Date Printed: 11/9/2025 20:01 Daily Summary Report Site: Clemmons Middle 11/9/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 17.0 23.5 6.5 01:00 B 16.7 22.6 5.9 02:00 B 15.4 22.0 6.6 03:00 B 16.6 23.0 6.4 04:00 B 16.9 22.7 5.7 05:00 B 17.3 22.8 5.4 06:00 B 18.1 23.8 5.6 07:00 B 18.7 24.7 5.9 08:00 B 20.9 28.1 7.2 09:00 B 20.4 27.2 6.8 10:00 B 16.7 23.1 6.3 11:00 B 13.9 18.8 4.8 12:00 B 12.8 18.7 5.9 13:00 B 11.0 17.2 6.2 14:00 B 11.1 18.7 7.6 15:00 B 9.2 17.1 7.9 16:00 B 13.7 23.6 9.8 17:00 B 8.3 15.3 6.9 18:00 B 6.8 13.6 6.8 19:00 B 7.4 13.9 6.5 20:00 21:00 22:00 23:00 Average 14.4 21.0 6.5 Max B 20.9 28.1 9.8 Max Hour 08:00 08:00 16:00 Min B 6.8 13.6 4.8 Count 0 20 20 20 Total Date Printed: 11/9/2025 20:01 Daily Summary Report Site: Hattie Avenue (A) 11/9/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .5 9.9 10.5 .0 01:00 B .3 8.0 8.4 .0 02:00 B .7 9.0 9.7 .0 03:00 B .4 7.9 8.3 .0 04:00 B .6 9.4 10.1 .0 05:00 B .4 7.5 8.0 .0 06:00 B .5 8.1 8.6 .0 07:00 B .6 6.3 7.0 .0 08:00 B .6 3.6 4.2 .0 09:00 B .5 3.4 3.9 .0 10:00 B .5 3.1 3.6 .0 11:00 B .4 2.1 2.5 .0 12:00 B .4 1.9 2.3 .0 13:00 B .3 1.9 2.3 .0 14:00 B .2 2.0 2.3 .0 15:00 B .2 C 2.2 C 2.5 C .0 16:00 B C C C .0 17:00 B .1 C 3.1 C 3.2 C .0 18:00 B .0 2.5 2.6 .0 19:00 B .1 3.9 4.0 .0 C 20:00 21:00 22:00 23:00 Average .3 5.0 5.4 .0 Max B .7 9.9 10.5 .0 Max Hour 02:00 00:00 00:00 19:00 Min B .0 1.9 2.3 .0 Count 0 19 19 19 20 Total Date Printed: 11/9/2025 20:01 Daily Summary Report Site: Hattie Avenue (B) 11/9/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 17.9 24.1 6.2 01:00 16.8 22.5 5.6 02:00 16.9 22.7 5.7 03:00 18.1 24.3 6.2 04:00 19.2 24.9 5.6 05:00 20.5 26.3 5.6 06:00 21.6 29.0 7.3 07:00 22.0 30.5 8.3 08:00 20.4 28.2 7.5 09:00 19.5 26.3 6.6 10:00 18.2 24.9 6.4 11:00 15.2 21.5 5.8 12:00 13.8 19.4 5.0 13:00 11.2 19.0 7.0 14:00 10.0 18.2 7.5 15:00 9.1 18.3 8.5 16:00 8.5 16.9 7.8 17:00 8.1 14.9 6.4 18:00 6.5 13.0 6.4 19:00 6.9 12.2 5.3 20:00 21:00 22:00 23:00 Average 15.0 21.8 6.5 Max 22.0 30.5 8.5 Max Hour 07:00 07:00 15:00 Min 6.5 12.2 5.0 Count 20 20 20 Total Date Printed: 11/9/2025 20:01 Daily Summary Report Site: Union Cross 11/9/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 731.5 58.0 48.6 01:00 B 731.3 58.4 50.6 02:00 B 731.1 58.6 53.6 03:00 B 730.9 58.7 56.6 04:00 B 731.0 58.0 57.3 05:00 B 731.0 56.8 56.5 06:00 B 731.0 56.1 56.0 07:00 B 731.1 56.9 56.9 08:00 B 731.2 58.1 58.1 09:00 B 731.2 58.8 58.8 10:00 B 731.1 59.6 59.4 11:00 B 730.8 64.6 59.1 12:00 B 729.9 69.9 57.2 13:00 B 729.3 72.5 55.0 14:00 B 728.9 72.9 53.4 15:00 B 728.6 72.7 52.5 16:00 B 728.4 72.3 51.9 17:00 B 729.0 69.0 50.4 18:00 B 730.5 61.8 50.2 19:00 B 730.8 55.3 52.7 20:00 21:00 22:00 23:00 Average 730.4 62.4 54.7 Max B 731.5 72.9 59.4 Max Hour 00:00 14:00 10:00 Min B 728.4 55.3 48.6 Count 0 20 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