Date Printed: 1/10/2026 15:01 Daily Summary Report Site: Clemmons Middle 1/10/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 17.5 24.3 6.7 01:00 B 13.7 18.5 4.7 02:00 B 12.6 16.9 4.2 03:00 B 12.6 16.7 4.0 04:00 B 12.2 17.1 4.9 05:00 B 11.2 16.0 4.7 06:00 B 8.6 11.9 3.3 07:00 B 7.4 11.3 3.9 08:00 B 8.7 12.9 4.2 09:00 B 12.7 20.2 7.5 10:00 B 10.4 19.0 8.5 11:00 B 6.4 12.4 5.9 12:00 B 5.8 11.8 5.8 13:00 B 5.3 10.7 5.4 14:00 B 5.0 9.8 4.8 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 10.0 15.3 5.2 Max B 17.5 24.3 8.5 Max Hour 00:00 00:00 10:00 Min B 5.0 9.8 3.3 Count 0 15 15 15 Total Date Printed: 1/10/2026 15:01 Daily Summary Report Site: Hattie Avenue (A) 1/10/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B 2.2 11.7 14.0 .1 01:00 B .4 8.2 8.7 .0 02:00 B .6 10.0 10.6 .0 03:00 B .9 8.7 9.7 .1 04:00 B .6 7.3 7.9 .0 05:00 B .8 7.4 8.3 .1 06:00 B .5 7.9 8.4 .0 07:00 B .6 7.6 8.3 .1 08:00 B .8 6.7 7.5 .1 09:00 B .7 7.0 7.7 .1 10:00 B .8 6.3 7.1 .1 11:00 B .4 3.3 3.8 .1 12:00 B .7 4.5 5.3 .1 13:00 B .5 4.6 5.1 .1 14:00 B .4 3.5 4.0 .1 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .7 6.9 7.7 .0 Max B 2.2 11.7 14.0 .1 Max Hour 00:00 00:00 00:00 14:00 Min B .4 3.3 3.8 .0 Count 0 15 15 15 15 Total Date Printed: 1/10/2026 15:01 Daily Summary Report Site: Hattie Avenue (B) 1/10/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 19.1 28.5 9.8 01:00 12.4 18.2 5.9 02:00 10.7 14.1 3.6 03:00 9.8 13.6 3.9 04:00 9.5 14.0 4.5 05:00 8.9 12.8 3.9 06:00 5.6 8.1 2.4 07:00 5.4 7.8 2.4 08:00 7.6 10.1 2.5 09:00 10.7 16.3 5.5 10:00 10.3 17.5 7.0 11:00 7.2 14.7 7.3 12:00 7.1 13.3 6.0 13:00 6.6 14.3 7.5 14:00 5.5 11.3 5.6 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 9.0 14.3 5.1 Max 19.1 28.5 9.8 Max Hour 00:00 00:00 00:00 Min 5.4 7.8 2.4 Count 15 15 15 Total Date Printed: 1/10/2026 15:01 Daily Summary Report Site: Union Cross 1/10/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 740.0 54.8 54.8 01:00 B 739.8 55.3 55.3 02:00 B 739.1 55.9 55.9 03:00 B 738.8 56.2 56.3 04:00 B 738.6 56.3 56.3 05:00 B 738.3 56.6 56.6 06:00 B 737.9 58.4 58.4 07:00 B 737.5 59.4 59.4 08:00 B 737.3 60.1 60.1 09:00 B 737.4 61.4 61.4 10:00 B 737.1 62.5 62.5 11:00 B 736.3 63.3 62.7 12:00 B 735.3 63.8 62.8 13:00 B 735.0 64.9 62.6 14:00 B 734.2 64.9 63.1 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 737.5 59.5 59.2 Max B 740.0 64.9 63.1 Max Hour 00:00 14:00 14:00 Min B 734.2 54.8 54.8 Count 0 15 15 15 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