Date Printed: 1/17/2026 22:02 Daily Summary Report Site: Clemmons Middle 1/17/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 5.5 11.5 6.0 01:00 B 6.3 11.7 5.4 02:00 B 10.5 17.8 7.3 03:00 B 12.1 18.7 6.6 04:00 B 11.6 17.2 5.5 05:00 B 11.6 18.6 6.9 06:00 B 10.2 17.2 6.9 07:00 B 11.1 18.5 7.3 08:00 B 13.1 20.4 7.3 09:00 B 15.1 20.8 5.6 10:00 B 17.8 24.2 6.3 11:00 B 15.6 22.7 7.0 12:00 B 15.2 21.5 6.3 13:00 B 16.1 22.1 5.9 14:00 B 14.6 20.7 6.1 15:00 B 13.5 18.8 5.3 16:00 B 12.3 18.2 5.9 17:00 B 17.3 24.3 7.0 18:00 B 12.0 18.7 6.6 19:00 B 12.4 19.0 6.6 20:00 B 11.0 16.4 5.4 21:00 B 11.8 17.4 5.6 22:00 23:00 Average 12.5 18.9 6.3 Max B 17.8 24.3 7.3 Max Hour 10:00 17:00 08:00 Min B 5.5 11.5 5.3 Count 0 22 22 22 Total Date Printed: 1/17/2026 22:02 Daily Summary Report Site: Hattie Avenue (A) 1/17/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 5.1 5.3 .4 01:00 B .1 4.1 4.3 .5 02:00 B .1 5.1 5.2 .7 03:00 B .1 7.3 7.5 .8 04:00 B .1 4.2 4.4 .6 05:00 B .1 4.3 4.5 .6 06:00 B .1 4.5 4.7 .7 07:00 B .2 4.1 4.3 .5 08:00 B .3 4.4 4.7 .2 09:00 B .9 8.0 8.9 .1 10:00 B .8 6.1 6.9 .1 11:00 B .7 4.3 5.1 .1 12:00 B .7 3.2 3.9 .1 13:00 B .8 2.9 3.7 .1 14:00 B .6 2.9 3.6 .1 15:00 B .4 C 3.8 C 4.3 C .1 16:00 B C C C .2 17:00 B .2 C 9.5 C 9.8 C .1 18:00 B .2 13.1 13.4 .1 19:00 B .9 21.8 22.8 .1 C 20:00 B .6 20.1 20.8 C 21:00 B 1.3 17.5 18.9 .2 C 22:00 23:00 Average .4 7.4 7.9 .3 Max B 1.3 21.8 22.8 .8 Max Hour 21:00 19:00 19:00 03:00 Min B .1 2.9 3.6 .1 Count 0 21 21 21 21 Total Date Printed: 1/17/2026 22:02 Daily Summary Report Site: Hattie Avenue (B) 1/17/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 5.7 11.9 6.7 01:00 6.2 10.8 5.0 02:00 11.5 18.3 7.6 03:00 18.9 30.0 12.4 04:00 11.3 17.2 6.6 05:00 10.9 17.9 7.7 06:00 10.4 17.9 8.3 07:00 10.7 17.2 7.1 08:00 14.1 21.8 8.7 09:00 16.7 23.0 7.3 10:00 19.1 25.8 7.7 11:00 16.8 22.7 6.7 12:00 15.7 22.4 7.4 13:00 16.8 23.0 6.7 14:00 15.9 21.7 6.1 15:00 14.1 19.6 5.8 16:00 13.1 18.5 5.7 17:00 14.2 19.4 5.7 18:00 15.5 21.2 6.3 19:00 16.6 22.8 6.9 20:00 18.0 24.2 7.0 21:00 17.1 23.6 7.2 22:00 23:00 Average 14.0 20.4 7.1 Max 19.1 30.0 12.4 Max Hour 10:00 03:00 03:00 Min 5.7 10.8 5.0 Count 22 22 22 Total Date Printed: 1/17/2026 22:02 Daily Summary Report Site: Union Cross 1/17/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 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 Max Max Hour Min Count 0 0 0 0 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