Date Printed: 3/10/2026 03:01 Daily Summary Report Site: Clemmons Middle 3/10/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .008 7.9 13.6 5.6 01:00 .006 10.2 16.2 5.9 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 .007 9.0 14.9 5.7 Max .008 10.2 16.2 5.9 Max Hour 00:00 01:00 01:00 01:00 Min .006 7.9 13.6 5.6 Count 2 2 2 2 Total Date Printed: 3/10/2026 03:01 Daily Summary Report Site: Hattie Avenue (A) 3/10/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .014 .5 10.2 10.7 .0 01:00 .014 .6 9.4 10.1 .1 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 .5 9.8 10.4 .0 Max .014 .6 10.2 10.7 .1 Max Hour 01:00 01:00 00:00 00:00 01:00 Min .014 .5 9.4 10.1 .0 Count 2 2 2 2 2 Total Date Printed: 3/10/2026 03:01 Daily Summary Report Site: Hattie Avenue (B) 3/10/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 11.4 18.6 7.4 01:00 12.2 19.5 7.4 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 11.8 19.0 7.4 Max 12.2 19.5 7.4 Max Hour 01:00 01:00 01:00 Min 11.4 18.6 7.4 Count 2 2 2 Total Date Printed: 3/10/2026 03:01 Daily Summary Report Site: Union Cross 3/10/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .033 737.8 61.0 44.9 01:00 .028 737.7 60.1 44.8 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 .030 737.7 60.5 44.8 Max .033 737.8 61.0 44.9 Max Hour 00:00 00:00 00:00 00:00 Min .028 737.7 60.1 44.8 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