NOₓ - nitrogen oxides

Monthly and annual air pollution characteristics


Year: 2023
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 56.6 55.7 48.2 52.8 51.2 42.4 35.4 43.4 55.3 60.9 56.4 61.7 172.4 99.2 46.0 51.6 26.41 365
mc 31 28 31 30 31 30 31 31 30 31 30 31 30.11. 136.2 45.9 1.63 0
TOFFA
Detail
40560
CHMI
(1061)
Ostrava-Fifejdy
Automated measuring program
CHLM
Xm 21.7 22.0 17.7 19.5 15.4 13.6 13.3 13.9 23.2 30.1 23.7 34.5 122.7 47.9 15.9 20.8 17.10 358
mc 31 28 31 30 31 28 31 27 30 30 30 31 13.12. 81.8 16.9 1.82 2
TOMHK
Detail
780789
SMOstrava
(1649)
Ostrava-Marianske Ho
Combination measuring program
CHLM
Xm 20.5 23.3 19.1 17.2 13.3 11.9 11.7 13.7 18.9 23.2 21.6 30.0 100.7 38.5 15.0 18.7 13.96 359
mc 31 28 30 29 31 30 27 31 30 31 30 31 08.12. 73.2 15.6 1.79 2
TOPDA
Detail
1317208
SMOstrava
(2042)
Ostrava-Poruba DD
Automated measuring program
CHLM
Xm 27.1 26.9 26.1 22.5 20.6 22.0 15.7 16.4 22.9 22.4 21.1 33.2 80.9 42.8 21.4 23.1 10.75 360
mc 31 28 31 28 29 30 31 31 30 31 30 30 13.12. 52.4 20.8 1.59 4
TOPOA
Detail
1022074
CHMI
(1939)
Ostrava-Poruba CHMU
Automated measuring program
CHLM
Xm 16.7 17.6 14.5 13.3 11.8 9.6 9.2 10.4 14.2 18.7 17.8 28.0 105.6 31.7 12.4 15.1 10.78 362
mc 31 27 30 30 31 30 31 31 29 31 30 31 08.12. 49.4 12.9 1.70 1
TOPRA
Detail
40996
CHMI
(1410)
Ostrava-Privoz
Automated measuring program
CHLM
Xm 27.1 28.4 26.2 24.6 19.3 17.1 17.1 17.8 29.1 34.5 31.0 39.9 120.0 59.4 21.0 26.1 17.15 363
mc 29 28 31 30 31 30 31 31 30 31 30 31 08.12. 81.6 22.0 1.76 2
TOROK
Detail
1021660
SMOstrava
(1940)
Ostrava-Radvanice OZO
Combination measuring program
CHLM
Xm 25.0 22.5 23.6 15.7 11.6 11.6 12.3 16.0 17.7 20.3 18.5 26.9 84.9 36.0 15.9 18.5 10.62 363
mc 31 28 31 30 31 29 31 30 30 31 30 31 08.12. 48.8 16.1 1.69 1
TOREK
Detail
780836
SMOstrava
(1650)
Ostrava-Radvanice ZU
Combination measuring program
CHLM
Xm 34.4 37.2 30.0 17.7 12.7 12.0 15.3 17.5 16.1 23.0 18.4 26.5 93.5 50.1 17.9 21.7 13.44 357
mc 30 28 31 30 31 30 31 29 28 28 30 31 08.12. 60.2 18.4 1.77 3