Date Printed: 12/16/2025 14:01 Daily Summary Report Site: Clemmons Middle 12/16/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 7.3 14.7 7.4 01:00 B 8.8 15.7 6.9 02:00 B 8.0 13.9 5.9 03:00 B 7.6 13.1 5.5 04:00 B 7.5 13.0 5.4 05:00 B 8.6 14.7 6.1 06:00 B 8.4 15.2 6.8 07:00 B 9.5 20.0 10.5 08:00 B 11.4 27.9 16.4 09:00 B 8.5 21.9 13.3 10:00 B 8.5 18.2 9.7 11:00 B 7.8 16.8 8.9 12:00 B 6.9 14.7 7.8 13:00 B 6.9 12.4 5.5 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 8.2 16.5 8.2 Max B 11.4 27.9 16.4 Max Hour 08:00 08:00 08:00 Min B 6.9 12.4 5.4 Count 0 14 14 14 Total Date Printed: 12/16/2025 14:01 Daily Summary Report Site: Hattie Avenue (A) 12/16/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .6 13.6 14.2 .0 01:00 B .9 13.8 14.7 .1 02:00 B .6 13.8 14.5 .0 03:00 B .5 13.4 14.0 .0 04:00 B .7 14.2 14.9 .0 05:00 B 1.4 15.1 16.5 .0 06:00 B 4.9 23.2 28.1 .0 07:00 B B B B .1 08:00 B B B B .4 09:00 B B B B .2 10:00 B B B B .2 11:00 B B B B .2 12:00 B B B B .1 13:00 B B B B .1 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 1.3 15.3 16.7 .1 Max B 4.9 23.2 28.1 .4 Max Hour 06:00 06:00 06:00 08:00 Min B .5 13.4 14.0 .0 Count 0 7 7 7 14 Total Date Printed: 12/16/2025 14:01 Daily Summary Report Site: Hattie Avenue (B) 12/16/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 7.4 14.5 8.1 01:00 7.5 13.5 6.9 02:00 7.2 12.7 6.4 03:00 6.8 10.8 4.8 04:00 6.9 11.6 5.6 05:00 6.9 11.7 5.6 06:00 7.2 11.8 5.5 07:00 7.4 14.4 8.1 08:00 9.3 18.9 10.8 09:00 8.3 16.1 8.6 10:00 8.6 17.5 9.6 11:00 7.8 17.3 10.0 12:00 6.7 16.0 9.7 13:00 6.8 16.7 10.2 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 7.4 14.5 7.8 Max 9.3 18.9 10.8 Max Hour 08:00 08:00 08:00 Min 6.7 10.8 4.8 Count 14 14 14 Total Date Printed: 12/16/2025 14:01 Daily Summary Report Site: Union Cross 12/16/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 741.8 27.9 5.0 01:00 B 741.4 27.2 4.8 02:00 B 741.3 27.1 5.3 03:00 B 741.3 26.7 5.3 04:00 B 740.8 26.0 5.4 05:00 B 740.9 25.4 5.6 06:00 B 741.2 25.7 7.1 07:00 B 741.3 25.7 6.9 08:00 B 741.5 27.8 8.3 09:00 B 741.7 31.4 10.2 10:00 B 741.7 36.3 12.5 11:00 B 741.1 41.9 15.7 12:00 B 740.4 45.9 17.6 13:00 B 739.9 48.9 19.9 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 741.1 31.7 9.2 Max B 741.8 48.9 19.9 Max Hour 00:00 13:00 13:00 Min B 739.9 25.4 4.8 Count 0 14 14 14 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