| 气体名称 | 化学式 | 分子量 | 1毫克≈PPM | 1PPM≈毫克 | 换算公式：PPM=(mg/m3×22.4）÷分子量；mg/m3=分子量÷22.4 |
| 二氧化碳 | CO2 | 44.00095 | 0.5090 | 1.9646 | |
| 一氧化碳 | CO | 28.01 | 0.7997 | 1.2504 | |
| 甲烷 | CH4 | 16.04 | 1.3965 | 0.7160 | |
| 硫化氢 | H2S | 34.076 | 0.6573 | 1.5213 | |
| 氧气 | O2 | 32 | 0.7000 | 1.4285 | |
| 氮气 | N2 | 28.013 | 0.7996 | 1.2506 | |
| 氨气 | NH3 | 17.031 | 1.3152 | 0.7603 | |
| 氯气 | CL2 | 71 | 0.3154 | 3.1705 | |
| 氢气 | H2 | 1.008 | 22.2222 | 0.0450 | |
| 氦气 | He | 4.002602 | 5.5963 | 0.1786 | |
| 氩气 | Ar | 39.95 | 0.5607 | 1.7834 | |
| 氙气 | Xe | 131.293 | 1.6850 | 0.5934 | |
| 甲醛 | CH20 | 30.03 | 0.7459 | 1.3406 | |
| 臭氧 | O3 | 47.9982 | 0.4666 | 2.1431 | |
| 一氧化氮 | NO | 30.01 | 0.7464 | 1.3397 | |
| 二氧化氮 | NO2 | 46.01 | 0.4868 | 2.0542 | |
| 二氧化硫 | SO2 | 64.06 | 0.3496 | 2.8604 | |
| 环氧乙烷 | ETO | 44.05 | 0.5085 | 1.9665 | |
| 磷化氢 | PH3 | 33.998 | 0.6588 | 1.5179 | |
| 氯化氢 | HCL | 36.46 | 0.6143 | 1.6278 | |
| 氰化氢 | HCN | 27.03 | 0.8287 | 1.2067 | |
| 光气(碳酰氯） | COCL2 | 98.92 | 0.2264 | 4.4169 | |
| 二氧化氯 | CLO2 | 67.46 | 0.3320 | 3.0120 | |
| 硅烷 | SiH4 | 32.12 | 0.6973 | 1.4341 | |
| 溴甲烷 | CH3Br | 94.95 | 0.2359 | 4.2390 | |
| 硫酰氟 | SO2F2 | 102.06 | 0.2194 | 4.5578 | |
| 氟气 | F2 | 18.9984032 | 1.1790 | 0.8481 | |
| 氟化氢 | HF | 20.01 | 1.1194 | 0.8933 | |
| 溴化氢 | HBr | 80.91 | 0.2768 | 3.6127 | |
| 乙硼烷 | B2H6 | 27.67 | 0.8095 | 1.2353 | |
| 砷化氢 | AsH3 | 77.93 | 0.2874 | 3.4794 | |
| 锗烷 | GeH4 | 76.64 | 0.2922 | 3.4223 | |
| 联氨 | N2H4 | 32.05 | 0.6989 | 1.4308 | |
| 四氢噻吩 | THT | 88.17 | 0.2540 | 3.9370 | |
| 溴气 | Br2 | 79.9 | 0.2803 | 3.5676 | |
| 乙炔 | C2H2 | 26.04 | 0.8602 | 1.1625 | |
| 二硫化碳 | CS2 | 76.14 | 0.2941 | 3.4002 | |
| 乙醛 | C2H40 | 44.05 | 0.5085 | 1.9665 | |
| 丙烯腈 | C3H3N | 53.06 | 0.4221 | 2.3691 | |
| 丁酮 | MEK | 72.11 | 0.3022 | 3.3090 | |
| 丙酮 | MDK | 58.08 | 0.3856 | 2.5933 | |
| 六氟化硫 | SF6 | 146.05 | 0.1533 | 6.5231 | |
| 乙烯 | C2H4 | 28.06 | 0.7982 | 1.2528 | |
| 异丙醇 | C3H80 | 60.07 | 0.3728 | 2.6824 | |
| 乙醇 | C2H60 | 46.07 | 0.4862 | 2.0567 | |
| 甲醇 | CH40 | 32.04 | 0.6991 | 1.4304 | |
| 甲胺 | CH5N | 31.0571 | 0.7212 | 1.3865 | |
| 甲硫醇 | CH4S | 48.1 | 0.4656 | 2.1477 | |
| 氯乙烯 | C2H3CL | 62.4987 | 0.3584 | 2.7901 | |
| 三氯乙烯 | C2HCL3 | 131.39 | 0.1704 | 5.8685 | |
| 四氯乙烯 | C2CL4 | 165.82 | 0.1350 | 7.4074 | |
| 氯甲烷 | CH3CL | 50.49 | 0.4436 | 2.2542 | |
| 二氯甲烷 | CH2CL2 | 84.93 | 0.2637 | 3.7921 | |
| 三氯甲烷 | CHCL3 | 119.38 | 0.1876 | 5.3304 | |
| 笑气 | N2O | 44.0128 | 0.5089 | 1.9650 | |
| 三氟化氮 | NF3 | 71.0019 | 0.3154 | 3.1705 | |
| 过氧化氢 | H2O2 | 34.01 | 0.6586 | 1.5183 | |
| 苯乙烯 | C8H8 | 104.14 | 0.2150 | 4.6511 | |
| 四氢呋喃 | THF | 72.11 | 0.3106 | 3.2195 | |
| TVOC | TVOC | 异丁烯标定 | |||
| VOC | VOC | 异丁烯标定 | |||
| 苯 | C6H6 | 78.11 | 0.2867 | 3.4879 | |
| 甲苯 | C7H8 | 92.14 | 0.2431 | 4.1135 | |
| 二甲苯 | C8H10 | 106.17 | 0.2109 | 4.7415 | |
| 异丁烯 | C4H8 | 56.11 | 0.3992 | 2.5050 |
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