Information about air quality in the Czech Republic
Report of improbable daily values
Period: 2023-07-01 - 2023-12-31
Component: NO
Organization: Czech Hydrometeorological Institute
Measuring programme: ACHOA - Praha 4-Chodov
Updated: 2024-11-24 03:37 CET
Date |
ACHOA
Praha 4-Chodov (2118) |
Flag |
APRUA
Praha 10-Prumyslova (1539) 3 km |
ALIBA
Praha 4-Libus (774) 5 km |
ASROA
Praha 10-Srobarova (2140) 5 km |
AVRSA
Praha 10-Vrsovice (805) 6 km |
ALEGA
Praha 2-Legerova (1483) 7 km |
ARIEA
Praha 2-Riegrovy sady (772) 7 km |
AKALA
Praha 8-Karlin (1519) 8 km |
---|---|---|---|---|---|---|---|---|---|
2023-07-03 | 0.6 | 12.9 | 0.6 | 2.0 | 1.3 | 7.2 | 0.7 | 2.4 | |
2023-07-04 | 0.7 | 13.7 | 0.5 | 2.0 | 1.8 | 10.1 | 0.9 | 2.1 | |
2023-07-05 | 0.6 | 9.8 | 0.5 | 2.1 | 1.3 | 8.4 | 0.7 | 2.7 | |
2023-07-06 | 0.7 | 4.6 | 0.6 | 2.0 | 1.1 | 15.6 | 0.9 | 1.4 | |
2023-07-07 | 2.7 | 12.8 | 0.9 | 2.9 | 2.3 | 2.0 | 2.9 | ||
2023-07-08 | 0.6 | p2n2 | 1.1 | 0.5 | 2.0 | 1.1 | 0.7 | 1.3 | |
2023-07-09 | 0.6 | 1.7 | 0.7 | 2.0 | 1.1 | 1.0 | 1.9 | ||
2023-07-10 | 1.0 | 11.8 | 1.2 | 2.0 | 1.8 | 1.2 | 3.5 | ||
2023-07-11 | 1.0 | 9.6 | 0.9 | 2.0 | 1.8 | 20.7 | 1.1 | 2.8 | |
2023-07-12 | 0.6 | 10.6 | 0.5 | 2.0 | 1.1 | 8.5 | 0.5 | 1.8 | |
2023-07-13 | 0.6 | 7.0 | 0.6 | 2.0 | 0.6 | 10.7 | 0.5 | 0.9 | |
2023-10-20 | 4.9 | 18.3 | 6.2 | 8.6 | 19.6 | 61.1 | 11.9 | 32.0 | |
2023-10-21 | 1.1 | 17.5 | 2.4 | 6.3 | 25.2 | 53.3 | 6.5 | 28.8 | |
2023-10-22 | 0.7 | 6.6 | 0.6 | 2.0 | 2.2 | 11.8 | 0.8 | 5.6 | |
2023-10-23 | 1.3 | 28.8 | 4.6 | 3.9 | 10.3 | 37.8 | 2.7 | 15.1 | |
2023-10-24 | 12.8 | 37.6 | 7.1 | 10.6 | 22.5 | 64.3 | 23.3 | ||
2023-10-25 | 1.9 | p2n2 | 25.9 | 2.9 | 7.1 | 16.2 | 48.8 | 18.5 | |
2023-10-26 | 0.6 | 19.6 | 1.0 | 2.0 | 3.6 | 13.7 | 0.7 | 9.2 | |
2023-10-27 | 1.7 | 29.5 | 2.4 | 3.3 | 8.1 | 29.8 | 2.7 | 14.6 | |
2023-10-28 | 0.5 | 5.3 | 0.5 | 2.0 | 3.1 | 18.5 | 0.6 | 3.2 | |
2023-10-29 | 0.6 | 3.9 | 1.0 | 2.0 | 4.5 | 34.4 | 1.2 | 5.7 | |
