Date Printed: 11/6/2025 21:01 Daily Summary Report Site: Clemmons Middle 11/6/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 14.3 23.1 8.7 01:00 B 11.9 19.2 7.3 02:00 B 9.9 16.7 6.8 03:00 B 10.6 17.6 7.0 04:00 B 10.5 16.4 5.9 05:00 B 10.5 19.5 8.9 06:00 B 11.5 19.0 7.4 07:00 B 12.7 23.1 10.3 08:00 B 6.9 16.6 9.6 09:00 B 4.4 12.4 7.9 10:00 B 4.1 10.4 6.3 11:00 B 3.6 8.4 4.7 12:00 B 4.1 10.0 5.9 13:00 B 4.4 11.5 7.0 14:00 B 4.5 11.0 6.5 15:00 B 4.7 14.6 9.8 16:00 B 4.3 12.5 8.2 17:00 B 3.6 11.5 7.9 18:00 B 3.8 11.4 7.5 19:00 B 6.1 16.8 10.6 20:00 B 5.1 12.6 7.5 21:00 22:00 23:00 Average 7.2 14.9 7.7 Max B 14.3 23.1 10.6 Max Hour 00:00 07:00 19:00 Min B 3.6 8.4 4.7 Count 0 21 21 21 Total Date Printed: 11/6/2025 21:01 Daily Summary Report Site: Hattie Avenue (A) 11/6/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 9.1 9.2 .0 01:00 B .2 6.6 6.8 .0 02:00 B .1 2.7 2.8 .0 03:00 B .1 3.3 3.4 .0 04:00 B .1 3.8 4.0 .0 05:00 B .1 5.7 5.8 .0 06:00 B .1 7.7 7.9 .0 07:00 B .9 12.3 13.2 .0 08:00 B .5 3.8 4.3 .0 09:00 B .4 2.1 2.6 .0 10:00 B .3 1.7 2.1 .0 11:00 B .3 1.6 1.9 .0 12:00 B .2 1.6 1.8 .0 13:00 B .1 1.3 1.5 .0 14:00 B .2 1.4 1.6 .0 15:00 B .7 C 3.1 C 3.8 C .2 16:00 B C C C .4 17:00 B .1 C 8.4 C 8.6 C .1 18:00 B .4 14.6 15.0 .1 19:00 B 1.0 20.9 21.9 .0 C 20:00 B .3 15.6 16.0 C 21:00 22:00 23:00 Average .3 6.3 6.7 .0 Max B 1.0 20.9 21.9 .4 Max Hour 19:00 19:00 19:00 16:00 Min B .1 1.3 1.5 .0 Count 0 20 20 20 20 Total Date Printed: 11/6/2025 21:01 Daily Summary Report Site: Hattie Avenue (B) 11/6/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 13.3 24.1 10.8 01:00 13.0 20.2 7.3 02:00 9.2 16.8 7.6 03:00 9.6 17.7 8.1 04:00 9.7 18.0 8.4 05:00 9.2 18.0 9.0 06:00 7.8 18.6 11.0 07:00 6.6 19.0 12.5 08:00 6.2 19.2 13.2 09:00 5.0 13.8 8.8 10:00 4.5 10.8 6.2 11:00 4.3 11.4 7.0 12:00 4.5 10.9 6.3 13:00 4.6 11.2 6.5 14:00 4.1 9.6 5.3 15:00 3.1 8.4 5.1 16:00 3.0 8.5 5.4 17:00 3.3 13.5 10.3 18:00 10.8 21.0 10.5 19:00 10.7 22.6 12.3 20:00 6.1 14.8 9.0 21:00 22:00 23:00 Average 7.0 15.6 8.6 Max 13.3 24.1 13.2 Max Hour 00:00 00:00 08:00 Min 3.0 8.4 5.1 Count 21 21 21 Total Date Printed: 11/6/2025 21:01 Daily Summary Report Site: Union Cross 11/6/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 736.4 57.6 44.0 01:00 B 736.5 56.3 43.5 02:00 B 736.7 58.2 43.6 03:00 B 736.9 60.1 43.9 04:00 B 737.4 59.1 43.3 05:00 B 738.2 56.4 42.3 06:00 B 739.0 54.7 40.6 07:00 B 740.0 54.3 38.8 08:00 B 740.9 55.9 36.3 09:00 B 741.4 56.9 34.5 10:00 B 741.5 58.7 34.7 11:00 B 741.3 60.4 34.5 12:00 B 740.7 13:00 B 739.9 61.7 35.5 14:00 B 739.4 62.1 35.2 15:00 B 739.4 62.7 34.5 16:00 B 739.4 62.4 34.7 17:00 B 739.4 58.4 32.1 18:00 B 739.5 55.7 30.8 19:00 B 739.5 55.1 30.7 20:00 B 739.6 52.9 29.4 21:00 22:00 23:00 Average 739.1 57.9 37.1 Max B 741.5 62.7 44.0 Max Hour 10:00 15:00 00:00 Min B 736.4 52.9 29.4 Count 0 21 20 20 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