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ISKO
Information about air quality in the Czech Republic
Report of improbable daily values

Period: 2023-12-01 - 2023-12-31

Component: NOₓ

Updated: 2025-04-30 04:27 CEST

Organization: Czech Hydrometeorological Institute
Measuring programme Date Value CAS1 CAS2 Flag Method
PKUJA Kamenny Ujezd (1936) 2023-12-04 67.0 369 369 p1 CHLM
TBKRA Bily Kriz (1214) 2023-12-08 7.5 373 373 p2n2 CHLM
TCERA Cervena hora (1568) 2023-12-08 9.9 373 373 p2n2 CHLM
TOPOA Ostrava-Poruba CHMU (1939) 2023-12-09 16.0 374 374 n1 CHLM
TVERA Vernovice-Dolni Lutyne (1072) 2023-12-09 25.7 374 374 n1 CHLM
BBNYA Brno-Turany (1130) 2023-12-18 146.5 383 383 p1 CHLM

Legend

ICAS1 Number of days from the beginning of the year
ICAS2 Number of days from last error
dn Missing difference, value bigger than 500.0
nmed Less than 10 differencies in area (missing median)
d0 Zero difference
n2p2 Big rise followed by big fall
p2n2 Big fall followed by big rise
p3p3 Two big consecutive rises
n3n3 Two big consecutive falls
p1 Extremely big rise
n1 Extremely big fall