A sensor on a construction site in Birmingham. Another on a rooftop in Athens. A third near Belgrade, in an area where industrial activity and residential heating push pollution well above what reference stations typically capture. Three cities, three very different contexts, but the underlying problem is identical. Need for reliable data about the air […]

Key Takeaways Hiding pollution data fuels suspicion; publishing it turns frustrated critics into informed partners. The Airly App puts street-level air quality readings on every resident’s phone, in real time. Cities that share live readings receive fewer ad-hoc complaints during smog episodes. Transparent data only builds trust when paired with visible action plans. Open monitoring […]

When air quality drops, residents need clear, timely guidance. Air quality alerts are among the most direct public health tools cities have, and a well-timed message can prevent thousands of exposures. See how leading cities turn raw sensor readings into clear public guidance! What you’ll find here: Thresholds that should trigger air quality alerts under […]

The environmental clock is ticking. The more time we remain inactive, the more probable it is that poor air quality will cause irreversible damage to our planet. The future effects of air pollution are severe – both to us and our surroundings. This calls for an immediate action. We need to tackle local air pollution […]

Airly Analysis Based on DEFRA Monitoring Data Highlights Urgent Need for Localised Action Northern England is facing a widening air quality challenge that risks deepening the long‑standing North–South divide. New analysis conducted by data scientists from Airly, based on 2025 data from DEFRA reference stations, shows that none of the 18 assessed Northern cities met […]

Any sensor can claim to precisely measure air quality. Far fewer can prove it. At Airly, quality assurance is not a marketing statement – it is a documented, independently verified process that runs from factory calibration to continuous field validation. Here is what that means in practice. A reference station on our premises – test […]