Date Printed: 8/5/2026 10:01 Daily Summary Report Site: Clemmons Middle 8/5/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .006 7.5 20.4 12.9 01:00 .004 7.9 21.1 13.2 02:00 .005 8.0 21.4 13.4 03:00 .007 8.0 19.8 11.7 04:00 .008 7.5 18.9 11.3 05:00 .008 7.3 18.0 10.7 06:00 .010 6.9 16.0 9.1 07:00 D 5.8 13.3 7.4 08:00 D 5.4 9.8 4.4 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 .006 7.1 17.6 10.4 Max .010 8.0 21.4 13.4 Max Hour 06:00 03:00 02:00 02:00 Min .004 5.4 9.8 4.4 Count 7 9 9 9 Total Date Printed: 8/5/2026 10:01 Daily Summary Report Site: Hattie Avenue (A) 8/5/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .017 .2 2.1 2.3 .1 01:00 .016 .2 3.2 3.5 .1 02:00 .019 .2 1.9 2.2 .1 03:00 .020 .2 1.6 1.9 .1 04:00 .020 .2 1.7 1.9 .1 05:00 .019 .2 1.7 2.0 .1 06:00 .018 .4 2.1 2.5 .1 07:00 .020 .8 2.4 3.3 .1 08:00 .032 .5 2.5 3.1 .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 .020 .3 2.1 2.5 .1 Max .032 .8 3.2 3.5 .1 Max Hour 08:00 07:00 01:00 01:00 08:00 Min .016 .2 1.6 1.9 .1 Count 9 9 9 9 9 Total Date Printed: 8/5/2026 10:01 Daily Summary Report Site: Hattie Avenue (B) 8/5/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 8.1 20.0 11.4 01:00 8.3 21.5 12.7 02:00 6.9 17.4 10.1 03:00 5.5 12.9 7.1 04:00 5.6 15.0 9.1 05:00 4.2 9.6 5.2 06:00 4.4 10.4 5.8 07:00 4.6 9.9 5.1 08:00 4.7 10.6 5.6 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 5.8 14.1 8.0 Max 8.3 21.5 12.7 Max Hour 01:00 01:00 01:00 Min 4.2 9.6 5.1 Count 9 9 9 Total Date Printed: 8/5/2026 10:01 Daily Summary Report Site: Union Cross 8/5/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .009 737.9 72.3 71.9 01:00 .011 737.7 72.1 72.0 02:00 .017 737.8 72.0 71.8 03:00 .018 737.8 71.9 71.8 04:00 .016 738.2 72.0 72.0 05:00 .010 738.7 71.9 71.9 06:00 .014 739.0 72.1 71.9 07:00 .020 739.3 74.1 71.1 08:00 .028 739.6 76.1 70.3 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 .015 738.4 72.7 71.6 Max .028 739.6 76.1 72.0 Max Hour 08:00 08:00 08:00 04:00 Min .009 737.7 71.9 70.3 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