awair 0.0.2

Awair API client and data collection system with AWS Lambda automation

Awair API Client & Data Collection System

A Python CLI tool and automated data collection system for Awair air quality sensors. Provides real-time data fetching using the Awair API, historical analysis, and automated S3 storage via AWS Lambda.

Features

• CLI Interface: Raw data fetching, analysis, and export from Awair sensors
• Automated Collection: AWS Lambda function that collects data every 5 minutes
• S3 Storage: Efficient Parquet format with incremental updates
• Data Analysis: Built-in tools for gaps analysis, histograms, and data summaries
• Flexible Storage: Works with local files or S3 (configurable default paths)
• AWS Deployment: One-command CDK deployment with automatic IAM permissions

Installation

From PyPI (Recommended)

# Basic installation
pip install awair

# With Lambda deployment support
pip install awair[lambda]

# Development installation
pip install awair[dev]

From Source

git clone https://github.com/runsascoded/awair.git
cd awair
pip install -e .

Configuration

API Token

Set your Awair API token via:

• Environment variable: export AWAIR_TOKEN="your-token"
• Local file: echo "your-token" > .token
• User config: echo "your-token" > ~/.awair/token

Device Configuration

Configure your Awair device via:

• Environment variables: export AWAIR_DEVICE_TYPE="awair-element" AWAIR_DEVICE_ID="12345"
• Local file: echo "awair-element,12345" > .awair-device
• User config: echo "awair-element,12345" > ~/.awair/device
• Auto-discovery: If not configured, the CLI will automatically detect your device on first use

Data Storage Location

Configure default data file path via:

• Environment variable: export AWAIR_DATA_PATH="s3://your-bucket/data.parquet"
• Local file: echo "s3://your-bucket/data.parquet" > .awair-data-path
• User config: echo "s3://your-bucket/data.parquet" > ~/.awair/data-path
• Default: s3://380nwk/awair.parquet

Usage

Data Collection

# Fetch raw API data and save to configured data file
awair raw --from-dt 250710T10 --to-dt 250710T11

# Fetch raw API data and output as JSONL to stdout
awair raw --from-dt 250710T10 --to-dt 250710T11 -d /dev/null

# Fetch only new data since latest timestamp in storage
awair raw --recent-only

# Check your account info
awair self

# List your devices
awair devices

Data Analysis

# Show data file summary
awair data-info
awair data-info -d s3://your-bucket/data.parquet

# Daily histogram of record counts
awair hist
awair hist --from-dt 250710 --to-dt 250712

# Find timing gaps in data
awair gaps -n 5 -m 300  # Top 5 gaps over 5 minutes

AWS Lambda Deployment

# Deploy automated data collector
awair lambda deploy

# View CloudFormation template
awair lambda synth

# Monitor logs
awair lambda logs --follow

# Test locally
awair lambda test

Data Format

Sensor data is stored in Parquet format with these fields:

Field	Type	Description
timestamp	datetime	UTC timestamp
temp	float	Temperature (°F)
co2	int	CO2 (ppm)
pm10	int	PM10 particles
pm25	int	PM2.5 particles
humid	float	Humidity (%)
voc	int	Volatile Organic Compounds

Example Data

{"timestamp":"2025-07-05T22:22:06.331Z","temp":73.36,"co2":563,"pm10":3,"pm25":2,"humid":52.31,"voc":96}
{"timestamp":"2025-07-05T22:21:06.063Z","temp":73.33,"co2":562,"pm10":3,"pm25":2,"humid":52.23,"voc":92}

Architecture

Automated Data Collection

The system uses AWS Lambda for automated data collection:

• Schedule: Runs every 5 minutes via EventBridge
• Storage: Updates S3 Parquet file incrementally
• Efficiency: Only fetches data since last update
• Reliability: Uses utz.s3.atomic_edit for safe concurrent updates

CLI Integration

The CLI seamlessly works with both local files and S3:

# Both work the same way
storage = ParquetStorage('local-file.parquet')
storage = ParquetStorage('s3://bucket/file.parquet')

Configurable Deployments

Lambda deployments respect user configuration:

• IAM permissions generated dynamically per S3 bucket
• Environment variables passed to Lambda runtime
• Support for any S3 bucket/key combination

Development

Setup

pip install -e ".[dev]"

Code Style

ruff check
ruff format

Testing

pytest

Lambda Deployment

Deploy AWS Lambda function for automated data collection:

# Deploy latest PyPI version (recommended)
awair lambda deploy

# Deploy specific PyPI version
awair lambda deploy -v 0.0.1

# Deploy from local source (development)
awair lambda deploy -v source

# Build package only (no deploy)
awair lambda deploy --dry-run
awair lambda deploy -v 0.0.1 --dry-run

PyPI Deployment (Default):

• ✅ Exact Versions: Deploy specific, tested releases
• ✅ Immutable: Consistent across environments
• ✅ Traceable: Clear version tracking in Lambda
• ✅ Production Ready: Uses published releases

Source Deployment (-v source):

• 🔧 Development: Test local changes before publishing
• 🚀 Latest Features: Access unreleased functionality

AWS Infrastructure

The Lambda deployment creates:

• Lambda Function: awair-data-updater
• EventBridge Rule: 5-minute schedule
• IAM Role: S3 permissions for target bucket
• CloudWatch Logs: 2-week retention
• Environment Variables: AWAIR_TOKEN, AWAIR_DATA_PATH

Required AWS Permissions

For deployment, you need permissions to create:

• Lambda functions and layers
• IAM roles and policies
• EventBridge rules
• CloudWatch log groups
• S3 bucket access (for your target bucket)

Date/Time Format

The CLI uses a compact date format for convenience:

• 250710 → July 10, 2025
• 250710T16 → July 10, 2025 at 4 PM
• 20250710T1630 → July 10, 2025 at 4:30 PM

License

MIT License - see LICENSE file for details.