Date Printed: 9/14/2025 10:01 Daily Summary Report Site: Clemmons Middle 9/14/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .005 9.2 14.8 5.6 01:00 .003 9.4 14.9 5.4 02:00 .003 9.8 16.0 6.1 03:00 .001 9.5 15.1 5.5 04:00 .001 9.7 15.7 5.9 05:00 .000 9.4 14.9 5.5 06:00 .001 9.2 14.5 5.3 07:00 .005 9.1 14.4 5.3 08:00 .013 8.8 13.3 4.5 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 .003 9.3 14.8 5.4 Max .013 9.8 16.0 6.1 Max Hour 08:00 02:00 02:00 02:00 Min .000 8.8 13.3 4.5 Count 9 9 9 9 Total Date Printed: 9/14/2025 10:01 Daily Summary Report Site: Hattie Avenue (A) 9/14/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .006 .6 15.2 15.9 .1 01:00 .009 .8 10.4 11.2 .0 02:00 .008 .4 8.6 9.0 .0 03:00 .011 .2 5.7 6.0 .0 04:00 .012 .2 5.1 5.3 .0 05:00 .011 .3 4.8 5.1 .0 06:00 .010 .9 5.1 6.0 .0 07:00 .015 2.1 7.6 9.7 .0 08:00 .026 1.6 4.9 6.6 .1 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 .012 .7 7.4 8.3 .0 Max .026 2.1 15.2 15.9 .1 Max Hour 08:00 07:00 00:00 00:00 08:00 Min .006 .2 4.8 5.1 .0 Count 9 9 9 9 9 Total Date Printed: 9/14/2025 10:01 Daily Summary Report Site: Hattie Avenue (B) 9/14/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 12.3 20.0 7.6 01:00 12.8 19.2 6.5 02:00 11.8 18.3 6.5 03:00 10.7 16.1 5.4 04:00 10.5 16.0 5.5 05:00 9.8 15.7 5.9 06:00 9.6 15.2 5.6 07:00 8.9 15.3 6.2 08:00 9.8 16.4 6.1 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 10.6 16.9 6.1 Max 12.8 20.0 7.6 Max Hour 01:00 00:00 00:00 Min 8.9 15.2 5.4 Count 9 9 9 Total Date Printed: 9/14/2025 10:01 Daily Summary Report Site: Union Cross 9/14/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .006 737.8 59.6 56.0 01:00 .012 737.4 60.0 55.4 02:00 .011 737.1 59.3 55.0 03:00 .011 736.9 58.9 54.8 04:00 .009 737.0 58.4 54.9 05:00 .010 737.3 58.4 55.5 06:00 .005 737.1 57.5 55.8 07:00 .016 737.3 63.0 57.4 08:00 .028 737.4 68.2 57.9 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 .012 737.2 60.3 55.8 Max .028 737.8 68.2 57.9 Max Hour 08:00 00:00 08:00 08:00 Min .005 736.9 57.5 54.8 Count 9 9 9 9 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