Date Printed: 11/15/2025 22:01 Daily Summary Report Site: Clemmons Middle 11/15/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 8.5 17.5 8.9 01:00 B 10.0 18.7 8.6 02:00 B 10.6 20.0 9.3 03:00 B 10.2 18.2 7.9 04:00 B 11.1 19.4 8.3 05:00 B 10.5 23.3 12.7 06:00 B 10.7 18.9 8.2 07:00 B 10.7 18.5 7.7 08:00 B 11.0 20.9 9.8 09:00 B 12.3 24.2 11.9 10:00 B 11.6 22.9 11.2 11:00 B 10.6 22.2 11.5 12:00 B 9.2 18.5 9.3 13:00 B 9.8 18.5 8.6 14:00 B 10.3 20.3 9.9 15:00 B 9.6 20.6 11.0 16:00 B 9.6 21.8 12.1 17:00 B 9.0 22.0 12.9 18:00 B 10.6 21.0 10.3 19:00 B 12.1 23.1 10.9 20:00 B 14.1 24.1 9.9 21:00 B 14.2 22.2 8.0 22:00 23:00 Average 10.7 20.7 9.9 Max B 14.2 24.2 12.9 Max Hour 21:00 09:00 17:00 Min B 8.5 17.5 7.7 Count 0 22 22 22 Total Date Printed: 11/15/2025 22:01 Daily Summary Report Site: Hattie Avenue (A) 11/15/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 9.2 9.4 .2 01:00 B .2 9.9 10.2 .2 02:00 B .4 13.3 13.8 .1 03:00 B .4 15.2 15.7 .1 04:00 B .5 17.3 17.8 .1 05:00 B .9 15.5 16.5 .1 06:00 B 1.0 17.4 18.4 .0 07:00 B 2.5 17.0 19.6 .0 08:00 B 5.8 15.8 21.6 .1 09:00 B 5.9 15.3 21.2 .2 10:00 B 1.8 8.5 10.4 .1 11:00 B 1.2 6.3 7.5 .1 12:00 B .4 3.8 4.2 .1 13:00 B .2 2.2 2.4 .0 14:00 B .2 3.3 3.6 .0 15:00 B .2 C 3.6 C 3.9 C .1 16:00 B C C C .2 17:00 B .2 C 6.0 C 6.2 C .1 18:00 B .1 5.8 6.0 .1 19:00 B .1 4.8 4.9 .1 C 20:00 B .1 4.3 4.5 C 21:00 B .1 4.2 4.3 .3 C 22:00 23:00 Average 1.0 9.4 10.5 .1 Max B 5.9 17.4 21.6 .3 Max Hour 09:00 06:00 08:00 21:00 Min B .1 2.2 2.4 .0 Count 0 21 21 21 21 Total Date Printed: 11/15/2025 22:01 Daily Summary Report Site: Hattie Avenue (B) 11/15/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 7.9 17.0 9.4 01:00 9.1 17.4 8.5 02:00 9.8 18.4 9.0 03:00 10.9 19.4 8.9 04:00 11.8 20.7 9.4 05:00 12.1 22.4 10.9 06:00 12.4 22.7 10.9 07:00 13.9 26.5 13.3 08:00 14.2 27.2 13.3 09:00 12.5 24.4 11.8 10:00 10.0 22.5 12.1 11:00 11.3 23.1 11.2 12:00 10.6 21.7 10.5 13:00 9.6 22.3 11.9 14:00 9.7 21.8 11.3 15:00 10.0 21.6 11.0 16:00 9.2 21.6 11.8 17:00 9.3 20.0 10.2 18:00 10.2 21.7 11.0 19:00 12.1 24.7 12.1 20:00 13.8 24.6 10.3 21:00 14.1 28.2 13.5 22:00 23:00 Average 11.1 22.2 11.0 Max 14.2 28.2 13.5 Max Hour 08:00 21:00 21:00 Min 7.9 17.0 8.5 Count 22 22 22 Total Date Printed: 11/15/2025 22:01 Daily Summary Report Site: Union Cross 11/15/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 736.7 53.4 31.0 01:00 B 736.4 52.2 30.8 02:00 B 736.2 50.4 30.1 03:00 B 736.1 49.2 30.0 04:00 B 735.9 48.7 30.4 05:00 B 735.9 46.8 29.9 06:00 B 735.8 46.6 30.1 07:00 B 735.9 46.2 30.4 08:00 B 735.5 49.7 32.5 09:00 B 735.1 56.1 36.5 10:00 B 734.5 63.3 42.3 11:00 B 733.7 67.1 45.6 12:00 B 732.7 70.2 48.3 13:00 B 731.8 71.1 49.4 14:00 B 730.9 70.7 48.9 15:00 B 730.4 69.2 48.0 16:00 B 730.0 67.6 46.6 17:00 B 729.7 65.9 45.6 18:00 B 729.4 64.6 45.2 19:00 B 728.8 63.9 45.4 20:00 B 728.2 64.2 47.4 21:00 B 728.0 64.1 48.6 22:00 23:00 Average 733.0 59.1 39.6 Max B 736.7 71.1 49.4 Max Hour 00:00 13:00 13:00 Min B 728.0 46.2 29.9 Count 0 22 22 22 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