_id	測定項目(単位)	年　　度	23.0	24.0	25.0	26.0	27.0
1	二酸化窒素	""	0.0200000000000000004163336342344337026588618755340576171875	0.0210000000000000013045120539345589349977672100067138671875	0.0200000000000000004163336342344337026588618755340576171875	0.01700000000000000122124532708767219446599483489990234375	0.01450000000000000073552275381416620803065598011016845703125
2	一酸化炭素	""	0.59999999999999997779553950749686919152736663818359375	0.6999999999999999555910790149937383830547332763671875	0.5	0.40000000000000002220446049250313080847263336181640625	0.5
3	非メタン炭化水素	""	0.1700000000000000122124532708767219446599483489990234375	0.179999999999999993338661852249060757458209991455078125	0.13000000000000000444089209850062616169452667236328125	0.1000000000000000055511151231257827021181583404541015625	0.1000000000000000055511151231257827021181583404541015625
4	　資料　環境部環境対策課　　　	""					
5	""	""					
6	""	""