局別

前橋局2021年10月23日

測定局

測定日

測定日時 二酸化硫黄 一酸化窒素 二酸化窒素 窒素酸化物 一酸化炭素 光化学オキ
シダント
非メタン
炭化水素
メタン 全炭化水素 浮遊粒子状
物質
微小粒子状
物質
SO2
(ppm)
NO
(ppm)
NO2
(ppm)
NOx
(ppm)
CO
(ppm)
Ox
(ppm)
NMHC
(ppmC)
CH4
(ppmC)
THC
(ppmC)
SPM
(mg/m3)
PM2.5
(μg/m3)
1時0.0000.0020.0080.0100.20.0040.102.302.400.0056
2時0.0000.0020.0060.0080.10.0040.082.352.430.0062
3時0.0000.0030.0070.0100.10.0060.082.222.300.0066
4時0.0000.0010.0050.0060.10.0130.072.072.140.004-8
5時0.0000.0010.0050.0060.10.0170.062.022.080.0042
6時0.0000.0010.0050.0060.10.0170.062.012.070.004-8
7時0.0010.0000.0030.0030.10.0290.042.002.040.0019
8時0.0010.0000.0020.0020.10.0360.051.992.040.0001
9時0.0010.0000.0020.0020.10.0380.051.982.030.001-4
10時0.0010.0000.0020.0020.10.0390.061.972.030.001-4
11時0.0010.0000.0020.0020.10.0410.051.972.020.002-4
12時0.0010.0000.0020.0020.10.0420.051.982.030.0041
13時0.0000.0000.0020.0020.10.0420.061.972.030.0043
14時0.0010.0000.0020.0020.10.0420.051.982.030.005-6
15時0.0000.0000.0020.0020.10.0410.051.982.030.0053
16時0.0000.0000.0020.0020.10.0400.051.982.030.00410
17時0.0010.0000.0020.0020.10.0390.051.972.020.007-1
18時0.0010.0000.0030.0030.10.0370.051.982.030.00612
19時0.0010.0010.0060.0070.20.0310.061.992.050.0073
20時0.0010.0020.0090.0110.20.0230.072.032.100.0071
21時
22時
23時
24時