Date Printed: 12/30/2025 20:01 Daily Summary Report Site: Clemmons Middle 12/30/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 3.1 6.6 3.5 01:00 B 2.9 5.8 2.8 02:00 B 2.8 5.4 2.6 03:00 B 3.0 6.2 3.2 04:00 B 2.8 5.0 2.2 05:00 B 2.7 5.0 2.2 06:00 B 3.2 6.5 3.2 07:00 B 3.4 6.7 3.3 08:00 B 3.6 7.4 3.7 09:00 B 3.8 7.4 3.6 10:00 B 3.8 7.3 3.4 11:00 B 3.7 6.9 3.2 12:00 B 3.5 6.1 2.5 13:00 B 3.6 6.6 3.0 14:00 B 3.7 6.3 2.5 15:00 B 3.7 6.3 2.6 16:00 B 4.4 8.0 3.5 17:00 B 5.6 10.6 5.0 18:00 B 4.0 7.8 3.8 19:00 B 4.4 7.9 3.5 20:00 21:00 22:00 23:00 Average 3.5 6.7 3.1 Max B 5.6 10.6 5.0 Max Hour 17:00 17:00 17:00 Min B 2.7 5.0 2.2 Count 0 20 20 20 Total Date Printed: 12/30/2025 20:01 Daily Summary Report Site: Hattie Avenue (A) 12/30/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 2.7 3.0 .0 01:00 B .1 2.7 2.9 .0 02:00 B .1 1.8 1.9 -.1 03:00 B .1 2.5 2.6 .0 04:00 B .1 1.9 2.0 .0 05:00 B .1 3.2 3.4 .0 06:00 B .2 5.1 5.4 .0 07:00 B B B B .0 08:00 B B B B .0 09:00 B B B B .0 10:00 B B B B .0 11:00 B B B B -.1 12:00 B .6 1.5 2.2 -.1 13:00 B .6 1.6 2.2 .0 14:00 B .5 1.8 2.3 -.1 15:00 B .4 C 1.9 C 2.4 C .0 16:00 B C C C .0 17:00 B .1 C 4.5 C 4.7 C -.1 18:00 B .2 7.1 7.3 .0 19:00 B .2 4.5 4.7 .0 C 20:00 21:00 22:00 23:00 Average .2 3.0 3.3 .0 Max B .6 7.1 7.3 .0 Max Hour 13:00 18:00 18:00 19:00 Min B .1 1.5 1.9 -.1 Count 0 14 14 14 20 Total Date Printed: 12/30/2025 20:01 Daily Summary Report Site: Hattie Avenue (B) 12/30/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 3.1 6.2 3.4 01:00 3.1 7.2 4.6 02:00 2.8 5.9 3.4 03:00 3.8 7.2 3.8 04:00 3.1 6.7 4.1 05:00 3.4 6.2 3.2 06:00 3.7 6.1 2.8 07:00 3.9 7.6 4.2 08:00 4.3 7.5 3.7 09:00 3.9 7.0 3.4 10:00 3.8 6.7 3.2 11:00 3.8 6.5 2.9 12:00 3.9 8.2 4.6 13:00 3.9 7.2 3.5 14:00 3.6 7.8 4.4 15:00 3.5 6.9 3.6 16:00 3.7 7.0 3.6 17:00 3.9 7.2 3.7 18:00 4.6 8.9 4.7 19:00 4.5 7.9 3.8 20:00 21:00 22:00 23:00 Average 3.7 7.0 3.7 Max 4.6 8.9 4.7 Max Hour 18:00 18:00 18:00 Min 2.8 5.9 2.8 Count 20 20 20 Total Date Printed: 12/30/2025 20:01 Daily Summary Report Site: Union Cross 12/30/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 734.5 29.6 13.3 01:00 B 734.6 29.0 13.1 02:00 B 734.8 27.9 11.7 03:00 B 734.8 27.1 11.5 04:00 B 734.9 26.4 11.1 05:00 B 735.2 25.7 10.6 06:00 B 736.0 25.1 9.9 07:00 B 736.3 24.6 9.2 08:00 B 736.6 25.7 9.5 09:00 B 737.2 27.7 9.6 10:00 B 737.5 29.8 10.0 11:00 B 736.8 31.8 10.7 12:00 B 736.1 33.6 11.0 13:00 B 735.6 35.5 11.8 14:00 B 735.2 37.1 12.3 15:00 B 735.3 37.7 12.1 16:00 B 735.3 37.4 12.2 17:00 B 735.8 35.5 11.5 18:00 B 736.0 33.9 10.6 19:00 B 736.2 32.8 10.2 20:00 21:00 22:00 23:00 Average 735.7 30.6 11.0 Max B 737.5 37.7 13.3 Max Hour 10:00 15:00 00:00 Min B 734.5 24.6 9.2 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