Date Printed: 9/18/2025 14:01 Daily Summary Report Site: Clemmons Middle 9/18/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .020 5.3 8.6 3.3 01:00 .018 4.7 7.5 2.7 02:00 .013 4.6 8.3 3.7 03:00 .008 4.7 7.6 2.9 04:00 .005 4.7 7.8 3.1 05:00 .002 4.7 8.2 3.4 06:00 .001 5.5 22.1 16.5 07:00 .006 4.9 11.8 6.8 08:00 .015 4.9 10.4 5.5 09:00 .027 4.8 11.1 6.3 10:00 .038 4.9 9.8 4.8 11:00 .043 5.5 10.8 5.3 12:00 .045 4.7 9.7 4.9 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .018 4.9 10.2 5.3 Max .045 5.5 22.1 16.5 Max Hour 12:00 11:00 06:00 06:00 Min .001 4.6 7.5 2.7 Count 13 13 13 13 Total Date Printed: 9/18/2025 14:01 Daily Summary Report Site: Hattie Avenue (A) 9/18/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .017 .5 3.5 4.0 .0 01:00 .013 .6 3.7 4.3 .0 02:00 .010 .4 3.7 4.2 .0 03:00 .007 .4 3.7 4.2 .0 04:00 .008 .4 3.0 3.5 .0 05:00 .003 1.2 5.3 6.6 .0 06:00 .001 8.2 7.5 15.7 .1 07:00 .008 9.7 8.5 18.2 .1 08:00 .023 1.4 3.8 5.3 .0 09:00 .031 1.4 4.0 5.4 .1 10:00 .043 .5 2.4 2.9 .1 11:00 .047 .3 2.1 2.5 .1 D 12:00 .049 .3 2.0 2.4 D 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .020 1.9 4.0 6.0 .0 Max .049 9.7 8.5 18.2 .1 Max Hour 12:00 07:00 07:00 07:00 11:00 Min .001 .3 2.0 2.4 .0 Count 13 13 13 13 12 Total Date Printed: 9/18/2025 14:01 Daily Summary Report Site: Hattie Avenue (B) 9/18/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 4.8 8.3 3.4 01:00 4.7 7.6 2.8 02:00 4.7 7.5 2.7 03:00 5.7 10.0 4.2 04:00 7.0 10.7 3.5 05:00 7.5 12.1 4.5 06:00 6.6 11.6 4.9 07:00 5.7 12.4 6.4 08:00 5.2 10.5 5.1 09:00 D D D 10:00 D D D 11:00 6.1 12.4 5.7 12:00 4.5 10.2 5.2 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average 5.6 10.3 4.4 Max 7.5 12.4 6.4 Max Hour 05:00 11:00 07:00 Min 4.5 7.5 2.7 Count 11 11 11 Total Date Printed: 9/18/2025 14:01 Daily Summary Report Site: Union Cross 9/18/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .016 737.2 64.6 63.8 01:00 .011 736.9 64.4 63.5 02:00 .009 736.9 64.4 63.9 03:00 .009 737.0 63.8 63.4 04:00 .005 737.3 62.9 62.7 05:00 .003 737.7 62.0 62.0 06:00 .004 738.0 61.9 62.0 07:00 .008 738.4 63.4 63.4 08:00 .019 738.6 66.8 64.9 09:00 .027 738.6 71.5 64.1 10:00 .040 738.4 75.2 63.8 11:00 .050 738.1 77.8 63.1 12:00 .052 737.6 80.4 63.3 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average .019 737.7 67.6 63.3 Max .052 738.6 80.4 64.9 Max Hour 12:00 09:00 12:00 08:00 Min .003 736.9 61.9 62.0 Count 13 13 13 13 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