Date Printed: 8/18/2026 09:01 Daily Summary Report Site: Clemmons Middle 8/18/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .011 6.2 17.9 11.7 01:00 .009 6.3 18.5 12.2 02:00 .010 6.6 21.9 15.3 03:00 .014 7.0 19.6 12.6 04:00 .011 6.9 20.7 13.7 05:00 .006 6.8 22.9 16.0 06:00 .005 7.0 22.4 15.4 07:00 .016 6.4 17.9 11.5 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 .010 6.6 20.2 13.5 Max .016 7.0 22.9 16.0 Max Hour 07:00 06:00 05:00 05:00 Min .005 6.2 17.9 11.5 Count 8 8 8 8 Total Date Printed: 8/18/2026 09:01 Daily Summary Report Site: Hattie Avenue (A) 8/18/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .017 .3 2.7 3.1 .1 01:00 .016 .3 2.7 3.1 .1 02:00 .014 .2 3.0 3.3 .1 03:00 .013 .2 4.1 4.4 .1 04:00 .013 .2 3.6 3.9 .1 05:00 .007 .5 5.9 6.4 .1 06:00 .006 3.0 8.5 11.6 .2 07:00 D 2.4 6.5 9.0 .2 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 .012 .8 4.6 5.6 .1 Max .017 3.0 8.5 11.6 .2 Max Hour 00:00 06:00 06:00 06:00 07:00 Min .006 .2 2.7 3.1 .1 Count 7 8 8 8 8 Total Date Printed: 8/18/2026 09:01 Daily Summary Report Site: Hattie Avenue (B) 8/18/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 6.5 24.5 17.3 01:00 6.7 24.4 17.0 02:00 7.2 27.3 19.4 03:00 7.3 24.9 16.9 04:00 7.3 24.4 16.4 05:00 7.3 24.0 16.1 06:00 7.1 21.8 14.0 07:00 6.3 18.7 11.6 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 6.9 23.7 16.0 Max 7.3 27.3 19.4 Max Hour 05:00 02:00 02:00 Min 6.3 18.7 11.6 Count 8 8 8 Total Date Printed: 8/18/2026 09:01 Daily Summary Report Site: Union Cross 8/18/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .012 734.2 72.3 71.8 01:00 .013 734.0 72.1 71.6 02:00 .013 733.9 71.8 71.3 03:00 .014 733.8 71.9 70.6 04:00 .011 733.9 71.5 70.3 05:00 .007 734.1 71.3 70.1 06:00 .006 734.6 72.3 70.3 07:00 .015 735.0 75.9 71.2 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 .011 734.1 72.3 70.9 Max .015 735.0 75.9 71.8 Max Hour 07:00 07:00 07:00 00:00 Min .006 733.8 71.3 70.1 Count 8 8 8 8 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