Date Printed: 9/17/2025 15:01 Daily Summary Report Site: Clemmons Middle 9/17/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .023 6.0 9.3 3.2 01:00 .021 6.1 9.7 3.6 02:00 .022 6.2 10.5 4.3 03:00 .017 6.2 10.3 4.1 04:00 .013 6.4 9.8 3.4 05:00 .011 6.3 11.0 4.6 06:00 .008 6.4 13.6 7.1 07:00 .011 6.2 12.8 6.6 08:00 .020 7.1 14.8 7.6 09:00 .027 7.6 16.6 8.9 10:00 .033 7.8 15.4 7.6 11:00 .040 8.2 15.1 6.9 12:00 .044 7.4 15.5 8.0 13:00 .047 7.0 14.1 7.0 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .024 6.7 12.7 5.9 Max .047 8.2 16.6 8.9 Max Hour 13:00 11:00 09:00 09:00 Min .008 6.0 9.3 3.2 Count 14 14 14 14 Total Date Printed: 9/17/2025 15:01 Daily Summary Report Site: Hattie Avenue (A) 9/17/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .034 .0 3.0 3.0 .0 01:00 .025 .1 3.9 4.1 .0 02:00 .023 .1 4.8 5.0 .0 03:00 .021 .1 4.5 4.7 .0 04:00 .018 .2 5.4 5.6 .0 05:00 .017 .2 6.8 7.0 .0 06:00 .019 B B B .0 07:00 .022 B B B .0 08:00 .029 B B B .1 09:00 .033 B B B .0 10:00 .040 B B B .1 11:00 .043 B B B .1 12:00 .046 B B B .1 13:00 .050 .2 1.6 1.8 .1 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .030 .1 4.2 4.4 .0 Max .050 .2 6.8 7.0 .1 Max Hour 13:00 13:00 05:00 05:00 13:00 Min .017 .0 1.6 1.8 .0 Count 14 7 7 7 14 Total Date Printed: 9/17/2025 15:01 Daily Summary Report Site: Hattie Avenue (B) 9/17/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 6.5 11.5 4.9 01:00 6.8 10.6 3.7 02:00 7.4 12.9 5.4 03:00 7.8 11.8 3.9 04:00 7.5 12.1 4.6 05:00 6.9 11.8 4.8 06:00 6.7 12.4 5.6 07:00 6.7 16.8 10.0 08:00 7.2 17.7 10.1 09:00 7.1 16.1 8.6 10:00 7.4 17.1 9.1 11:00 7.9 19.3 10.7 12:00 7.4 16.7 8.6 13:00 6.9 14.4 6.7 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 7.1 14.3 6.9 Max 7.9 19.3 10.7 Max Hour 11:00 11:00 11:00 Min 6.5 10.6 3.7 Count 14 14 14 Total Date Printed: 9/17/2025 15:01 Daily Summary Report Site: Union Cross 9/17/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .025 738.6 62.3 54.8 01:00 .019 738.1 61.1 56.5 02:00 .017 737.7 60.3 57.9 03:00 .019 737.4 60.1 57.5 04:00 .017 737.2 59.7 57.6 05:00 .017 737.2 59.6 57.0 06:00 .014 B 737.4 59.7 56.7 07:00 .019 737.6 61.5 55.8 08:00 .024 737.6 65.3 55.7 09:00 .033 737.7 69.0 55.8 10:00 .040 737.3 72.2 56.5 11:00 .046 736.8 74.8 57.3 12:00 .047 736.3 76.5 58.8 13:00 .049 735.8 78.2 59.8 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .027 737.3 65.7 56.9 Max .049 738.6 78.2 59.8 Max Hour 13:00 00:00 13:00 13:00 Min .014 735.8 59.6 54.8 Count 14 14 14 14 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