This workflow follows the Executecommand → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "OpenAQ-AirNow-GIBS-and-Fetcher",
"nodes": [
{
"parameters": {
"triggerTimes": {
"item": [
{
"hour": "*",
"minute": "0",
"second": "0"
}
]
}
},
"name": "Hourly Cron",
"type": "n8n-nodes-base.cron",
"typeVersion": 1,
"position": [
240,
200
]
},
{
"parameters": {
"requestMethod": "GET",
"url": "https://api.openaq.org/v3/measurements?country_id=162¶meter=pm25&limit=10000&date_from={{ $todayIso.split('T')[0] }}&date_to={{ $todayIso.split('T')[0] }}",
"headerParameters": [
{
"name": "X-API-Key",
"value": "{{$credentials.OPENAQ.key}}"
}
],
"responseFormat": "json"
},
"name": "Fetch OpenAQ",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
480,
200
]
},
{
"parameters": {
"functionCode": "const results = items[0].json.results || [];\nreturn [{ json: { results } }];"
},
"name": "Normalize OpenAQ",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
720,
200
]
},
{
"parameters": {
"operation": "upload",
"resource": "file",
"bucket": "<YOUR_BUCKET>",
"binaryPropertyName": "data",
"key": "raw/openaq/{{ $todayIso.split('T')[0] }}/openaq_{{ $now.toISOString().replace(/[:.]/g,'') }}.json"
},
"name": "Upload OpenAQ to B2",
"type": "n8n-nodes-base.s3",
"typeVersion": 1,
"position": [
980,
200
],
"credentials": {
"s3Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"conditions": {
"boolean": [
{
"value1": "={{ $json.results && $json.results.length > 0 }}",
"operation": "isTrue"
}
]
}
},
"name": "Has OpenAQ Data?",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
1180,
200
]
},
{
"parameters": {
"requestMethod": "GET",
"url": "https://www.airnowapi.org/aq/observation/latLong/current/?format=application/json&latitude=30.0444&longitude=31.2357&distance=25&API_KEY={{ $credentials.AIRNOW.key }}",
"responseFormat": "json"
},
"name": "Fetch AirNow (fallback)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
1440,
200
]
},
{
"parameters": {
"operation": "upload",
"resource": "file",
"bucket": "<YOUR_BUCKET>",
"binaryPropertyName": "data",
"key": "raw/airnow/{{ $todayIso.split('T')[0] }}/airnow_{{ $now.toISOString().replace(/[:.]/g,'') }}.json"
},
"name": "Upload AirNow to B2",
"type": "n8n-nodes-base.s3",
"typeVersion": 1,
"position": [
1680,
200
],
"credentials": {
"s3Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"triggerTimes": {
"item": [
{
"hour": "3",
"minute": "0",
"second": "0"
}
]
}
},
"name": "Daily Fetch Cron",
"type": "n8n-nodes-base.cron",
"typeVersion": 1,
"position": [
240,
520
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "run-fetcher",
"responseMode": "lastNode",
"options": {}
},
"name": "Fetcher Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
480,
520
]
},
{
"parameters": {
"command": "python /home/runner/airquality/scripts/cloud_fetcher_b2.py --date_from {{ $todayIso.split('T')[0] }} --date_to {{ $todayIso.split('T')[0] }}",
"options": {}
},
"name": "Execute Fetcher",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
720,
520
]
},
{
"parameters": {
"triggerTimes": {
"item": [
{
"hour": "2",
"minute": "0",
"second": "0"
}
]
}
},
"name": "Daily GIBS Cron",
"type": "n8n-nodes-base.cron",
"typeVersion": 1,
"position": [
240,
800
]
},
{
"parameters": {
"requestMethod": "GET",
"url": "https://gibs.earthdata.nasa.gov/wmts/epsg3857/best/VIIRS_SNPP_NO2_Column_Density/default/{{ $todayIso.split('T')[0] }}/6/24/12.png",
"responseFormat": "file"
},
"name": "Fetch GIBS Tile",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
480,
800
]
},
{
"parameters": {
"operation": "upload",
"resource": "file",
"bucket": "<YOUR_BUCKET>",
"binaryPropertyName": "data",
"key": "raw/gibs/no2/{{ $todayIso.split('T')[0] }}/tile.png"
},
"name": "Upload GIBS to B2",
"type": "n8n-nodes-base.s3",
"typeVersion": 1,
"position": [
720,
800
],
"credentials": {
"s3Api": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Hourly Cron": {
"main": [
[
{
"node": "Fetch OpenAQ",
"type": "main",
"index": 0
}
]
]
},
"Fetch OpenAQ": {
"main": [
[
{
"node": "Normalize OpenAQ",
"type": "main",
"index": 0
}
]
]
},
"Normalize OpenAQ": {
"main": [
[
{
"node": "Upload OpenAQ to B2",
"type": "main",
"index": 0
},
{
"node": "Has OpenAQ Data?",
"type": "main",
"index": 0
}
]
]
},
"Has OpenAQ Data?": {
"main": [
[
{
"node": "Execute Fetcher",
"type": "main",
"index": 1
},
{
"node": "Pass-through",
"type": "main",
"index": 0
}
]
]
},
"Fetch AirNow (fallback)": {
"main": [
[
{
"node": "Upload AirNow to B2",
"type": "main",
"index": 0
}
]
]
},
"Daily Fetch Cron": {
"main": [
[
{
"node": "Fetcher Webhook",
"type": "main",
"index": 0
}
]
]
},
"Fetcher Webhook": {
"main": [
[
{
"node": "Execute Fetcher",
"type": "main",
"index": 0
}
]
]
},
"Daily GIBS Cron": {
"main": [
[
{
"node": "Fetch GIBS Tile",
"type": "main",
"index": 0
}
]
]
},
"Fetch GIBS Tile": {
"main": [
[
{
"node": "Upload GIBS to B2",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
s3Api
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About this workflow
OpenAQ-AirNow-GIBS-and-Fetcher. Uses httpRequest, s3, executeCommand. Scheduled trigger; 13 nodes.
Source: https://github.com/ArsanyOsama/Air-Sight/blob/ff2e21e712e38830895689dec13c65fdb6fc5f84/n8n/openaq_airnow_gibs.json — original creator credit. Request a take-down →
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