Date Printed: 4/23/2026 08:01 Daily Summary Report Site: Clemmons Middle 4/23/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .030 8.7 15.9 7.2 01:00 .025 9.1 15.7 6.5 02:00 .019 10.1 18.3 8.1 03:00 .017 10.2 16.9 6.7 04:00 .014 10.1 18.0 7.8 05:00 .007 10.2 17.3 7.1 06:00 .007 11.9 39.0 27.1 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .017 10.0 20.1 10.0 Max .030 11.9 39.0 27.1 Max Hour 00:00 06:00 06:00 06:00 Min .007 8.7 15.7 6.5 Count 7 7 7 7 Total Date Printed: 4/23/2026 08:01 Daily Summary Report Site: Hattie Avenue (A) 4/23/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .028 .2 7.2 7.4 .1 01:00 .024 .3 8.6 8.9 .0 02:00 .015 .4 18.8 19.2 .0 03:00 .013 .5 17.8 18.4 .0 04:00 .016 .5 14.6 15.2 .0 05:00 .008 2.1 18.2 20.4 .0 06:00 .004 13.0 20.1 33.2 .2 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .015 2.4 15.0 17.5 .0 Max .028 13.0 20.1 33.2 .2 Max Hour 00:00 06:00 06:00 06:00 06:00 Min .004 .2 7.2 7.4 .0 Count 7 7 7 7 7 Total Date Printed: 4/23/2026 08:01 Daily Summary Report Site: Hattie Avenue (B) 4/23/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 9.2 19.7 10.5 01:00 9.8 19.3 9.6 02:00 11.4 35.1 23.9 03:00 12.0 30.5 18.7 04:00 11.2 22.0 11.0 05:00 11.1 20.5 9.6 06:00 11.7 21.5 10.0 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 10.9 24.0 13.3 Max 12.0 35.1 23.9 Max Hour 03:00 02:00 02:00 Min 9.2 19.3 9.6 Count 7 7 7 Total Date Printed: 4/23/2026 08:01 Daily Summary Report Site: Union Cross 4/23/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .027 737.2 61.5 48.6 01:00 .023 736.8 58.4 48.1 02:00 .016 736.7 55.9 48.2 03:00 .013 736.9 55.4 47.9 04:00 .014 736.9 55.7 47.5 05:00 .015 737.2 55.0 47.1 06:00 .012 737.6 54.7 47.9 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .017 737.0 56.6 47.9 Max .027 737.6 61.5 48.6 Max Hour 00:00 06:00 00:00 00:00 Min .012 736.7 54.7 47.1 Count 7 7 7 7 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