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:					927 - Mezibori
Code:					CZMOHSMEZ
Institution:					Public Health Service
Region:					Ustecky
District:					Most
IHd:					100
Measure method:					chemiluminescence
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	41	23	34	36	58	27	24	21	20	36	31	17	27	53	49	48	18	18	35	21	17	22	22	27	33	30	23	20	16	20	16	28.48	58.00	31.00
2	15	19	37	54	32	32	47	55	54	18	37	50	15	14	32	52	22	10	13	12	13	11	13	12	34	28	31	24	~	~	~	28.07	55.00	28.00
3	38	32	21	20	17	19	23	23	43	25	18	16	12	11	19	49	34	19	11	11	21	30	26	22	25	11	15	17	20	23	17	22.19	49.00	31.00
4	22	26	25	19	11	21	14	9.00	11	26	13	10	8.00	9.00	15	11	11	17	38	67	25	17	50	76	88	45	76	44	67	64	~	31.17	88.00	30.00
5	59	34	57	36	24	26	45	37	108	51	38	26	49	76	92	37	17	11	9.00	10	12	10	21	28	13	16	8.00	11	8.00	9.00	14	32.00	108.00	31.00
6	8.00	14	4.00	4.00	10	32	14	15	9.00	9.00	7.00	9.00	23	22	22	8.00	9.00	6.00	5.00	7.00	15	7.00	4.00	6.00	8.00	8.00	24	7.00	7.00	~	~	11.14	32.00	29.00
7	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
8	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
9	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
10	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	28	13	11	8.00	25	25	36	23	15	17	51	10	50	24.00	51.00	13.00
11	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
12	22	43	71	38	88	54	22	19	55	60	49	33	22	46	~	~	18	25	24	17	32	19	11	27	18	14	15	26	17	16	9.00	31.38	88.00	29.00
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.	68		22		0		0		0		0		0		0		90		22		0		0		0		0		0		0		58
REL.	75.5		24.4		0.0		0.0		0.0		0.0		0.0		0.0		100.0		24.4		0.0		0.0		0.0		0.0		0.0		0.0		5.1
ID	75		24		0		0		0		0		0		0		100
ABS.	67		15		7		1		0		0		0		0		90		23		8		1		0		0		0		0		108
REL.	74.4		16.6		7.7		1.1		0.0		0.0		0.0		0.0		100.0		25.6		8.9		1.1		0.0		0.0		0.0		0.0		9.5
ID	74		16		7		2		0		0		0		0		101
ABS.	0		0		0		0		0		0		0		0		0²		0		0		0		0		0		0		0		0
ABS.	30		10		2		0		0		0		0		0		42¹		12		2		0		0		0		0		0		88
REL	71.4		23.8		4.7		0.0		0.0		0.0		0.0		0.0		100.0		28.6		4.8		0.0		0.0		0.0		0.0		0.0		5.12
ID	71		23		4		0		0		0		0		0		100
Year
ABS.	165		47		9		1		0		0		0		0		222¹		57		10		1		0		0		0		0		108
REL.	74.3		21.1		4.0		0.4		0.0		0.0		0.0		0.0		100.0		25.7		4.5		0.5		0.0		0.0		0.0		0.0		9.5
ID	74		21		4				0		0		0		0		100
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