Date Printed: 1/1/2026 08:01 Daily Summary Report Site: Clemmons Middle 1/1/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 6.5 11.9 5.3 01:00 B 6.4 11.8 5.4 02:00 B 6.6 13.1 6.4 03:00 B 6.8 12.6 5.8 04:00 B 6.1 12.2 6.0 05:00 B 5.7 10.7 5.0 06:00 B 5.6 10.7 5.0 07:00 B 5.2 10.3 5.0 08:00 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 6.1 11.6 5.4 Max B 6.8 13.1 6.4 Max Hour 03:00 02:00 02:00 Min B 5.2 10.3 5.0 Count 0 8 8 8 Total Date Printed: 1/1/2026 08:01 Daily Summary Report Site: Hattie Avenue (A) 1/1/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 5.7 5.9 .0 01:00 B .2 7.1 7.4 .0 02:00 B .2 6.2 6.5 .0 03:00 B .3 7.0 7.3 .0 04:00 B .2 5.3 5.5 .0 05:00 B .1 4.7 4.8 .0 06:00 B .1 4.5 4.6 .0 07:00 B .2 4.4 4.6 .0 08:00 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 .1 5.6 5.8 .0 Max B .3 7.1 7.4 .0 Max Hour 03:00 01:00 01:00 07:00 Min B .1 4.4 4.6 .0 Count 0 8 8 8 8 Total Date Printed: 1/1/2026 08:01 Daily Summary Report Site: Hattie Avenue (B) 1/1/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 5.6 11.2 5.9 01:00 6.1 11.6 5.9 02:00 6.1 10.7 4.9 03:00 5.9 10.2 4.6 04:00 5.5 11.3 6.1 05:00 5.1 10.7 6.0 06:00 5.1 9.5 4.7 07:00 5.1 10.8 6.0 08:00 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 5.5 10.7 5.5 Max 6.1 11.6 6.1 Max Hour 02:00 01:00 04:00 Min 5.1 9.5 4.6 Count 8 8 8 Total Date Printed: 1/1/2026 08:01 Daily Summary Report Site: Union Cross 1/1/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 731.2 37.2 20.3 01:00 B 731.0 36.2 19.5 02:00 B 731.1 35.7 19.1 03:00 B 730.8 35.6 19.2 04:00 B 730.6 35.4 19.5 05:00 B 730.8 35.9 20.2 06:00 B 731.5 34.4 20.0 07:00 B 731.9 34.7 20.5 08:00 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 731.1 35.6 19.7 Max B 731.9 37.2 20.5 Max Hour 07:00 00:00 07:00 Min B 730.6 34.4 19.1 Count 0 8 8 8 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