Air Quality score
Health-oriented air-quality conditions with context from WHO, EEA, and EPA benchmarks.
Air Quality in Toronto80/100
Air Quality
Air Quality in Toronto
Toronto has solid baseline air quality with episodic wildfire-smoke events as the main exposure spike. Air Quality in Toronto scores 80/100, placing it in the strong group of the indexed set.
- Last updated
- 2026-05-16
- Data year
- 2025
- Module score
- 80/100
Clean-air score
80/100
Strong baseline with episodic wildfire-smoke pressure.
Primary pollutant watch
PM2.5 (smoke)
Wildfire smoke is the main PM2.5 driver in recent years.
Policy context
Strong
Clean-air policies support a healthy baseline.
Toronto air quality data table
This HTML table mirrors the visible score cards so important comparison data is never trapped in a browser-only chart.
| Metric | Value | Context |
|---|---|---|
| Clean-air score | 80/100 | Trans-regional smoke events drive most exposure spikes. |
| Primary pollutant watch | PM2.5 (smoke) | Indoor-air strategies and air-quality alerts matter on smoke days. |
| Policy context | Strong | Smoke-event preparedness is rising in importance. |
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.
| City | Score | Summary |
|---|---|---|
| Toronto (this page) | 80/100 | Toronto has solid baseline air quality with episodic wildfire-smoke events as the main exposure spike. |
| Vancouver | 86/100 | Vancouver has strong baseline air quality, helped by coastal context, with episodic wildfire smoke the main seasonal concern. |
| Banff | 82/100 | Banff'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. |
| Quebec City | 82/100 | Quebec 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. |
| Halifax | 82/100 | Halifax'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. |
| Victoria | 82/100 | Victoria'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. |
| Burnaby | 81/100 | Burnaby'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. |
| Surrey | 80/100 | Surrey'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. |
| Ottawa | 80/100 | Ottawa'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. |
| Winnipeg | 80/100 | Winnipeg'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. |
| Saskatoon | 80/100 | Saskatoon'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. |
| Markham | 79/100 | Markham'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. |
| Mississauga | 78/100 | Mississauga'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. |
| Laval | 78/100 | Laval'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. |
| Vaughan | 78/100 | Vaughan'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. |
| Longueuil | 78/100 | Longueuil'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. |
| Calgary | 78/100 | Calgary'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. |
| Edmonton | 78/100 | Edmonton'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. |
| Waterloo | 78/100 | Waterloo'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. |
| Brampton | 77/100 | Brampton'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. |
| Moncton | 76/100 | Moncton'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. |
| Lethbridge | 76/100 | Lethbridge'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. |
| Montreal | 76/100 | Montreal'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. |
| Guelph | 75/100 | Guelph'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. |
| Peterborough | 75/100 | Peterborough'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. |
| Belleville | 75/100 | Belleville'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. |
| Barrie | 75/100 | Barrie'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. |
| Kingston | 75/100 | Kingston'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. |
| Kelowna | 75/100 | Kelowna'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. |
| Lévis | 75/100 | Lévis'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. |
| Coquitlam | 75/100 | Coquitlam'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. Toronto's baseline is healthy; smoke events drive most spikes. Across the indexed cities the air quality average is 64/100, so Toronto is 16 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 toronto 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.
- World Health Organization: WHO Global Air Quality Guidelines
Used to normalize air-quality indicators toward health-protective benchmarks.
Continue exploring
These links connect module pages back to city, ranking, and sibling topic paths with crawlable href values.
Toronto city profile
Return to the complete Toronto profile with all module scores and source context.
Cost of Living in Toronto
Affordability, essential costs, and day-to-day financial pressure for residents.
Energy in Toronto
Clean-energy readiness, grid resilience, and solar or efficiency opportunity signals.
Safety in Toronto
Personal safety, institutional trust, and resilience signals informed by international safety and crime data.
Internet Speed in Toronto
Broadband and mobile connectivity quality, latency, and digital-readiness signals for residents and remote workers.
Climate Risk in Toronto
Climate exposure, hazard frequency, and adaptation context for floods, heat, storms, and wildfires.
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.