Date Printed: 11/4/2026 10:01 Daily Summary Report Site: Clemmons Middle 11/4/2026 Interval: 001h O3 PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 11.7 21.2 9.4 01:00 B 10.5 20.7 10.1 02:00 B 10.3 19.1 8.8 03:00 B 10.4 18.7 8.2 04:00 B 9.5 16.3 6.8 05:00 B 9.4 16.8 7.3 06:00 B 10.2 18.5 8.2 07:00 B 9.6 17.9 8.3 08:00 B 10.3 18.6 8.3 09:00 B 9.4 19.0 9.6 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 10.1 18.6 8.5 Max B 11.7 21.2 10.1 Max Hour 00:00 00:00 01:00 Min B 9.4 16.3 6.8 Count 0 10 10 10 Total Date Printed: 11/4/2026 10:01 Daily Summary Report Site: Hattie Avenue (A) 11/4/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .4 18.0 18.4 .2 01:00 B .2 9.9 10.2 .2 02:00 B .1 6.7 6.9 .2 03:00 B .1 5.1 5.2 .1 04:00 B .1 5.6 5.8 .1 05:00 B .7 6.2 7.0 .1 06:00 B 2.9 10.0 12.9 .2 07:00 B 5.4 10.2 15.6 .2 08:00 B 3.0 8.2 11.2 .2 09:00 B 2.1 8.7 10.9 .2 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 8.8 10.4 .1 Max B 5.4 18.0 18.4 .2 Max Hour 07:00 00:00 00:00 09:00 Min B .1 5.1 5.2 .1 Count 0 10 10 10 10 Total Date Printed: 11/4/2026 10:01 Daily Summary Report Site: Hattie Avenue (B) 11/4/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 8.8 18.9 10.2 01:00 7.7 17.2 9.6 02:00 7.7 15.1 7.5 03:00 8.1 14.7 6.7 04:00 8.4 15.8 7.5 05:00 8.4 14.3 6.2 06:00 10.3 17.7 7.7 07:00 9.9 18.2 8.6 08:00 7.4 15.4 7.9 09:00 5.3 12.8 7.4 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 8.2 16.0 7.9 Max 10.3 18.9 10.2 Max Hour 06:00 00:00 00:00 Min 5.3 12.8 6.2 Count 10 10 10 Total Date Printed: 11/4/2026 10:01 Daily Summary Report Site: Union Cross 11/4/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 741.1 60.3 55.1 01:00 B 740.7 59.6 53.9 02:00 B 740.6 58.2 53.7 03:00 B 740.2 56.8 53.8 04:00 B 739.9 56.1 53.9 05:00 B 739.9 55.8 54.1 06:00 B 739.8 53.8 52.7 07:00 B 739.6 55.3 54.4 08:00 B 739.6 62.6 57.2 09:00 B 739.5 65.1 58.8 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 740.0 58.3 54.7 Max B 741.1 65.1 58.8 Max Hour 00:00 09:00 09:00 Min B 739.5 53.8 52.7 Count 0 10 10 10 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