Air Quality Programmatic APIs

aid: air-quality-programmatic-apis
url: >-
  https://raw.githubusercontent.com/api-search/air-quality-programmatic-apis/refs/heads/main/apis.yml
apis:
- aid: air-quality-programmatic-apis:air-quality-programmatic-apis
  name: AQICN Real-Time Air Quality API
  tags:
  - Air Quality
  - AQI
  - PM2.5
  - EPA
  - Environment
  - Public Health
  - Real-Time
  - Open Data
  humanURL: https://aqicn.org/api/
  properties:
  - url: https://aqicn.org/api/
    type: Documentation
  - url: https://aqicn.org/json-api/doc/
    type: APIReference
    title: JSON API Reference
  - url: openapi/air-quality-programmatic-apis-openapi.yml
    type: OpenAPI
    title: Map Tile API
  - url: https://aqicn.org/data-platform/token/
    type: Authentication
    title: API Token Request
  description: >-
    Real-time and forecast air quality data from 11,000+ monitoring stations globally. Returns AQI measurements for PM2.5, PM10, NO2, CO, SO2, and ozone pollutants by city, station, geographic coordinates,
    or IP geolocation. Includes weather data and 3-8 day air quality forecasts.
- aid: air-quality-programmatic-apis:aqicn-json-api
  name: AQICN JSON Air Quality API
  tags:
  - Air Quality
  - AQI
  - PM2.5
  - JSON
  - Real-Time
  - Forecast
  humanURL: https://aqicn.org/json-api/doc/
  description: JSON API returning real-time AQI station data by city name, station name, geographic coordinates, or IP geolocation. Includes pollutant breakdowns (PM2.5, PM10, NO2, CO, SO2, O3), 
    weather data, and multi-day forecasts.
  properties:
  - url: https://aqicn.org/json-api/doc/
    type: Documentation
  - url: https://aqicn.org/json-api/doc/
    type: APIReference
  - url: openapi/aqicn-json-api-openapi.yaml
    type: OpenAPI
name: Air Quality Programmatic APIs
tags:
- Air Quality
- Environment
- EPA
- Open Data
- Public Health
- IoT
- Government Data
- Real-Time Data
type: Contract
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
common:
- name: AQICN FAQ
  url: https://aqicn.org/faq/
  type: FAQ
  description: Frequently asked questions about AQICN air quality data and APIs.
- name: AQICN API Token
  url: https://aqicn.org/data-platform/token/
  type: Authentication
  description: Request an API access token for AQICN programmatic APIs.
- name: AQICN Map
  url: https://aqicn.org/map/
  type: Portal
  description: World air quality index map powered by the AQICN API.
- name: AQICN Data Platform
  url: https://aqicn.org/data-platform/
  type: Portal
  description: AQICN data platform for historical downloads and enterprise access.
- name: AQICN Terms of Use
  url: https://aqicn.org/api/tos/
  type: TermsOfService
  description: Terms of service for AQICN API usage (non-commercial free use).
- type: Features
  data:
  - name: Real-Time AQI Data
    description: Live air quality index readings from 11,000+ monitoring stations updated continuously.
  - name: Global Coverage
    description: Data from 1,000+ cities worldwide including US EPA, China MEP, Europe EEA, and other monitoring networks.
  - name: Multi-Pollutant Data
    description: Pollutant-specific AQI for PM2.5, PM10, nitrogen dioxide, carbon monoxide, sulfur dioxide, and ozone.
  - name: Air Quality Forecasts
    description: 3-8 day air quality forecasts for major monitoring stations.
  - name: Geolocation Queries
    description: Find nearest stations by latitude/longitude, city name, or IP-based geolocation.
  - name: Map Tile API
    description: Raster map tiles for overlaying real-time AQI data on web maps (Leaflet, Google Maps, etc.).
  - name: Station Search
    description: Search and discover monitoring stations by name or location within a geographic boundary.
  - name: Weather Data
    description: Current weather conditions co-located with air quality measurements.
- type: UseCases
  data:
  - name: Air Quality Mobile Apps
    description: Build apps that show users real-time air quality for their location with health recommendations.
  - name: Environmental Monitoring Dashboards
    description: Create web dashboards visualizing air quality trends across cities and regions.
  - name: Public Health Research
    description: Access historical and real-time air quality data for epidemiological and public health research.
  - name: Smart City Integration
    description: Integrate air quality data into smart city platforms and IoT systems for environmental management.
  - name: Outdoor Activity Planning
    description: Provide air quality-based recommendations for outdoor activities in fitness and weather apps.
- type: Integrations
  data:
  - name: Leaflet Maps
    description: Integrate AQI map tiles with Leaflet.js for interactive air quality maps.
  - name: Google Maps
    description: Overlay AQI data on Google Maps using the tile API.
  - name: US EPA AirNow
    description: Data aggregated from US EPA AirNow monitoring network.
  - name: OpenAQ
    description: Complementary open air quality data platform with API access.
- name: AQICN Spectral Rules
  url: rules/aqicn-spectral-rules.yml
  type: SpectralRules
  description: Spectral rules for AQICN API conventions.
- name: Air Quality Monitoring Capability
  url: capabilities/air-quality-monitoring.yaml
  type: NaftikoCapability
  description: Naftiko workflow for air quality monitoring.
- name: AQICN Vocabulary
  url: vocabulary/aqicn-vocabulary.yaml
  type: Vocabulary
  description: Taxonomy for AQICN air quality APIs.
created: '2024-11-07'
modified: '2026-04-19'
position: Consuming
description: >-
  Air Quality Programmatic APIs provide real-time and forecast air quality data from 11,000+ monitoring stations in 1,000+ cities worldwide. APIs deliver Air Quality Index (AQI) measurements for PM2.5,
  PM10, NO2, CO, SO2, and ozone pollutants. Provided by AQICN (World Air Quality Index project) in partnership with the US EPA and global environmental agencies. Data is available via JSON API and map tile
  API for visualization.
maintainers:
- FN: Kin Lane
  email: [email protected]
specificationVersion: '0.19'