Global CityIntelligence

Air Quality

Air Quality in San Francisco

San Francisco has a healthy baseline air profile, with episodic wildfire-smoke events as the main exposure pressure in recent years. Air Quality in San Francisco scores 78/100, placing it in the solid group of the indexed set.

Last updated
2026-05-16
Data year
2025
Module score
78/100

Air Quality score

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

Air Quality in San Francisco78/100

Clean-air score

78/100

Strong baseline with episodic smoke pressure.

Primary pollutant watch

PM2.5 (smoke)

Wildfire smoke is the main PM2.5 driver in recent years.

Monitoring confidence

High

EPA standards and reporting support trend visibility.

San Francisco air quality data table

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

San Francisco Air Quality data table
MetricValueContext
Clean-air score78/100Wildfire-smoke events drive most exposure spikes.
Primary pollutant watchPM2.5 (smoke)Indoor-air strategies matter on smoke days.
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
San Francisco (this page)78/100San Francisco has a healthy baseline air profile, with episodic wildfire-smoke events as the main exposure pressure in recent years.
Seattle84/100Seattle has strong baseline air quality with episodic wildfire smoke the main seasonal concern.
Madison80/100Madison'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.
Boston78/100Boston'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.
Minneapolis78/100Minneapolis'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.
Washington DC76/100Washington DC'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.
San Diego76/100San Diego'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.
Portland76/100Portland'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.
Raleigh76/100Raleigh'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.
Boulder76/100Boulder'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.
Garland75/100Garland'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.
Santa Clarita75/100Santa Clarita'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.
Jackson74/100Jackson'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.
Chicago74/100Chicago's air-quality profile is moderate-to-good, shaped by traffic and industrial sources, with strong EPA monitoring.
Charlotte74/100Charlotte'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.
Tampa74/100Tampa'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.
Orlando74/100Orlando'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.
Columbus74/100Columbus'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.
Kansas City74/100Kansas City'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.
Milwaukee74/100Milwaukee'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.
Chandler74/100Chandler'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.
Indianapolis73/100Indianapolis'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.
San Antonio73/100San Antonio'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.
Cincinnati73/100Cincinnati'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.
Cleveland73/100Cleveland'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.
Laredo73/100Laredo'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.
Colorado Springs72/100Colorado Springs'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.
New York72/100New York has extensive monitoring and policy capacity, but particulate and ozone exposure remain important health signals.
Denver72/100Denver'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.
Nashville72/100Nashville'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.
Baltimore72/100Baltimore'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 baseline pollutant exposure with episodic wildfire-smoke pressure. San Francisco's baseline is strong; smoke events drive most spikes. Across the indexed cities the air quality average is 64/100, so San Francisco is 14 points above the median. Data year 2025; last updated 2026-05-16. Drawn from 2 institutional references.

Read this module with the main open the san francisco 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

2 institutional references inform this view, listed below with reliability notes. 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.

Safety in San Francisco

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

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.