Table 2

Air pollution assessment: median of half hourly concentrations

	Amst.	St.Val.	Krems	Tuttl.	Aalen	Vill.	Gäns.	Ehing.	Mistel.	Heid.	Bruck	Welz.	Freud.	Wies.	Pöllau
O₃ summer1	24	27	30	30	27	37	35	31	35	38	41	41	44	49	44
O₃ winter 1	5	10	12	6	9	6	18	12	18	23	22	22	24	32	31
O₃ summer 2	25	23	24	31	34	31	31	36	35	35	36	44	43	46	48
O₃ winter 2	9	10	9	12	13	15	15	14	19	23	19	22	29	25	34
O₃ summer 3	22	21	21	35	36	34	29	36	31	34	36	41	44	41	45
O₃ winter 3	7	8	8	14	13	17	16	18	16	21	23	23	31	25	32
O₃ summer 4	27	17	17	30	29	36	31	33	33	37	38	44	43	39	49
NO₂ summer1	11	8	11	9	9	7	7	7	6	5	4	3	5	3	2
NO₂ winter 1	17	10	15	18	17	13	10	14	8	5	7	9	9	8	3
NO₂ summer 2	10	9	11	9	11	7	5	7	5	3	4	4	6	1	3
NO₂ winter 2	16	14	16	17	18	14	10	13	8	6	8	8	8	3	4
NO₂ summer 3	10	5	4	8	10	7	5	7	6	4	3	4	5	5	2
NO₂ winter 3	10	7	12	17	16	13	10	13		5	7	9	8		2
NO₂ summer 4	7	4	2	8	10	6	6	7		4	4	4	6		2
PM₁₀/TSP sum.1	30	26	30	14	19	16		19			30		15		15
PM₁₀/TSP win.1	20	26	30	18	30	17		21			20		14		7
PM₁₀/TSP sum.2	20	25	30	14	26	15		17	20		20		16		15
PM₁₀/TSP win.2	40	35	40	17	27	19		21	35		50		15		11
PM₁₀/TSP sum.3	20	24	30	13	22	17		15	20	20	20		16		14
PM₁₀/TSP win.3	40	30	30	17	24	24		17	20	20	30		12		9
PM₁₀/TSP sum.4	30	23	30	12	21	17		15	20	20	20		15		14

Ozone (O₃) in parts per billion (ppb), nitrogen dioxide (NO₂) in ppb
total suspended particles (TSP) and particles with a 50% cut-off aerodynamic diameter of 10 µm (PM₁₀) in µg·m⁻³
Sum: summer
win: winter
TSP data available for Amstetten, St.Valentin, Krems, Mistelbach, Heidenreichstein, Bruck, Pöllau
PM₁₀ data available for Tuttlingen, Aalen, Villingen, Ehingen, Freudenstadt