Date Printed: 1/14/2026 21:02 Daily Summary Report Site: Clemmons Middle 1/14/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 18.2 24.3 6.0 01:00 B 19.3 25.4 6.0 02:00 B 18.3 23.6 5.3 03:00 B 18.4 24.5 6.1 04:00 B 19.1 24.7 5.5 05:00 B 19.7 25.0 5.3 06:00 B 19.8 27.7 7.8 07:00 B 19.6 33.7 14.0 08:00 B 20.4 29.1 8.6 09:00 B 20.9 26.9 5.9 10:00 B 18.5 26.0 7.5 11:00 B 16.9 24.2 7.2 12:00 B 13.8 23.0 9.1 13:00 B 8.3 16.3 8.0 14:00 B 5.6 11.9 6.3 15:00 B 5.0 9.5 4.5 16:00 B 4.8 10.1 5.2 17:00 B 4.7 10.4 5.6 18:00 B 4.9 12.1 7.1 19:00 B 5.1 12.5 7.3 20:00 B 5.5 13.9 8.3 21:00 22:00 23:00 Average 13.6 20.7 6.9 Max B 20.9 33.7 14.0 Max Hour 09:00 07:00 07:00 Min B 4.7 9.5 4.5 Count 0 21 21 21 Total Date Printed: 1/14/2026 21:02 Daily Summary Report Site: Hattie Avenue (A) 1/14/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .3 13.2 13.5 .3 01:00 B .2 9.9 10.1 .2 02:00 B .2 10.3 10.6 .2 03:00 B .4 10.6 11.0 .2 04:00 B .3 10.8 11.2 .2 05:00 B .5 16.0 16.5 .3 06:00 B 1.8 23.4 25.2 .5 07:00 B 1.2 B 22.9 B 24.1 B .5 08:00 B B B B .7 09:00 B B B B .6 10:00 B B B B .8 11:00 B B B B .9 12:00 B 2.7 13.6 16.3 .6 13:00 B 3.1 11.0 14.2 .4 14:00 B 1.7 8.5 10.2 .3 15:00 B 1.0 C 5.5 C 6.6 C .5 16:00 B C C C 1.2 17:00 B .3 C 9.0 C 9.4 C 1.0 18:00 B .2 9.7 10.0 .5 19:00 B .2 9.2 9.5 .8 C 20:00 B .3 9.5 9.8 C 21:00 22:00 23:00 Average .9 12.0 13.0 .5 Max B 3.1 23.4 25.2 1.2 Max Hour 13:00 06:00 06:00 16:00 Min B .2 5.5 6.6 .2 Count 0 16 16 16 20 Total Date Printed: 1/14/2026 21:02 Daily Summary Report Site: Hattie Avenue (B) 1/14/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 17.5 23.8 6.9 01:00 18.6 23.0 5.0 02:00 19.4 24.2 5.6 03:00 18.8 23.7 5.6 04:00 18.6 23.9 6.0 05:00 21.4 26.5 6.1 06:00 23.3 29.1 6.8 07:00 21.6 27.9 7.2 08:00 20.6 28.2 8.3 09:00 17.4 24.3 7.4 10:00 14.8 22.9 8.5 11:00 15.0 23.1 8.5 12:00 13.9 21.0 7.3 13:00 10.3 20.3 10.1 14:00 7.0 14.1 7.0 15:00 5.3 10.8 5.3 16:00 5.2 11.6 6.4 17:00 5.0 10.9 5.9 18:00 5.3 11.8 6.6 19:00 5.7 11.7 6.0 20:00 6.3 13.5 7.2 21:00 22:00 23:00 Average 13.8 20.3 6.8 Max 23.3 29.1 10.1 Max Hour 06:00 06:00 13:00 Min 5.0 10.8 5.0 Count 21 21 21 Total Date Printed: 1/14/2026 21:02 Daily Summary Report Site: Union Cross 1/14/2026 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