China incremental disaster alerts

Overview

Pull incremental nationwide disaster alerts by Unix timestamp (Alert / Cancel / Update).

Item	Details
Coverage	Mainland China; ~1-day history window
Update frequency	About every 30 minutes
Timezone	Business times are usually Beijing time; station forecast store uses UTC and responses also include local time
Auth	`X-API-Key` header; module grant required

GET /v1/weather/alerts/all
GET /weather/alerts/all

Parameter	Type	Required	Description
`start`	integer	yes	Unix timestamp (seconds); earliest ~1 day ago
`city_uid` / `city_code` / `city_name` / `lat`+`lon`	—	no	Optional city filter
`format`	string	no	Response format

Field	Type	Unit	Description
`alarm_id`	string	—	Alert ID
`status`	string	—	`Alert` / `Cancel` / `Update`
`title`	string	—	Title
`type`	string	—	Type name
`type_id`	integer	—	Type ID
`level`	string	—	Level name
`level_id`	integer	—	Level ID
`description`	string	—	Description
`pub_time`	string	ISO8601	Publish time
`expires_at`	string	ISO8601	Expiry time
`region_id`	string	—	Region ID
`city_uid`	integer	—	City ID
`city_code`	string	—	City code
`city_name`	string	—	City name
`parent_city`	string	—	Parent city
`province`	string	—	Province
`sender`	string	—	Issuing unit
`references`	string	—	Related alert references