Year	SOx	NOx	NH3	PM10	PM2.5	NMVOC	CO	CH4	As	Cd	Ni	Pb	Hg	BaP
2003	100	100	100	100	100	100	100	100	100	100	100	100	100	100
2004	93.82871582	98.65922095	98.80450032	99.24034481	98.59097547	97.07384385	97.34219971	96.7562288	100.5261841	98.49023196	98.55675037	96.46649656	98.87909325	99.53382383
2005	88.80034503	95.86442372	97.41789864	96.79202771	95.61820543	93.9200488	89.90686901	94.82450907	101.4514625	97.27762526	98.22420748	93.57216439	97.92388897	113.9273234
2006	86.46114136	93.26560627	97.53047948	94.88329295	93.00232912	91.42640415	85.4224273	93.57048575	102.4692236	96.21562219	92.63275747	93.98926937	96.67524061	113.7930976
2007	82.54026415	90.32582423	97.80510463	93.31797493	90.75792427	87.32639226	81.53619779	91.91186417	101.0346977	86.729011	85.8758409	93.64405502	96.53587029	112.0255698
2008	63.99973334	83.66176441	95.66178395	90.58661963	89.13482135	83.27536514	78.69639178	90.81240008	99.17424242	86.64683945	81.59795661	92.38709336	91.5002924	119.7641425
2009	54.76189946	76.57391686	94.76469486	86.33248291	85.53309919	76.62201763	71.59005238	88.78281092	89.1701902	75.58833231	73.85006067	77.45007744	78.59971279	113.0245154
2010	51.49465081	75.26901965	93.17389089	89.68668732	88.50544738	77.00546991	75.06127408	87.29724093	94.34352848	81.45760187	66.40449177	84.45964156	78.65992577	124.0496689
2011	50.91217366	72.44646998	93.46558615	86.27273204	84.08123349	73.68345651	69.74820006	85.63299027	94.5037254	74.52055181	59.45844254	81.78578712	77.12125507	118.1500374
2012	45.99561856	70.0025548	92.05180645	85.53966329	83.8236678	71.58292133	67.50991	85.04061347	91.38295251	73.48851298	56.44683187	81.20557442	74.96152764	121.0377734