2023-10-30 | 3.3 | 19.0 | 2.6 | 4.3 | 11.4 | 43.7 | 4.0 | 18.5 | |
2023-11-27 | 0.9 | 29.3 | 1.7 | 2.8 | 7.4 | 42.3 | 2.0 | 14.1 | |
2023-11-28 | 2.9 | 36.5 | 3.8 | 4.3 | 7.8 | 40.1 | 3.6 | 5.2 | |
2023-11-29 | 1.6 | 24.4 | 1.7 | 2.8 | 8.4 | 27.5 | 2.0 | 6.7 | |
2023-11-30 | 3.4 | 23.3 | 5.5 | 10.5 | 22.2 | 80.0 | 14.2 | 26.4 | |
2023-12-02 | 1.3 | p2n2 | |||||||
2024-01-09 | 20.8 | p1 | 93.3 | 18.9 | 90.3 | 102.2 | 26.0 | 18.7 | |
2024-01-10 | 10.9 | 36.6 | 19.5 | 61.0 | 81.8 | 26.7 | 24.4 | ||
2024-01-11 | 12.6 | 90.0 | 11.3 | 36.7 | 64.8 | 29.2 | 54.9 | ||
2024-01-12 | 2.3 | 36.7 | 2.2 | 10.6 | 16.0 | 2.0 | 7.9 | ||
2024-01-13 | 0.5 | 8.2 | 0.9 | 3.9 | 4.5 | 0.9 | 5.7 | ||
2024-01-14 | 0.7 | 6.8 | 0.9 | 3.3 | 1.1 | 4.2 | |||
2024-01-24 | 0.5 | 17.7 | 0.6 | 2.0 | 2.4 | 4.1 | 0.7 | 5.4 | |
2024-01-25 | 0.6 | 15.5 | 0.6 | 2.0 | 2.9 | 3.6 | 0.7 | 3.3 | |
2024-01-26 | 0.9 | 24.9 | 1.6 | 3.0 | 7.3 | 26.2 | 1.9 | 7.2 | |
2024-01-27 | 0.5 | 8.7 | 0.6 | 2.0 | 3.9 | 7.2 | 0.8 | 7.9 | |
2024-01-28 | 2.5 | 19.0 | 5.2 | 6.4 | 38.0 | 47.5 | 5.9 | 16.2 | |
2024-01-29 | 34.2 | p1 | 73.8 | 27.2 | 46.7 | 90.6 | 116.6 | 48.4 | 35.1 |
2024-01-30 | 26.8 | 46.2 | 18.5 | 15.4 | 30.9 | 64.4 | 13.8 | 15.5 | |
2024-01-31 | 24.0 | 84.9 | 17.1 | 69.0 | 96.2 | 108.0 | 59.3 | 77.7 | |
2024-02-01 | 0.8 | n1 | 27.4 | 0.8 | 2.0 | 10.8 | 7.5 | 1.2 | 18.9 |
2024-02-02 | 0.7 | 22.0 | 1.1 | 2.0 | 5.2 | 20.1 | 1.2 | 6.4 | |
2024-02-03 | 0.5 | 8.8 | 0.6 | 2.0 | 2.5 | 2.2 | 0.6 | 4.2 | |
2024-02-04 | 0.5 | 6.2 | 0.5 | 2.0 | 2.2 | 2.3 | 0.5 | 3.1 | |
2024-02-05 | 0.5 | 17.0 | 0.7 | 2.0 | 2.7 | 3.4 | 0.7 | 4.6 | |
2024-02-06 | 0.5 | 22.8 | 0.7 | 2.0 | 3.4 | 2.4 | 0.6 | 5.4 | |
2024-02-26 | 17.8 | 81.2 | 10.5 | 27.3 | 38.2 | 48.7 | 15.4 | 19.4 | |
2024-02-27 | 10.1 | 48.7 | 5.7 | 16.9 | 15.1 | 43.8 | 11.1 | 17.7 | |
2024-02-28 | 1.7 | 28.9 | 2.7 | 2.2 | 11.7 | 39.1 | 5.1 | 3.6 | |
2024-02-29 | 15.0 | 47.3 | 21.0 | 18.7 | 53.4 | 93.0 | 24.5 | 25.3 | |
