Date Printed: 5/12/2026 08:01 Daily Summary Report Site: Clemmons Middle 5/12/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .009 5.4 9.4 3.9 01:00 .006 5.2 8.8 3.6 02:00 .005 4.9 8.6 3.6 03:00 .004 5.0 10.6 5.6 04:00 .004 6.1 10.7 4.6 05:00 .004 5.7 9.7 3.9 06:00 .005 5.6 9.8 4.1 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 .005 5.4 9.6 4.1 Max .009 6.1 10.7 5.6 Max Hour 00:00 04:00 04:00 03:00 Min .004 4.9 8.6 3.6 Count 7 7 7 7 Total Date Printed: 5/12/2026 08:01 Daily Summary Report Site: Hattie Avenue (A) 5/12/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .008 .3 8.3 8.7 -.3 01:00 .009 .3 5.4 5.7 -.3 02:00 .011 .3 4.2 4.5 -.3 03:00 .003 3.1 9.1 12.2 -.2 04:00 .001 4.1 10.7 14.9 -.2 05:00 .001 10.1 8.0 18.1 -.1 06:00 .006 D 5.8 9.4 15.3 -.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 .005 3.4 7.8 11.3 -.2 Max .011 10.1 10.7 18.1 -.1 Max Hour 02:00 05:00 04:00 05:00 05:00 Min .001 .3 4.2 4.5 -.3 Count 7 7 7 7 7 Total Date Printed: 5/12/2026 08:01 Daily Summary Report Site: Hattie Avenue (B) 5/12/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 7.3 10.5 3.6 01:00 7.6 10.7 3.4 02:00 6.0 9.9 4.3 03:00 5.7 8.7 3.3 04:00 6.1 11.3 5.6 05:00 6.5 10.8 4.7 06:00 6.2 9.8 3.9 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 6.4 10.2 4.1 Max 7.6 11.3 5.6 Max Hour 01:00 04:00 04:00 Min 5.7 8.7 3.3 Count 7 7 7 Total Date Printed: 5/12/2026 08:01 Daily Summary Report Site: Union Cross 5/12/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 .008 741.3 45.1 44.9 01:00 .007 741.1 44.0 44.0 02:00 .005 740.8 42.3 42.3 03:00 .003 740.7 41.0 41.0 04:00 .003 741.0 40.4 40.4 05:00 .005 741.1 39.8 39.8 06:00 .004 741.5 42.4 42.4 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 .005 741.0 42.1 42.1 Max .008 741.5 45.1 44.9 Max Hour 00:00 06:00 00:00 00:00 Min .003 740.7 39.8 39.8 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