Date Printed: 11/8/2025 18:01 Daily Summary Report Site: Clemmons Middle 11/8/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 18.9 26.9 8.0 01:00 B 19.3 25.3 6.0 02:00 B 18.9 23.0 4.0 03:00 B 19.8 23.3 3.4 04:00 B 21.1 24.5 3.3 05:00 B 21.1 23.8 2.7 06:00 B 18.9 21.9 2.9 07:00 B 17.7 21.1 3.3 08:00 B 14.5 16.6 2.0 09:00 B 13.0 15.5 2.4 10:00 B 14.1 17.0 2.9 11:00 B 12.3 15.9 3.5 12:00 B 10.3 14.9 4.5 13:00 B 8.1 11.8 3.7 14:00 B 7.9 12.5 4.5 15:00 B 8.2 13.4 5.1 16:00 B 8.1 14.5 6.4 17:00 B 9.2 15.8 6.5 18:00 19:00 20:00 21:00 22:00 23:00 Average 14.5 18.7 4.1 Max B 21.1 26.9 8.0 Max Hour 05:00 00:00 00:00 Min B 7.9 11.8 2.0 Count 0 18 18 18 Total Date Printed: 11/8/2025 18:01 Daily Summary Report Site: Hattie Avenue (A) 11/8/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 5.1 5.3 .0 01:00 B .1 3.6 3.7 .0 02:00 B .1 4.1 4.2 .0 03:00 B .1 5.3 5.4 .0 04:00 B .1 5.5 5.7 .0 05:00 B .2 6.9 7.2 .0 06:00 B .9 7.8 8.8 .0 07:00 B 5.6 9.0 14.6 .0 08:00 B 3.0 6.7 9.8 .0 09:00 B 2.4 5.7 8.2 .0 10:00 B 1.7 5.2 6.9 .0 11:00 B .7 3.3 4.0 .0 12:00 B .4 2.3 2.8 .0 13:00 B .4 2.4 2.8 .0 14:00 B .3 3.1 3.4 .0 15:00 B 1.4 C 4.8 C 6.3 C .0 16:00 B C C C .0 17:00 B .3 C 13.4 C 13.7 C .0 18:00 19:00 20:00 21:00 22:00 23:00 Average 1.0 5.5 6.6 .0 Max B 5.6 13.4 14.6 .0 Max Hour 07:00 17:00 07:00 17:00 Min B .1 2.3 2.8 .0 Count 0 17 17 17 18 Total Date Printed: 11/8/2025 18:01 Daily Summary Report Site: Hattie Avenue (B) 11/8/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 18.5 25.7 7.1 01:00 18.7 24.0 5.3 02:00 19.3 24.5 5.1 03:00 19.7 23.3 3.6 04:00 20.4 23.6 3.2 05:00 21.6 23.9 2.4 06:00 19.4 21.8 2.5 07:00 18.0 20.9 3.1 08:00 14.9 19.0 4.1 09:00 13.4 19.4 5.9 10:00 13.7 18.4 4.4 11:00 10.6 15.4 4.5 12:00 7.7 12.8 4.8 13:00 5.5 10.7 4.8 14:00 6.4 12.4 5.7 15:00 6.8 12.4 5.2 16:00 8.8 28.3 18.8 17:00 8.2 13.6 5.1 18:00 19:00 20:00 21:00 22:00 23:00 Average 13.9 19.4 5.3 Max 21.6 28.3 18.8 Max Hour 05:00 16:00 16:00 Min 5.5 10.7 2.4 Count 18 18 18 Total Date Printed: 11/8/2025 18:01 Daily Summary Report Site: Union Cross 11/8/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 731.0 57.1 53.0 01:00 B 731.0 56.4 54.8 02:00 B 730.9 55.7 55.3 03:00 B 730.9 55.0 55.0 04:00 B 731.2 54.5 54.5 05:00 B 731.7 53.6 53.7 06:00 B 731.9 53.3 53.3 07:00 B 732.5 52.9 52.9 08:00 B 733.0 54.8 54.9 09:00 B 733.2 57.3 56.6 10:00 B 733.3 61.9 55.7 11:00 B 733.1 65.7 52.4 12:00 B 732.5 66.2 48.8 13:00 B 731.9 67.7 47.8 14:00 B 731.7 68.7 49.5 15:00 B 731.8 67.6 49.6 16:00 B 731.8 66.1 49.6 17:00 B 731.9 64.5 49.8 18:00 19:00 20:00 21:00 22:00 23:00 Average 731.9 59.9 52.6 Max B 733.3 68.7 56.6 Max Hour 10:00 14:00 09:00 Min B 730.9 52.9 47.8 Count 0 18 18 18 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