NOₓ - nitrogen oxides

Monthly and annual air pollution characteristics


Year: 2021
Region: Moravskoslezsky
District: Ostrava-mesto
Matter: NOₓ - nitrogen oxides
Unit: µg/m³
MP Code Organization Type of measuring programme Monthly values Annual values
Old ISKO number 1 2 3 4 5 6 7 8 9 10 11 12 Max. 95% Kv 50% Kv X S N
Locality Method Date 98% Kv XG SG dv
TOCBA
Detail
200402
CHMI
(1572)
Ostrava-Ceskobratrsk
Automated measuring program
CHLM
Xm 64.2 69.0 57.4 50.6 41.9 52.6 41.0 41.8 60.3 72.3 65.4 71.3 176.1 108.4 52.9 57.4 26.18 350
mc 31 28 31 30 28 28 31 29 27 26 30 31 18.02. 132.4 51.9 1.56 3
TOFFA
Detail
40560
CHMI
(1061)
Ostrava-Fifejdy
Automated measuring program
CHLM
Xm 33.4 34.6 26.0 20.0 14.5 19.7 16.9 17.4 28.4 29.3 29.0 35.1 94.1 60.3 20.7 25.4 15.85 362
mc 31 28 31 30 28 30 31 31 30 31 30 31 18.02. 71.4 21.8 1.69 2
TOHOA
Detail
1631739
ZU, MSK
(2330)
Ostrava-Hostalkovice
Automated measuring program
CHLM
Xm 17.6 19.0 20.4 14.8 9.0 13.1 9.7 10.0 12.2 21.4 18.9 26.8 81.6 34.4 13.8 16.1 10.41 350
mc 30 28 31 26 31 28 28 31 28 28 30 31 15.12. 46.7 13.5 1.80 4
TOMHK
Detail
780789
SMOstrava
(1649)
Ostrava-Marianske Ho
Combination measuring program
CHLM
Xm 29.4 31.9 19.7 16.6 12.2 12.5 12.7 11.3 20.7 25.7 28.6 32.0 79.2 51.8 17.2 21.2 13.74 355
mc 31 28 31 26 31 26 30 30 30 31 30 31 01.02. 61.9 18.0 1.75 4
TOPDA
Detail
1317208
SMOstrava
(2042)
Ostrava-Poruba DD
Automated measuring program
CHLM
Xm 34.6 35.9 28.3 20.0 25.1 22.1 22.2 24.9 33.0 34.1 39.7 50.5 121.3 62.1 27.0 30.8 17.19 355
mc 31 28 31 30 31 30 27 31 30 29 30 27 13.12. 75.1 26.9 1.67 4
TOPOA
Detail
1022074
CHMI
(1939)
Ostrava-Poruba CHMU
Automated measuring program
CHLM
Xm 25.9 30.5 19.4 13.9 10.4 11.7 10.5 11.0 15.7 17.7 23.2 33.8 91.0 43.0 15.0 18.6 13.53 358
mc 31 28 31 30 29 27 30 31 30 30 30 31 15.12. 64.3 15.6 1.77 2
TOPRA
Detail
40996
CHMI
(1410)
Ostrava-Privoz
Automated measuring program
CHLM
Xm 42.5 46.5 39.9 24.7 21.2 19.9 19.5 20.1 29.5 40.6 40.0 43.8 113.8 74.7 26.6 32.3 19.63 360
mc 31 28 31 29 31 29 31 30 28 31 30 31 18.02. 88.9 27.6 1.76 2
TOROK
Detail
1021660
SMOstrava
(1940)
Ostrava-Radvanice OZO
Combination measuring program
CHLM
Xm 33.0 32.2 24.8 17.7 16.8 13.3 12.2 15.6 18.1 24.6 26.6 35.5 92.6 46.4 19.4 22.6 13.20 358
mc 31 26 31 30 31 27 31 30 30 31 29 31 13.12. 60.3 19.2 1.76 3
TOREK
Detail
780836
SMOstrava
(1650)
Ostrava-Radvanice ZU
Combination measuring program
CHLM
Xm 41.4 48.4 31.7 22.6 20.9 12.5 15.6 21.0 22.9 27.4 41.9 47.0 105.2 65.6 25.1 29.4 17.69 360
mc 31 28 31 30 31 30 31 31 30 26 30 31 31.12. 72.5 24.5 1.85 5