Date Printed: 1/31/2026 08:01 Daily Summary Report Site: Clemmons Middle 1/31/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 7.2 12.0 4.7 01:00 B 7.4 11.6 4.2 02:00 B 6.4 9.6 3.1 03:00 B 5.8 10.0 4.2 04:00 B 5.6 10.1 4.5 05:00 B 5.8 11.6 5.7 06:00 B 7.2 17.3 10.0 07:00 B 8.5 19.8 11.3 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 6.7 12.7 5.9 Max B 8.5 19.8 11.3 Max Hour 07:00 07:00 07:00 Min B 5.6 9.6 3.1 Count 0 8 8 8 Total Date Printed: 1/31/2026 08:01 Daily Summary Report Site: Hattie Avenue (A) 1/31/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .3 4.8 5.2 .8 01:00 B .3 4.5 4.9 .5 02:00 B .4 4.0 4.4 .1 03:00 B .2 3.3 3.6 .1 04:00 B .3 3.3 3.6 .1 05:00 B .3 4.1 4.4 .1 06:00 B .3 3.5 3.9 .1 07:00 B .3 2.2 2.6 .1 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 .3 3.7 4.0 .2 Max B .4 4.8 5.2 .8 Max Hour 02:00 00:00 00:00 00:00 Min B .2 2.2 2.6 .1 Count 0 8 8 8 8 Total Date Printed: 1/31/2026 08:01 Daily Summary Report Site: Hattie Avenue (B) 1/31/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 7.2 12.1 5.8 01:00 6.7 10.0 3.9 02:00 6.4 9.5 3.8 03:00 5.7 9.4 4.4 04:00 5.5 10.8 6.0 05:00 6.8 14.7 9.0 06:00 7.9 22.6 16.4 07:00 9.3 28.1 21.2 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 6.9 14.6 8.8 Max 9.3 28.1 21.2 Max Hour 07:00 07:00 07:00 Min 5.5 9.4 3.8 Count 8 8 8 Total Date Printed: 1/31/2026 08:01 Daily Summary Report Site: Union Cross 1/31/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 738.0 24.9 18.8 01:00 B 737.5 24.4 19.4 02:00 B 737.4 24.0 18.4 03:00 B 737.0 23.5 17.7 04:00 B 736.8 22.5 18.6 05:00 B 736.6 21.3 17.2 06:00 B 736.7 20.2 16.2 07:00 B 736.7 18.5 16.5 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 737.0 22.4 17.8 Max B 738.0 24.9 19.4 Max Hour 00:00 00:00 01:00 Min B 736.6 18.5 16.2 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