Date Printed: 3/9/2026 03:01 Daily Summary Report Site: Clemmons Middle 3/9/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .017 1.5 3.4 1.9 01:00 .010 1.5 4.0 2.5 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 .013 1.5 3.7 2.2 Max .017 1.5 4.0 2.5 Max Hour 00:00 01:00 01:00 01:00 Min .010 1.5 3.4 1.9 Count 2 2 2 2 Total Date Printed: 3/9/2026 03:01 Daily Summary Report Site: Hattie Avenue (A) 3/9/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .012 .2 7.1 7.3 .0 01:00 .016 .1 5.3 5.5 .0 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 .014 .1 6.2 6.4 .0 Max .016 .2 7.1 7.3 .0 Max Hour 01:00 00:00 00:00 00:00 01:00 Min .012 .1 5.3 5.5 .0 Count 2 2 2 2 2 Total Date Printed: 3/9/2026 03:01 Daily Summary Report Site: Hattie Avenue (B) 3/9/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 3.2 5.7 2.4 01:00 2.9 4.5 1.5 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 3.0 5.1 1.9 Max 3.2 5.7 2.4 Max Hour 00:00 00:00 00:00 Min 2.9 4.5 1.5 Count 2 2 2 Total Date Printed: 3/9/2026 03:01 Daily Summary Report Site: Union Cross 3/9/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .019 736.9 58.0 58.0 01:00 .015 736.9 57.6 57.6 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 .017 736.9 57.8 57.8 Max .019 736.9 58.0 58.0 Max Hour 00:00 01:00 00:00 00:00 Min .015 736.9 57.6 57.6 Count 2 2 2 2 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