Date Printed: 10/25/2025 14:01 Daily Summary Report Site: Clemmons Middle 10/25/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .005 7.3 14.3 7.0 01:00 .029 3.1 7.8 4.7 02:00 .029 2.7 7.1 4.4 03:00 .027 2.8 7.0 4.1 04:00 .020 2.9 6.3 3.3 05:00 .012 3.2 6.6 3.3 06:00 .009 3.6 7.4 3.7 07:00 .010 3.5 7.0 3.4 08:00 .016 3.4 6.5 3.1 09:00 .028 2.6 6.1 3.4 10:00 .031 2.6 6.2 3.5 11:00 .034 2.7 6.7 4.0 12:00 .037 2.8 7.7 4.9 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .022 3.3 7.4 4.0 Max .037 7.3 14.3 7.0 Max Hour 12:00 00:00 00:00 00:00 Min .005 2.6 6.1 3.1 Count 13 13 13 13 Total Date Printed: 10/25/2025 14:01 Daily Summary Report Site: Hattie Avenue (A) 10/25/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .033 .1 3.3 3.5 .0 01:00 .032 .1 1.8 2.0 .0 02:00 .029 .2 2.2 2.4 .0 03:00 .027 .2 2.4 2.6 .0 04:00 .023 .2 4.1 4.3 .0 05:00 .022 .2 4.3 4.5 .0 06:00 .023 .4 4.0 4.5 .0 07:00 .023 .8 3.7 4.5 .0 08:00 .028 .8 2.5 3.3 .0 09:00 .031 .6 2.0 2.6 .0 10:00 .033 .5 1.7 2.3 .0 11:00 .037 .5 1.7 2.2 .1 12:00 .039 .3 1.4 1.7 .2 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 .3 2.7 3.1 .0 Max .039 .8 4.3 4.5 .2 Max Hour 12:00 08:00 05:00 07:00 12:00 Min .022 .1 1.4 1.7 .0 Count 13 13 13 13 13 Total Date Printed: 10/25/2025 14:01 Daily Summary Report Site: Hattie Avenue (B) 10/25/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 3.2 7.6 4.6 01:00 2.8 6.4 3.7 02:00 3.0 6.9 4.1 03:00 3.4 6.5 3.4 04:00 4.6 9.0 4.7 05:00 3.5 6.7 3.5 06:00 3.2 6.9 4.0 07:00 3.2 7.2 4.3 08:00 3.2 13.1 10.3 09:00 2.6 6.1 3.6 10:00 2.5 5.4 3.0 11:00 2.4 7.9 5.6 12:00 2.4 6.0 3.6 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 7.3 4.4 Max 4.6 13.1 10.3 Max Hour 04:00 08:00 08:00 Min 2.4 5.4 3.0 Count 13 13 13 Total Date Printed: 10/25/2025 14:01 Daily Summary Report Site: Union Cross 10/25/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .033 743.7 48.7 30.6 01:00 .033 744.1 47.4 30.2 02:00 .031 744.1 45.2 30.1 03:00 .028 744.2 43.8 30.0 04:00 .025 744.5 42.3 29.9 05:00 .018 745.0 39.1 30.5 06:00 .015 745.4 38.7 30.4 07:00 .018 B 745.7 40.1 30.8 08:00 .028 746.1 46.7 31.5 09:00 .034 746.1 51.3 32.0 10:00 .037 745.9 53.1 32.7 11:00 .040 746.0 55.3 33.7 12:00 .042 745.5 57.0 34.9 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .029 745.1 46.8 31.3 Max .042 746.1 57.0 34.9 Max Hour 12:00 09:00 12:00 12:00 Min .015 743.7 38.7 29.9 Count 13 13 13 13 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