Global CityIntelligence

Air Quality

Air Quality in Hong Kong

Hong Kong's air-quality profile is improving with policy attention, while particulate and ozone exposure remain key health signals. Air Quality in Hong Kong scores 70/100, placing it in the solid group of the indexed set.

Last updated
2026-05-16
Data year
2025
Module score
70/100

Air Quality score

Health-oriented air-quality conditions with context from WHO, EEA, and EPA benchmarks.

Air Quality in Hong Kong70/100

Clean-air score

70/100

Improving profile with persistent pollutant exposure.

Primary pollutant watch

PM2.5 and ozone

Fine particles and ozone remain central health benchmarks.

Monitoring confidence

High

Public monitoring supports trend visibility.

Hong Kong air quality data table

This HTML table mirrors the visible score cards so important comparison data is never trapped in a browser-only chart.

Hong Kong Air Quality data table
MetricValueContext
Clean-air score70/100Trend is favorable; absolute exposure still matters.
Primary pollutant watchPM2.5 and ozoneRegional and local sources contribute concurrently.
Monitoring confidenceHighHealth-based benchmarks anchor the score.

Air Quality city comparison

A crawlable comparison across a selection of same-country and top-scoring cities. The complete set is reachable via the rankings, the cities index, and each city profile.

Air Quality city comparison table
CityScoreSummary
Hong Kong (this page)70/100Hong Kong's air-quality profile is improving with policy attention, while particulate and ozone exposure remain key health signals.
Reykjavik90/100Reykjavik's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Copenhagen88/100Copenhagen performs well on clean-air context, helped by compact mobility, regional monitoring, and strong European air-quality governance.
Zurich88/100Zurich performs strongly on clean air, supported by compact transit-led mobility and rigorous European monitoring.
Helsinki88/100Helsinki performs well against health-oriented air-quality benchmarks with steady European monitoring.
Wellington88/100Wellington performs well on air-quality benchmarks, with coastal winds supporting dispersion.
Oslo87/100Oslo performs well against health-oriented air-quality benchmarks, with strong European monitoring context.
Ponta Delgada86/100Ponta Delgada's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Espoo86/100Espoo's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Auckland86/100Auckland has strong baseline air quality, supported by coastal context and comparatively low pollutant exposure.
Vancouver86/100Vancouver has strong baseline air quality, helped by coastal context, with episodic wildfire smoke the main seasonal concern.
Stockholm86/100Stockholm performs well against health-oriented air-quality benchmarks, with European monitoring context.
Perth86/100Perth performs well against health-oriented air-quality benchmarks, with bushfire smoke the seasonal concern.
Amsterdam85/100Amsterdam performs well on clean air, supported by compact mobility patterns and European monitoring depth.
Guarda84/100Guarda's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Lucerne84/100Lucerne's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Tromso84/100Tromso's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Vienna84/100Vienna's clean-air profile is strong, supported by compact transit-led mobility and continuous European monitoring.
Seattle84/100Seattle has strong baseline air quality with episodic wildfire smoke the main seasonal concern.
Melbourne84/100Melbourne has strong baseline air quality with episodic bushfire smoke the main seasonal concern.
Brisbane84/100Brisbane has strong baseline air quality, supported by coastal context, with episodic bushfire smoke the main seasonal concern.
Canberra84/100Canberra's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Geneva84/100Geneva's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Basel84/100Basel's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Hobart84/100Hobart's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Aarhus84/100Aarhus's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Tampere84/100Tampere's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Bern83/100Bern's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Trondheim83/100Trondheim's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Vejle83/100Vejle's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.
Wels83/100Wels's air-quality profile is a directional indicator framed against WHO and regional benchmarks; verified city-level measurements appear in the dedicated air-quality dataset section once integrated.

Interpretation

Air-quality scoring weighs pollutant exposure with monitoring depth. Hong Kong's monitoring is strong; pollutant levels still warrant attention. Across the indexed cities the air quality average is 64/100, so Hong Kong is 6 points above the median. Data year 2025; last updated 2026-05-16. Drawn from 1 institutional reference.

Read this module with the main open the hong kong city profile and the read the scoring methodology page so single-topic pages do not hide tradeoffs across dimensions.

Structured indicators on this page are directional and intended for orientation. Verified datasets are being integrated; official sources should be used for critical decisions.

Sources

One institutional reference informs this view. Structured indicators on this page are directional and intended for orientation; verified datasets are being integrated and official sources should be used for critical decisions.

Continue exploring

These links connect module pages back to city, ranking, and sibling topic paths with crawlable href values.

Energy in Hong Kong

Clean-energy readiness, grid resilience, and solar or efficiency opportunity signals.

Safety in Hong Kong

Personal safety, institutional trust, and resilience signals informed by international safety and crime data.

Internet Speed in Hong Kong

Broadband and mobile connectivity quality, latency, and digital-readiness signals for residents and remote workers.

Overall Intelligence

A balanced ranking of cities across affordability, air quality, clean-energy readiness, and resilience.

Quality of Life

Cities that combine strong services, mobility, safety, clean air, and resilience into a healthy day-to-day profile.