Information about air quality in the Czech Republic

Year: 2020, Others

The number of ambient limit value exceedances,
red marked exceeded the ambient limit value

calculated of both operational data (yet unverified) and verified data

Updated: 2021-01-21 04:38 CET

The values are from all active stations regardless of whether the number of valid measurement meets the criteria for calculating the aggregated data (annual average).

For the completeness and quality of data is responsible the data supplier, not the CHMI.

Completeness of data – completeness of measured data supplied to AQIS database to the day of table update (in percentage).

Purpose: Health protection
Pollutant Averaging interval Ambient limit Max. permissible number of exceedances Unit
SO₂ 1 hour 350 24 µg/m³
The limit was not exceeded at the given the period
Pollutant Averaging interval Ambient limit Max. permissible number of exceedances Unit
SO₂ 24 hours 125 3 µg/m³
The limit was not exceeded at the given the period
Pollutant Averaging interval Ambient limit Max. permissible number of exceedances Unit
NO₂ 1 hour 200 18 µg/m³
Sequence Code Name Owner Data supplier Number of exceedances Maximum concentrations Completeness of data
1 TNSVA Nošovice ONOS ENVItech Bohemia s.r.o. 1 206.4 99.7
Pollutant Averaging interval Ambient limit Max. permissible number of exceedances Unit
CO 8 hours 10000 0 µg/m³
The limit was not exceeded at the given the period
Pollutant Averaging interval Ambient limit Max. permissible number of exceedances Unit
PM₁₀ 24 hours 50 35 µg/m³
Sequence Code Name Owner Data supplier Number of exceedances Maximum concentrations Completeness of data
1 BBMKA Brno-Zvonařka SMBrno Statutory City of Brno 50 136.1 97.0
2 TOREK Ostrava-Radvanice ZÚ ZÚ, SMOva KHS-Ostrava 36 119.0 94.9
3 ZZZSA Zlín - ZŠ Kvítkova MZLl ENVItech Bohemia s.r.o. 18 69.1 100.0
4 MPHRA Hranice MHRA ENVItech Bohemia s.r.o. 16 76.6 99.5
5 BBMSA Brno-Svatoplukova SMBrno Statutory City of Brno 15 94.1 96.9
6 TKAOK Karviná-ZÚ ZÚ-Ostrava ZU-Ostrava 14 138.3 93.2
7 TNSVA Nošovice ONOS ENVItech Bohemia s.r.o. 13 135.4 99.7
8 TOROK Ostrava-Radvanice OZO ZÚ, SMOva KHS-Ostrava 13 108.9 95.6
9 MLOSA Loštice OLOŠ ENVItech Bohemia s.r.o. 13 75.8 100.0
10 BBNAA Brno-Masná ZÚ-Ostrava ZU-Ostrava 12 102.9 89.7
11 TOPDA Ostrava-Poruba, DD ZÚ, SMOva KHS-Ostrava 10 106.1 99.6
12 BBMLA Brno-Lány SMBrno Statutory City of Brno 10 72.4 96.1
13 THAOA Havířov ZÚ, SMHa ZU-Ostrava 8 103.8 99.6
14 TOMHK Ostrava-Mariánské Hory ZÚ, SMOva KHS-Ostrava 6 83.8 98.6
15 BMOCA Sivice Českomorav Ceskomoravsky cement a.s. 6 71.7 100.0
16 HHKSA Hr.Král.-Sukovy sady ZÚ Ústí nL ZU se sidlem v Usti n. L. 5 65.0 98.5
17 BBMVA Brno-Výstaviště SMBrno Statutory City of Brno 5 59.2 97.0
18 MSMSA Šumperk - 5.ZŠ MŠUM ENVItech Bohemia s.r.o. 4 82.5 100.0
19 BBMAA Brno-Arboretum SMBrno Statutory City of Brno 4 63.8 97.0
20 ZOTMA Otrokovice-město MOTRO ENVItech Bohemia s.r.o. 4 57.4 100.0
21 JZNZA Ždár nad Sázavou ZÚ-Ostrava ZU-Ostrava, prac. Jihlava 4 57.0 90.4
22 BHODA Hodonín ZÚ-Ostrava ZU-Ostrava 3 92.8 95.5
23 JJIZA Jihlava-Znojemská ZÚ-Ostrava ZU se sidlem v Ostravě-Centrum hyg.lab., prac.Jihlava 3 92.0 95.0
24 JPEMA Pelhřimov ZÚ-Ostrava ZU- Ostrava, prac. Jihlava 3 83.2 97.3
25 UDROA Droužkovice ČEZ ORGREZ,a.s. 3 60.2 90.7
26 UKOSA Kostomlaty pod Mileš. ČEZ ORGREZ,a.s. 2 76.5 90.6
27 MOLSA Olomouc-Šmeralova ZÚ-Ostrava ZU se sidlem v Ostravě-CHL 2 68.0 90.3
28 UMLAA Milá ČEZ ORGREZ,a.s. 2 51.0 90.6
29 KCHEM Cheb-ESKA HEL Cheb Hygienic and ecological laboratories s.r.o. 1 62.0 63.9
30 UNVDA Nová Víska u Domašína ČEZ ORGREZ,a.s. 1 50.9 89.8