.7 54.7 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 729.3 51.2 51.1 Max B 732.3 57.6 57.4 Max Hour 00:00 07:00 07:00 Min B 727.2 44.8 44.8 Count 0 9 9 9 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