Information about air quality in the Czech Republic

Year: 2018

Preliminary overview of the ambient limits exceedances

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

Updated: 2019-06-30 04:46 CEST

Values given regardless of whether the number of valid measurement meets the criteria for calculating the aggregated data (annual average).

Description Value
Purpose: Health protection
Pollutant: SO2 - sulphur dioxide
Averaging interval: 1 hour
Unit: µg/m3
Ambient limit: 350
Max. permissible number of exceedances: 24
Owner: ČHMÚ
Data supplier: CHMI-brand Ostrava AIM
Code of the measuring programme: TOFFA
Locality: Ostrava-Fifejdy
Sequence Date Value
1 2018-01-06 22:00 439.7
2 2018-01-11 09:00 633.8
3 2018-01-11 10:00 1564.8
4 2018-01-27 08:00 1481.2
5 2018-01-30 14:00 977.3
6 2018-01-30 15:00 817.8
7 2018-01-30 16:00 422.1
8 2018-01-30 18:00 409.8
9 2018-01-30 21:00 511.0
10 2018-02-19 08:00 983.2
11 2018-02-19 09:00 644.2
12 2018-02-20 04:00 501.4
13 2018-03-01 05:00 845.0
14 2018-03-29 15:00 647.9
15 2018-07-17 15:00 363.0
16 2018-07-28 21:00 389.1
17 2018-08-08 08:00 499.0
18 2018-08-24 03:00 414.4
19 2018-09-07 07:00 528.3
20 2018-10-12 08:00 980.5
21 2018-11-08 06:00 375.2
22 2018-11-08 07:00 1014.6