2024-03-01 | 24.2 | 52.7 | 23.9 | 20.1 | 36.2 | 78.9 | 23.6 | 26.6 | |
2024-03-02 | 0.6 | n1 | 2.9 | 1.9 | 3.6 | 11.6 | 43.7 | 3.1 | 14.8 |
2024-03-03 | 0.5 | 2.7 | 2.1 | 2.2 | 26.8 | 45.8 | 7.0 | 12.8 | |
2024-03-04 | 6.2 | 48.6 | 5.1 | 18.7 | 21.1 | 46.7 | 13.5 | 20.0 | |
2024-03-05 | 1.2 | 16.8 | 1.5 | 2.0 | 2.4 | 30.7 | 1.5 | 1.1 | |
2024-03-06 | 2.2 | 10.5 | 3.5 | 3.1 | 3.2 | 29.6 | 3.4 | 3.0 | |
2024-03-07 | 0.6 | 4.4 | 0.7 | 2.0 | 1.3 | 25.2 | 1.2 | 1.9 | |
2024-04-03 | 0.5 | 16.4 | 0.6 | 2.0 | 3.6 | 10.5 | 0.8 | 3.2 | |
2024-04-04 | 0.6 | 15.7 | 0.7 | 2.0 | 2.8 | 6.3 | 0.8 | 3.7 | |
2024-04-05 | 0.8 | 11.7 | 0.7 | 2.0 | 3.7 | 17.1 | 1.1 | 4.2 | |
2024-04-06 | 0.6 | 6.8 | 0.8 | 3.2 | 8.8 | 21.8 | 1.0 | 21.1 | |
2024-04-07 | 0.5 | 8.6 | 0.5 | 3.9 | 10.6 | 16.9 | 1.0 | 13.7 | |
2024-04-08 | 5.3 | p1 | 22.2 | 2.0 | 8.0 | 20.1 | 60.3 | 8.1 | 16.3 |
2024-04-09 | 1.0 | 7.1 | 3.6 | 2.4 | 6.9 | 30.2 | 1.9 | 4.5 | |
2024-04-10 | 1.2 | 29.8 | 0.8 | 4.0 | 5.7 | 13.4 | 1.4 | 5.8 | |
2024-04-11 | 2.2 | 41.0 | 3.2 | 9.7 | 8.8 | 28.6 | 4.7 | 15.8 | |
2024-04-12 | 1.0 | 31.1 | 1.5 | 2.8 | 3.9 | 20.8 | 2.4 | 8.6 | |
2024-04-13 | 0.7 | 6.6 | 0.7 | 2.0 | 2.2 | 11.7 | 0.7 | 3.5 | |
2024-07-03 | 0.9 | 9.7 | 0.6 | 2.0 | 1.6 | 16.5 | 0.8 | 2.0 | |
2024-07-04 | 0.7 | 11.7 | 0.5 | 2.0 | 1.8 | 3.7 | 0.6 | 2.2 | |
2024-07-05 | 0.6 | 5.1 | 0.5 | 2.3 | 2.6 | 10.8 | 1.2 | 2.5 | |
2024-07-06 | 0.9 | 4.1 | 0.8 | 3.2 | 3.0 | 15.7 | 1.3 | 3.2 | |
2024-07-07 | 0.7 | 2.7 | 0.5 | 2.0 | 1.9 | 0.6 | 3.5 | ||
2024-07-08 | 1.9 | 16.9 | 1.5 | 3.2 | 4.6 | 3.2 | 6.4 | ||
2024-07-09 | 2.3 | 11.7 | 2.2 | 3.7 | 5.0 | 28.1 | 4.1 | 5.6 | |
2024-07-10 | 0.9 | 8.7 | 0.8 | 2.6 | 3.1 | 21.2 | 1.0 | 1.9 | |
2024-07-11 | 1.7 | 14.8 | 0.9 | 2.8 | 3.3 | 19.2 | 1.5 | 3.6 | |
2024-07-12 | 1.4 | 4.2 | 1.6 | 2.5 | 3.1 | 25.2 | 1.6 | 3.6 | |
2024-07-13 | 0.6 | 3.1 | 0.5 | 2.0 | 1.6 | 8.0 | 0.6 | 1.5 |
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 |