Date Printed: 1/7/2026 09:01 Daily Summary Report Site: Clemmons Middle 1/7/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 9.4 14.1 4.6 01:00 B 9.1 14.1 4.9 02:00 B 9.6 13.8 4.2 03:00 B 9.2 12.9 3.7 04:00 B 7.2 9.6 2.4 05:00 B 5.9 7.7 1.7 06:00 B 5.1 6.5 1.4 07:00 B 5.5 7.4 1.9 08:00 B 5.4 7.4 2.0 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 7.3 10.3 2.9 Max B 9.6 14.1 4.9 Max Hour 02:00 01:00 01:00 Min B 5.1 6.5 1.4 Count 0 9 9 9 Total Date Printed: 1/7/2026 09:01 Daily Summary Report Site: Hattie Avenue (A) 1/7/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 4.0 4.2 B 01:00 B .1 4.5 4.7 B 02:00 B .1 4.4 4.6 B 03:00 B .2 4.9 5.1 B 04:00 B .3 6.2 6.6 B 05:00 B .6 6.1 6.7 B 06:00 B .8 8.2 9.0 B 07:00 B B B B B 08:00 B B B B B 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 .3 5.4 5.8 Max B .8 8.2 9.0 B Max Hour 06:00 06:00 06:00 Min B .1 4.0 4.2 B Count 0 7 7 7 0 Total Date Printed: 1/7/2026 09:01 Daily Summary Report Site: Hattie Avenue (B) 1/7/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 9.5 15.1 5.7 01:00 9.3 13.9 4.6 02:00 9.5 13.7 4.3 03:00 9.9 14.1 4.3 04:00 10.4 13.3 3.1 05:00 9.9 13.5 3.8 06:00 8.3 10.3 2.1 07:00 6.7 8.0 1.4 08:00 7.3 9.2 2.0 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 8.9 12.3 3.4 Max 10.4 15.1 5.7 Max Hour 04:00 00:00 00:00 Min 6.7 8.0 1.4 Count 9 9 9 Total Date Printed: 1/7/2026 09:01 Daily Summary Report Site: Union Cross 1/7/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 731.3 53.3 49.9 01:00 B 731.7 52.4 50.1 02:00 B 732.2 51.3 50.1 03:00 B 732.4 50.4 50.1 04:00 B 732.4 49.6 49.6 05:00 B 732.5 48.9 48.9 06:00 B 732.8 47.7 47.7 07:00 B 733.3 46.3 46.3 08:00 B 733.8 46.8 46.8 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 732.4 49.6 48.8 Max B 733.8 53.3 50.1 Max Hour 08:00 00:00 03:00 Min B 731.3 46.3 46.3 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