Date Printed: 1/11/2026 20:01 Daily Summary Report Site: Clemmons Middle 1/11/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 3.9 7.5 3.6 01:00 B 3.8 7.5 3.7 02:00 B 1.8 4.9 3.0 03:00 B 1.5 4.2 2.7 04:00 B 2.3 5.9 3.6 05:00 B 3.0 5.9 2.8 06:00 B 3.3 5.7 2.4 07:00 B 2.6 3.7 1.1 08:00 B 1.9 3.2 1.3 09:00 B 1.9 4.1 2.1 10:00 B 1.9 3.6 1.7 11:00 B 1.9 3.3 1.4 12:00 B 2.2 3.4 1.2 13:00 B 1.8 3.4 1.5 14:00 B 1.5 3.2 1.7 15:00 B 1.3 2.8 1.5 16:00 B 1.7 2.7 .9 17:00 B 2.2 3.0 .8 18:00 B 2.0 2.6 .5 19:00 B 2.0 3.0 .9 20:00 21:00 22:00 23:00 Average 2.2 4.1 1.9 Max B 3.9 7.5 3.7 Max Hour 00:00 01:00 01:00 Min B 1.3 2.6 .5 Count 0 20 20 20 Total Date Printed: 1/11/2026 20:01 Daily Summary Report Site: Hattie Avenue (A) 1/11/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 2.2 2.3 .1 01:00 B .1 2.5 2.6 .0 02:00 B .0 1.4 1.5 .1 03:00 B .0 1.5 1.5 .1 04:00 B .0 1.5 1.5 .1 05:00 B .0 1.1 1.2 .0 06:00 B .0 1.2 1.2 .0 07:00 B .1 1.5 1.6 .0 08:00 B .2 1.5 1.7 .0 09:00 B .3 1.2 1.6 .0 10:00 B .3 1.1 1.4 .1 11:00 B .2 1.3 1.5 .1 12:00 B .3 1.4 1.7 .0 13:00 B .2 1.4 1.7 .0 14:00 B .2 1.1 1.4 .0 15:00 B .2 C 1.1 C 1.3 C .0 16:00 B C C C .0 17:00 B .1 C 2.5 C 2.7 C .0 18:00 B .1 2.4 2.5 .0 19:00 B .1 2.6 2.7 .0 C 20:00 21:00 22:00 23:00 Average .1 1.6 1.7 .0 Max B .3 2.6 2.7 .1 Max Hour 12:00 19:00 19:00 11:00 Min B .0 1.1 1.2 .0 Count 0 19 19 19 20 Total Date Printed: 1/11/2026 20:01 Daily Summary Report Site: Hattie Avenue (B) 1/11/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 2.7 5.9 3.2 01:00 2.5 6.6 4.0 02:00 1.3 4.1 2.7 03:00 1.9 6.2 4.3 04:00 2.6 7.2 4.6 05:00 3.2 6.6 3.5 06:00 3.3 5.4 2.1 07:00 3.0 4.5 1.6 08:00 2.4 3.6 1.3 09:00 1.8 3.4 1.6 10:00 1.8 4.2 2.4 11:00 1.9 5.1 3.2 12:00 2.1 4.3 2.2 13:00 1.7 3.5 1.9 14:00 1.3 3.2 1.9 15:00 1.3 4.1 2.9 16:00 1.4 3.6 2.3 17:00 1.9 2.5 .7 18:00 2.2 3.6 1.6 19:00 2.3 3.4 1.2 20:00 21:00 22:00 23:00 Average 2.1 4.5 2.4 Max 3.3 7.2 4.6 Max Hour 06:00 04:00 04:00 Min 1.3 2.5 .7 Count 20 20 20 Total Date Printed: 1/11/2026 20:01 Daily Summary Report Site: Union Cross 1/11/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 733.2 62.9 57.7 01:00 B 733.1 61.3 57.0 02:00 B 733.5 59.6 51.3 03:00 B 733.8 56.8 45.0 04:00 B 733.8 55.6 41.0 05:00 B 734.2 52.9 36.4 06:00 B 734.9 50.0 33.2 07:00 B 735.4 47.5 31.5 08:00 B 736.1 46.6 28.5 09:00 B 736.6 46.5 27.5 10:00 B 737.0 47.0 25.5 11:00 B 736.9 46.9 24.7 12:00 B 737.2 44.9 24.9 13:00 B 737.8 43.6 24.5 14:00 B 739.1 41.5 19.7 15:00 B 739.9 41.6 16.5 16:00 B 740.9 38.5 14.0 17:00 B 741.4 36.7 13.2 18:00 B 742.0 35.7 13.2 19:00 B 742.8 34.4 13.7 20:00 21:00 22:00 23:00 Average 736.9 47.5 29.9 Max B 742.8 62.9 57.7 Max Hour 19:00 00:00 00:00 Min B 733.1 34.4 13.2 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