PGN QC Report March-May 2026

Report date: 2026-05-31

Section 1: Data Availability

Data availability is calculated as processed p1-8 days divided by L0 available days for PGN instruments only. Non-PGN instruments are excluded before calculating the statistics.

Spectrometer 1

Data availability is summarized as processed p1-8 days divided by L0 available days. The section shows PGN summary and status counts. Status thresholds are: best ≥90%, good 70-90%, medium 50-70%, and low <50%.

231
PGN Pandora rows
211
Best ≥90%
9
Good 70-90%
3
Medium 50-70%
8
Low <50%

Section 2: Quality Controlled Data Coverage

QC coverage is calculated as quality-assured L0 days divided by L0 available days for each PanSel.

231
PGN rows
35
Best ≥90%
26
Good 70-90%
8
Medium 50-70%
162
Low <50%

QC coverage timeline, ordered highest to lowest

Section 3: Network-wide Cumulative QC Coverage through 31-May-2026

This image summarizes cumulative QC-covered L0 days and cumulative L0 days without QC across the PGN using custom 3-month reporting periods (Dec-Feb, Mar-May, Jun-Aug, Sep-Nov). The latest cumulative QC coverage is 37.6%.

Network-wide cumulative QC coverage time-series

Section 4: QC performed dates by reporting period through 31-May-2026

This panel shows when active QC periods were performed/registered. Each instrument is counted only once per reporting period, even if multiple QC dates exist for the same instrument in that period. It is grouped into the custom 3-month reporting periods Dec-Feb, Mar-May, Jun-Aug, and Sep-Nov. Jun-Aug 2025 shows the highest QC activity due to the SKYDATA QC campaign.In the latest completed period (Mar-May 2026), there were 20 unique instruments with active QC dates across 20 unique instruments and 20 instrument/spectrometer/location combinations.

QC performed dates by custom 3-month reporting period