Travel Impact Model API 会公开根据旅行影响模型计算的排放量估算值。这些排放量估算值也会显示在 Google 机票中，并且还可以通过 Google 表格插件访问该 API。

该 API 是公开的，可免费使用。

您需要使用 API 密钥进行身份验证。

旅行影响模型是一种最先进的航班排放量估算模型。

该方法已发布在 GitHub 上。

此 API 支持未来 11 个月内出发的全球商业航班。

不支持包机、私人飞机和货运飞机。不支持过去的航班。如果您有疑问或功能请求，请与我们联系（请参阅支持页面）。

此 API 公开的数据采用 CC BY-SA 4.0 许可。

典型航班排放量是指两座机场之间乘坐飞机的每位乘客产生的温室气体排放量的估算值。

该指数是使用航班排放量预估数据计算得出的，该数据集的创建方法已发布在 GitHub 上。典型航班排放量不应替代航班排放量估算值。

范围 3 航班排放量数据集旨在帮助公司和个人计算和报告因商务旅行而产生的范围 3 第 6 类航空旅行排放量。完整模型输出包括 2019 年全球定期商业航班的排放量估算值。

获取航班排放量示例 

curl https://travelimpactmodel.googleapis.com/v1/flights:computeFlightEmissions?key=$API_KEY \
  -H "Content-Type: application/json" -d \
  '{
    "flights": [
      {
        "origin": "ZRH",
        "destination": "CDG",
        "operatingCarrierCode": "AF",
        "flightNumber": 1115,
        "departureDate": {"year": 2026, "month": 10, "day": 2}
      },
      {
        "origin": "CDG",
        "destination": "BOS",
        "operatingCarrierCode": "AF",
        "flightNumber": 334,
        "departureDate": {"year": 2026, "month": 10, "day": 1}
      },
      {
        "origin": "ZRH",
        "destination": "BOS",
        "operatingCarrierCode": "LX",
        "flightNumber": 52,
        "departureDate": {"year": 2026, "month": 9, "day": 1}
      }
    ]
  }'

此示例包含 ZRH - BOS 航班（在 CDG 中转）和 ZRH - BOS 航班。

示例命令使用 curl 调用 REST 端点。在该命令中，您需要将 $API_KEY 替换为您的 API 密钥。您可能还需要调整航班详细信息，使其与现有的即将搭乘的航班相符。

如需查看此 API 公开的资源的完整文档，请参阅参考文档标签页。支持 HTTP 和 RPC 调用。

{
  "flightEmissions": [
    {
      "flight": {
        "origin": "ZRH",
        "destination": "CDG",
        "operatingCarrierCode": "AF",
        "flightNumber": 1115,
        "departureDate": {
          "year": 2026,
          "month": 10,
          "day": 2
        }
      },
      "emissionsGramsPerPax": {
        "first": 100360,
        "business": 100360,
        "premiumEconomy": 66907,
        "economy": 66907
      },
      "source": "TIM",
      "contrailsImpactBucket": "CONTRAILS_IMPACT_MODERATE"
    },
    {
      "flight": {
        "origin": "CDG",
        "destination": "BOS",
        "operatingCarrierCode": "AF",
        "flightNumber": 334,
        "departureDate": {
          "year": 2026,
          "month": 10,
          "day": 1
        }
      },
      "emissionsGramsPerPax": {
        "first": 1549875,
        "business": 1239900,
        "premiumEconomy": 464962,
        "economy": 309975
      },
      "source": "TIM",
      "contrailsImpactBucket": "CONTRAILS_IMPACT_MODERATE"
    },
    {
      "flight": {
        "origin": "ZRH",
        "destination": "BOS",
        "operatingCarrierCode": "LX",
        "flightNumber": 52,
        "departureDate": {
          "year": 2026,
          "month": 9,
          "day": 1
        }
      },
      "emissionsGramsPerPax": {
        "first": 1412110,
        "business": 1129688,
        "premiumEconomy": 423632,
        "economy": 282422
      },
      "source": "TIM",
      "contrailsImpactBucket": "CONTRAILS_IMPACT_MODERATE"
    }
  ],
  "modelVersion": {
    "major": 3,
    "minor": 0,
    "patch": 0,
    "dated": "20251013"
  }
}

