KnowAir Air Quality 明气空气质量

Get hourly (up to 360 hours) and daily (up to 15 days) weather forecasts by latitude and longitude via the Caiyun Weather API. Returns temperature trends, we...

KnowAir Forecast — Hourly & Daily Weather Forecasts

Query detailed hourly and daily weather forecasts for any location using the Caiyun Weather API.

Prerequisites

1. A valid Caiyun Weather API token set as CAIYUN_TOKEN environment variable, or stored in ~/.config/knowair/token.
2. Coordinates (longitude, latitude) for the target location.

Quick Start

python3 scripts/query_forecast.py --lng 116.3176 --lat 39.9760 --type daily --days 7

Workflow

1. Resolve coordinates — convert city name to longitude and latitude if needed.
2. Choose forecast type — hourly or daily.
3. Run the script:

   python3 scripts/query_forecast.py --lng <LNG> --lat <LAT> --type <TYPE>
   

4. Present results — highlight temperature ranges, precipitation probability, and notable weather changes.

Options

Flag	Description	Default
--lng	Longitude (-180 to 180)	Required
--lat	Latitude (-90 to 90)	Required
--type	hourly or daily	daily
--hours	Hours to forecast (1-360, hourly mode)	48
--days	Days to forecast (1-15, daily mode)	7
--detail-level	Display density 0-6 (0=auto, 1=every hour, etc.)	0
--lang	Output language: en or zh	en

Defaults

• Forecast type: daily
• Days: 7, Hours: 48
• Detail level: auto (0)
• Language: en

Failure Handling

• Missing token → exit code 2 with setup instructions.
• API error → exit code 1 with error details.
• Network unreachable → suggest the user check connectivity.

Additional Resources

• examples.md — usage examples