emerging · 0.3

Air Quality

Score 21.0 / 100 34 providers 16 APIs Search apis.io →
Variants seen in the corpus: Air QualityAirQuality

Providers using this tag (34)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 1 Complete, well-documented, and agent-ready
Tomorrow.ioWeatherForecastClimateRisk10 APIs66.6
Strong 1 Solid coverage with minor gaps
OpenWeatherMapWeatherForecastClimateAir Pollution14 APIs62.3
Developing 12 Usable, with meaningful gaps to close
EPA — U.S. Environmental Protection AgencyGovernmentEnvironmentalOpen Data137 APIs53.7Google Maps PlatformEnvironmentGeocodingGeolocationMaps41 APIs49.8GoogleAdvertisingCloudDevelopersGoogle125 APIs45.2YrWeatherForecastMeteorologyClimate5 APIs42.9XweatherCompanyDataForecast9 APIs42.6BitfinderCompanyInternet of ThingsIoT3 APIs42.4AccuWeatherWeatherForecastMeteorologyLocation Services21 APIs42.3World Air Quality Index (WAQI)AQIEnvironmentPollution3 APIs41.5Open-MeteoWeatherForecastHistorical Weather10 APIs40.4Tomorrow.ioWeatherClimateForecastHistorical Weather11 APIs39.9WeatherbitWeatherForecastingHistorical Data22 APIs39.7OpenWeatherAir PollutionClimateForecasting3 APIs39.4
Thin 9 Limited public surface area
SensiboSmart HomeIoTAir ConditioningHVAC8 APIs38.6Air Quality Programmatic APIsEnvironmentEPAOpen Data6 APIs38.1DLREarth ObservationRemote SensingSatellite DataGeospatial10 APIs37.6IQAir AirVisualAQIPM2.5Weather5 APIs37.3CDCPublic HealthDisease SurveillanceVaccinationHealth Statistics14 APIs35.9AmbeeEnvironmental IntelligenceWeatherPollen6 APIs35.4ColorfulCloudsWeatherForecastingPrecipitation6 APIs33.6MeteoSource Air Quality Data APIEnvironmental DataForecastingWeather5 APIs33.6Centers for Disease Control and PreventionCDCEnvironmental HealthEpidemiologyFederal-Government9 APIs31.8
Emerging 6 Early or largely undocumented
ClimacellWeatherForecastClimateWeather Intelligence23.7Environmental Protection AgencyEnvironmentFederal-GovernmentOpen Data6 APIs20.8AerisWeatherWeatherForecastClimateSevere Weather1 API19.9MolekuleCompanyHardwareConsumer IoT1 API18.9BreezoMeterEnvironmentPollenWildfire5 APIs16.0UpcitiCompanySmart CitiesIoTSensors13.3
Minimal 5 Almost no public developer surface
AclimaCompanyEnvironmental IntelligenceClimate9.2PraanCompanyFrontier TechClimate7.4NeoplantsCompanyClimateBiotechnologyPlant Engineering5.5airqualityCompanyAir PurificationEnvironmental5.0CassieCompanyAir FiltrationHealthcare4.3

APIs with this tag (16)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Developing 7 Usable, with meaningful gaps to close
Air Quality APIRequest air quality data for a specific location including air quality indexes, pollutants, and health reco...49.8Google Air Quality APIThe Google Air Quality API allows applications to access real-time, historical, and forecasted air quality ...45.2Air Quality Forecast APIForecasts of air quality for locations in Norway, including concentrations of PM2.5, PM10, NO2, and ozone, ...42.9Xweather Air Quality APIAir quality index and pollutant data42.6AccuWeather AirQuality APIThe AirQuality API from AccuWeather — 1 operation(s) for airquality.42.3Weatherbit Air Quality APIHigh-quality air quality data derived from global and regional air quality models. Tracks six major polluta...39.7OpenWeather Air Pollution APICurrent, forecast, and historical air pollution data.39.4
Thin 6 Limited public surface area
EOC Atmosphere Web Map Service (WMS)OGC Web Map Service providing atmospheric data visualization layers from DLR including Sentinel-5P TROPOMI ...37.6CDC Environmental Public Health Tracking Network APIAllows querying of data from the CDC National Environmental Public Health Tracking Network. Returns JSON-fo...35.9Ambee Air Quality APIThe Air Quality API from Ambee — 5 operation(s) for air quality.35.4ColorfulClouds Air Quality APIReal-time pollutant readings and AQI values under CHN and USA standards.33.6MeteoSource Air Quality Data API Air Quality APIAir quality and pollution forecasts.33.6CDC Environmental Public Health Tracking Network APIThe Environmental Public Health Tracking Network API provides a REST interface over the National Tracking N...31.8
Emerging 3 Early or largely undocumented
EPA Air Quality System APIThe EPA Air Quality System (AQS) API provides programmatic access to ambient air pollution data collected b...20.8Xweather Weather APIRESTful weather data API providing access to 60+ endpoints for current conditions, forecasts, observations,...19.9BreezoMeter Air Quality APIReal-time and forecast air quality data with street-level accuracy, including pollutant levels (CO, NO2, O3...16.0

Score breakdown

Frequency
46.4
log-scaled weighted occurrences
Breadth
0.9
spread across providers
Quality lift
39.6
mean composite of providers using it
Cohesion
8.2
strength of nearest seed neighbor

Related tags

Pollen 6 co-occurrences Forecast 12 co-occurrences Pollution 5 co-occurrences Weather 19 co-occurrences Public Health 5 co-occurrences Environment 7 co-occurrences Climate 13 co-occurrences Maps 5 co-occurrences

Where this tag comes from

Provider tag28
Api tag16
Openapi tag5
Openapi op tag9

Cohort brief

Auto-generated

The 34 providers in the APIs.io catalog tagged Air Quality, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
34
all scored
Mean Kin Score
32.8
+12.1 vs catalog 20.7
Mean Agent Readiness
19
+9.3 vs catalog 9.7
Spread
4.3–66.6
median 37.5 · σ 15.8
How the 34 split by band
Exemplar 1Strong 1Developing 12Thin 9Emerging 6Minimal 5
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 37.7 17.5 +20.2 34
Access Clarity 38 22.3 +15.7 34
Discoverability 67.2 60.4 +6.8 34
Operational Transparency 17.8 11.3 +6.5 34
Developer Ergonomics 23.6 17.9 +5.7 34
Contract Governance 12 6.4 +5.6 34

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 12% 16% -4
MCP server (first-party) 3% 7% -4
Agent Skills 0% 0% 0
OAuth scopes 9% 9% 0
Security 100% 88% +12
Arazzo workflows 9% 2% +7
Governance rules 44% 13% +31

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 Tomorrow.io 66.6
  2. 2 OpenWeatherMap 62.3
  3. 3 EPA — U.S. Environmental Protection Agency 53.7
  4. 4 Google Maps Platform 49.8
  5. 5 Google 45.2
  6. 6 Yr 42.9
  7. 7 Xweather 42.6
  8. 8 Bitfinder 42.4
  9. 9 AccuWeather 42.3
  10. 10 World Air Quality Index (WAQI) 41.5
Top by Agent Readiness
  1. 1 Google 39.2
  2. 2 World Air Quality Index (WAQI) 35.4
  3. 3 IQAir AirVisual 32.5
  4. 4 Google Maps Platform 29.9
  5. 5 Bitfinder 29.8
  6. 6 Air Quality Programmatic APIs 28.7
  7. 7 Xweather 28.7
  8. 8 CDC 28.1
  9. 9 AccuWeather 25.8
  10. 10 Weatherbit 25.8
All 34 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

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  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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