Information about air quality in the Czech Republic

Report of improbable daily values

Date	HPLOA Polom (1959)	Flag	VWWYA Walbrzych-Wysockiego (2422) 46 km	VWWYA Walbrzych-Wysockiego (2422) 50 km	VWWYA Walbrzych-Wysockiego (2422) 50 km	VWWYA Walbrzych-Wysockiego (2422) 50 km	VWWYA Walbrzych-Wysockiego (2422) 50 km	VWWYA Walbrzych-Wysockiego (2422) 50 km	VWWYA Walbrzych-Wysockiego (2422) 50 km
2023-07-20	1.3
2023-07-21	1.4
2023-07-22	1.6
2023-07-23	2.2
2023-07-24	4.3
2023-07-25	1.7	p2n2
2023-07-26	1.3
2023-07-27	2.6
2023-07-28	1.8
2023-07-29	2.0
2023-07-30	2.9
2024-07-20	1.7		6.6	6.6	6.6	6.6	6.6	6.6	6.6
2024-07-21	1.0
2024-07-22	0.6
2024-07-23	0.5		6.4	6.4	6.4	6.4	6.4	6.4	6.4
2024-07-24	0.4		6.6	6.6	6.6	6.6	6.6	6.6	6.6
2024-07-25	0.5		6.4	6.4	6.4	6.4	6.4	6.4	6.4
2024-07-26	0.9		6.6	6.6	6.6	6.6	6.6	6.6	6.6
2024-07-27	0.9		6.9	6.9	6.9	6.9	6.9	6.9	6.9
2024-07-28	0.3		6.3	6.3	6.3	6.3	6.3	6.3	6.3
2024-07-29	0.3		6.7	6.7	6.7	6.7	6.7	6.7	6.7
2024-07-30	0.4		7.2	7.2	7.2	7.2	7.2	7.2	7.2

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