CHMU - Tabular overview of air quality of the Czech Republic

Detailed overview of ambient air pollution valuis from individual stations

Year:					2001
Pollutant:					NOx-nitrogen oxides(oxides of nitrogen)
Station:					441 - Pha6-Alzirska
Code:					CZ06HSALZ
Institution:					Public Health Service
Region:					Prague
District:					Praha 6
IHd:					100
Measure method:					trithanolamine spectophotometry
Unit:					ug/m^3

Average daily concentrations
Day/ Month	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	X	Max	N
1	~	110	22	32	35	~	~	40	43	105	77	57	~	~	130	99	31	37	26	~	~	36	31	44	69	43	~	~	60	55	70	56.91	130.00	22.00
2	58	31	~	~	87	59	109	55	59	~	~	68	77	45	25	55	~	~	~	~	~	~	~	~	~	21	21	44	~	~	~	54.27	109.00	15.00
3	48	48	~	~	13	15	40	28	19	~	~	27	33	33	14	28	~	~	23	44	107	25	85	~	~	25	40	33	44	22	~	36.09	107.00	22.00
4	~	62	54	35	7.00	15	~	~	18	7.00	24	~	~	~	~	~	28	23	33	24	~	~	40	46	51	24	64	~	~	32	~	32.61	64.00	18.00
5	~	17	17	18	~	~	~	~	26	12	22	~	~	17	14	25	29	39	~	~	37	40	~	18	16	~	~	27	14	19	14	22.16	40.00	19.00
6	27	~	~	22	19	11	26	28	~	~	32	90	49	16	54	~	~	32	37	52	36	36	~	~	43	28	76	68	64	~	~	40.29	90.00	21.00
7	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
8	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
9	~	~	29	27	23	~	~	~	~	19	28	19	14	19	~	~	19	65	26	18	21	~	~	46	47	37	22	~	~	~	~	28.18	65.00	17.00
10	22	19	34	41	49	~	~	23	21	~	32	111	~	~	62	99	58	53	86	~	~	38	59	31	24	42	~	~	22	23	~	45.19	111.00	21.00
11	19	17	~	~	24	16	39	38	28	~	~	31	41	138	68	31	~	~	138	49	32	40	45	~	~	173	150	66	46	76	~	59.32	173.00	22.00
12	~	~	67	21	48	76	57	~	~	48	129	~	82	34	~	~	43	33	36	57	~	~	~	~	~	~	~	~	~	~	~	56.23	129.00	13.00
Quarterly and annual absolute and relative frequency of average daily concentrations partial and total air pollution indexes according to classes of IHd multiples
Quarter	concentration classes in IHd multiples																total ind.		part of it in IHd multiples														max. date
	<=1/3		<=2/3		<=1.0		<=1.5		<=2.0		<=3.0		<=4.0		>		total ind.		1/3		2/3		1.0		1.5		2.0		3.0		4.0
	concentration classes in measurement units																		part of above IHd multiples in meas. units
	0- 33		34- 67		68- 100		101- 150		151- 200		201- 300		301- 400		over 400				33		67		100		150		200		300		400
ABS.	23		23		8		5		0		0		0		0		59¹		36		13		5		0		0		0		0		130
REL.	38.9		38.9		13.5		8.4		0.0		0.0		0.0		0.0		100.0		61.0		22.0		8.5		0.0		0.0		0.0		0.0		15.1
ID	38		38		13		16		0		0		0		0		108
ABS.	37		18		3		0		0		0		0		0		58¹		21		3		0		0		0		0		0		90
REL.	63.7		31.0		5.1		0.0		0.0		0.0		0.0		0.0		100.0		36.2		5.2		0.0		0.0		0.0		0.0		0.0		12.6
ID	63		31		5		0		0		0		0		0		100
ABS.	13		4		0		0		0		0		0		0		17²		4		0		0		0		0		0		0		65
REL.	76.4		23.5		0.0		0.0		0.0		0.0		0.0		0.0		100.0		23.5		0.0		0.0		0.0		0.0		0.0		0.0		18.9
ID	76		23		0		0		0		0		0		0		100
ABS.	19		24		7		5		1		0		0		0		56¹		37		13		6		1		0		0		0		173
REL	33.9		42.8		12.5		8.9		1.7		0.0		0.0		0.0		100.0		66.1		23.2		10.7		1.8		0.0		0.0		0.0		26.11
ID	33		42		12		17		8		0		0		0		116
Year
ABS.	92		69		18		10		1		0		0		0		190¹		98		29		11		1		0		0		0		173
REL.	48.4		36.3		9.4		5.2		0.5		0.0		0.0		0.0		100.0		51.6		15.3		5.8		0.5		0.0		0.0		0.0		26.11
ID	48		36		9		10		2		0		0		0		107
Note:				¹ frequency < 60 per quarter, or < 240 per annum
Note:				² frequency < 30 per quarter, or < 120 per annum

Detailed overview of ambient air pollution valuis from individual stations

Average daily concentrations

Day/Month

Quarterly and annual absolute and relative frequency of average daily concentrations partial and total air pollution indexes according to classes of IHd multiples

Quarter

concentration classes in IHd multiples

part of it in IHd multiples

max.date

concentration classes in measurement units

part of above IHd multiples in meas. units

Note:

Day/
Month

Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples

max.
date