Climate & EnvironmentLive
Air Quality Check
Check ambient air quality against WHO guideline values with a composite AQI, per-pollutant tier ratings and a 30-day trend.
How it works
1
Pin a location
City, neighborhood, or facility perimeter.
2
Choose pollutants
Include the pollutants you care about; defaults follow WHO priorities.
3
Compute AQI
Composite index plus per-pollutant tier against WHO limits.
4
Share results
Signed report or free live link with tier context.
Run analysis
Pick a location
Select pollutants
Who uses this tool
Public health teams
Baseline neighborhood exposure and target interventions.
Site operators
Track ambient conditions around industrial sites for compliance.
Regulators
Compare monitoring station readings with modelled ambient estimates.
Data sources & methodology
Composite AQI blends per-pollutant concentrations against WHO 2021 Air Quality Guidelines and Copernicus CAMS reanalysis for background context.
WHO 2021 AQG
Global guideline values for PM2.5, PM10, NO₂, O₃, SO₂, CO.
Copernicus CAMS
Global atmospheric composition reanalysis and forecasts.
OpenAQ
Open ground-truth station observations, when available.
WHOCopernicus CAMSOpenAQEU AQ Directive
Frequently asked questions
Be the first to try it
Create a free account to save analyses, share evidence packs, and export sealed reports.
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