示例响应。

获取典型航班排放量示例 

curl https://travelimpactmodel.googleapis.com/v1/flights:computeTypicalFlightEmissions?key=$API_KEY \
-H "Content-Type: application/json" -d \
'{
  "markets": [
    {
      "origin": "ZRH",
      "destination": "BOS"
    },
    {
      "origin": "BOS",
      "destination": "ZRH"
    },
  ]
}'

此示例包含两个市场：ZRH-BOS 和 BOS-ZRH。

示例命令使用 curl 调用 REST 端点。在该命令中，您需要将 $API_KEY 替换为您的 API 密钥。

如需查看此 API 公开的资源的完整文档，请参阅参考文档标签页。支持 HTTP 和 RPC 调用。

{
  "typicalFlightEmissions": [
    {
      "market": {
        "origin": "ZRH",
        "destination": "BOS"
      },
      "emissionsGramsPerPax": {
        "first": 1721684,
        "business": 1411005,
        "premiumEconomy": 566775,
        "economy": 406535
      }
    },
    {
      "market": {
        "origin": "BOS",
        "destination": "ZRH"
      },
      "emissionsGramsPerPax": {
        "first": 2149656,
        "business": 1737021,
        "premiumEconomy": 688646,
        "economy": 488115
      }
    }
  ],
  "modelVersion": {
    "major": 2,
    "minor": 0,
    "patch": 0,
    "dated": "20250131"
  }
}

示例响应。

获取范围 3 航班排放量示例 

curl https://travelimpactmodel.googleapis.com/v1/flights:computeScope3FlightEmissions?key=$API_KEY \
-H "Content-Type: application/json" -d \
'{
  "flights": [{
    "departureDate": {
      "year": 2025,
      "month": 5,
      "day": 13
    },
    "cabinClass": "ECONOMY",
    "origin": "ICN",
    "destination": "YVR",
    "carrierCode": "KE",
    "flightNumber": 71
  }, {
    "departureDate": {
      "year": 2025,
      "month": 1,
      "day": 1
    },
    "cabinClass": "BUSINESS",
    "origin": "JFK",
    "destination": "SFO"
  }, {
    "departureDate": {
      "year": 2025,
      "month": 1,
      "day": 1
    },
    "cabinClass": "FIRST",
    "distanceKm": "1000"
  }],
  "modelVersion": {
    "major": 2,
    "minor": 0
  }
}'

此示例包含以下内容：从 ICN 到 YVR 的 KE71 航班（经济舱）的基于 TIM 的排放量请求、从 JFK 到 SFO 的航班（商务舱）的典型航班排放量请求，以及 1,000 公里航班（头等舱）的基于距离的排放量请求。

示例命令使用 curl 调用 REST 端点。在该命令中，您需要将 $API_KEY 替换为您的 API 密钥。

如需查看此 API 公开的资源的完整文档，请参阅参考文档标签页。支持 HTTP 和 RPC 调用。

{
  "flightEmissions": [{
    "flight": {
      "departureDate": {
        "year": 2025,
        "month": 5,
        "day": 13
      },
      "cabinClass": "ECONOMY",
      "origin": "ICN",
      "destination": "YVR",
      "carrierCode": "KE",
      "flightNumber": 71
    },
    "wtwEmissionsGramsPerPax": "429613",
    "source": "TIM_EMISSIONS",
    "ttwEmissionsGramsPerPax": "357207",
    "wttEmissionsGramsPerPax": "72406"
  }, {
    "flight": {
      "departureDate": {
        "year": 2025,
      },
      "cabinClass": "BUSINESS",
      "origin": "JFK",
      "destination": "SFO"
    },
    "wtwEmissionsGramsPerPax": "885184",
    "source": "TYPICAL_FLIGHT_EMISSIONS",
    "ttwEmissionsGramsPerPax": "735997",
    "wttEmissionsGramsPerPax": "149187"
  }, {
    "flight": {
      "departureDate": {
        "year": 2025,
        "month": 0,
        "day": 0
      },
      "cabinClass": "FIRST",
      "distanceKm": "1000"
    },
    "wtwEmissionsGramsPerPax": "328000",
    "source": "DISTANCE_BASED_EMISSIONS",
    "ttwEmissionsGramsPerPax": "273000",
    "wttEmissionsGramsPerPax": "55000"
  }],
  "modelVersion": {
    "major": 2,
    "minor": 0
  }
}

示例响应。