Date Printed: 12/15/2025 17:01 Daily Summary Report Site: Clemmons Middle 12/15/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 3.0 5.0 2.0 01:00 B 3.2 4.7 1.4 02:00 B 2.6 3.3 .7 03:00 B 2.7 4.3 1.5 04:00 B 2.9 4.4 1.4 05:00 B 2.8 5.0 2.1 06:00 B 3.8 7.0 3.2 07:00 B 6.0 62.7 56.7 08:00 B 4.1 12.3 8.2 09:00 B 3.7 7.2 3.5 10:00 B 3.4 5.5 2.1 11:00 B 3.7 6.7 2.9 12:00 B 3.4 5.9 2.5 13:00 B 3.5 6.3 2.8 14:00 B 5.3 8.9 3.6 15:00 B 5.5 10.9 5.3 16:00 B 4.9 8.4 3.5 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 3.7 9.9 6.0 Max B 6.0 62.7 56.7 Max Hour 07:00 07:00 07:00 Min B 2.6 3.3 .7 Count 0 17 17 17 Total Date Printed: 12/15/2025 17:01 Daily Summary Report Site: Hattie Avenue (A) 12/15/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .3 5.2 5.5 -.1 01:00 B .2 3.2 3.5 -.1 02:00 B .1 3.2 3.4 -.1 03:00 B .1 2.8 2.9 -.1 04:00 B .2 3.8 4.0 -.1 05:00 B .2 6.9 7.2 -.1 06:00 B .5 12.4 13.0 -.1 07:00 B 1.2 16.6 17.9 -.1 08:00 B 3.3 12.0 15.4 -.1 09:00 B 3.1 6.8 10.0 .0 10:00 B 3.9 6.5 10.4 .1 11:00 B 4.2 6.9 11.2 .3 12:00 B 4.1 6.9 11.0 .2 13:00 B 2.3 4.6 7.0 .1 14:00 B 1.0 3.0 4.0 .0 15:00 B .6 C 2.9 C 3.6 C .0 16:00 B C C C .0 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 1.5 6.4 8.1 .0 Max B 4.2 16.6 17.9 .3 Max Hour 11:00 07:00 07:00 11:00 Min B .1 2.8 2.9 -.1 Count 0 16 16 16 17 Total Date Printed: 12/15/2025 17:01 Daily Summary Report Site: Hattie Avenue (B) 12/15/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 3.1 5.2 2.7 01:00 2.7 4.7 2.4 02:00 2.7 4.3 2.0 03:00 2.7 3.8 1.5 04:00 2.9 5.0 2.6 05:00 3.6 6.2 3.2 06:00 3.5 6.8 4.0 07:00 4.0 7.7 4.5 08:00 4.5 9.0 5.3 09:00 4.1 7.5 4.0 10:00 4.1 7.9 4.4 11:00 4.1 8.4 4.9 12:00 4.1 7.9 4.3 13:00 4.1 7.1 3.3 14:00 4.0 7.2 3.5 15:00 4.1 7.0 3.2 16:00 3.8 7.2 3.7 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 3.6 6.6 3.5 Max 4.5 9.0 5.3 Max Hour 08:00 08:00 08:00 Min 2.7 3.8 1.5 Count 17 17 17 Total Date Printed: 12/15/2025 17:01 Daily Summary Report Site: Union Cross 12/15/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 746.9 13.8 -4.7 01:00 B 746.7 13.5 -4.5 02:00 B 746.7 13.3 -3.4 03:00 B 746.4 14.4 -4.1 04:00 B 746.2 14.0 -3.7 05:00 B 746.4 13.2 -3.2 06:00 B 746.6 12.9 -2.2 07:00 B 747.1 12.3 -1.1 08:00 B 747.7 14.5 -.5 09:00 B 748.0 18.9 .9 10:00 B 748.0 23.1 1.6 11:00 B 747.3 27.3 3.2 12:00 B 746.2 30.6 4.8 13:00 B 745.1 32.6 5.9 14:00 B 744.4 33.7 6.4 15:00 B 743.8 34.5 7.0 16:00 B 743.5 33.9 6.6 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 746.2 20.9 .5 Max B 748.0 34.5 7.0 Max Hour 10:00 15:00 15:00 Min B 743.5 12.3 -4.7 Count 0 17 17 17 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