SmogRank / Canada / British Columbia

Air quality in Squamish

British Columbia, Canada. PM2.5 from 1 reference monitor, updated hourly.

– µg/m³

No reading in the last few days.

Rank

24 h
–
not enough data
7 days
#1,996
of 2,341 · 4.4 µg/m³
30 days
#1,297
of 2,337 · 6.0 µg/m³
Year
#1,972
of 2,166 · 5.8 µg/m³

Last 0 days, hour by hour

No hourly readings yet.

Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: 2.5 µg/m³2025-09-30: 4.1 µg/m³2025-10-01: 3.4 µg/m³2025-10-02: 2.3 µg/m³2025-10-03: 5.8 µg/m³2025-10-04: 5.2 µg/m³2025-10-05: 6.2 µg/m³2025-10-06: 5.5 µg/m³2025-10-07: 4.6 µg/m³2025-10-08: 4.2 µg/m³2025-10-09: 4.4 µg/m³2025-10-10: 4.1 µg/m³2025-10-11: 4.6 µg/m³2025-10-12: 2.9 µg/m³2025-10-13: 2.4 µg/m³2025-10-14: 5.1 µg/m³2025-10-15: 4.2 µg/m³2025-10-16: 6.5 µg/m³2025-10-17: 7.9 µg/m³2025-10-18: 5.6 µg/m³2025-10-19: 2.7 µg/m³2025-10-20: 3.8 µg/m³2025-10-21: 3.6 µg/m³2025-10-22: 7.9 µg/m³2025-10-23: 4.2 µg/m³2025-10-24: 3.8 µg/m³2025-10-25: no data2025-10-26: no data2025-10-27: 3.9 µg/m³2025-10-28: 2.7 µg/m³2025-10-29: 4.6 µg/m³2025-10-30: 2.7 µg/m³2025-10-31: 4.4 µg/m³2025-11-01: 2.6 µg/m³2025-11-02: 5.5 µg/m³2025-11-03: 3.8 µg/m³2025-11-04: 3.8 µg/m³2025-11-05: 2.2 µg/m³2025-11-06: 2.3 µg/m³2025-11-07: 6.5 µg/m³2025-11-08: 2.0 µg/m³2025-11-09: 4.0 µg/m³2025-11-10: 3.2 µg/m³2025-11-11: 4.8 µg/m³2025-11-12: 2.3 µg/m³2025-11-13: 1.5 µg/m³2025-11-14: no data2025-11-15: no data2025-11-16: no data2025-11-17: no data2025-11-18: no data2025-11-19: no data2025-11-20: 6.7 µg/m³2025-11-21: 2.9 µg/m³2025-11-22: 2.1 µg/m³2025-11-23: 4.2 µg/m³2025-11-24: 4.7 µg/m³2025-11-25: 2.5 µg/m³2025-11-26: 2.1 µg/m³2025-11-27: 1.7 µg/m³2025-11-28: 3.4 µg/m³2025-11-29: 5.9 µg/m³2025-11-30: 6.8 µg/m³2025-12-01: 5.0 µg/m³2025-12-02: 3.7 µg/m³2025-12-03: 3.8 µg/m³2025-12-04: 2.9 µg/m³2025-12-05: 1.3 µg/m³2025-12-06: 3.1 µg/m³2025-12-07: 3.1 µg/m³2025-12-08: 2.5 µg/m³2025-12-09: 6.7 µg/m³2025-12-10: 2.4 µg/m³2025-12-11: 4.2 µg/m³2025-12-12: 2.2 µg/m³2025-12-13: 3.1 µg/m³2025-12-14: 3.1 µg/m³2025-12-15: 1.9 µg/m³2025-12-16: 2.3 µg/m³2025-12-17: 1.2 µg/m³2025-12-18: 1.2 µg/m³2025-12-19: 1.8 µg/m³2025-12-20: 2.1 µg/m³2025-12-21: 3.9 µg/m³2025-12-22: no data2025-12-23: no data2025-12-24: no data2025-12-25: no data2025-12-26: no data2025-12-27: no data2025-12-28: no data2025-12-29: no data2025-12-30: 3.9 µg/m³2025-12-31: 3.8 µg/m³2026-01-01: 7.2 µg/m³2026-01-02: 4.1 µg/m³2026-01-03: 2.7 µg/m³2026-01-04: 4.1 µg/m³2026-01-05: 5.0 µg/m³2026-01-06: 1.9 µg/m³2026-01-07: 4.8 µg/m³2026-01-08: 4.2 µg/m³2026-01-09: no data2026-01-10: no data2026-01-11: no data2026-01-12: no data2026-01-13: no data2026-01-14: no data2026-01-15: no data2026-01-16: no data2026-01-17: no data2026-01-18: no data2026-01-19: no data2026-01-20: no data2026-01-21: no data2026-01-22: no data2026-01-23: no data2026-01-24: no data2026-01-25: no data2026-01-26: no data2026-01-27: no data2026-01-28: 4.5 µg/m³2026-01-29: no data2026-01-30: no data2026-01-31: no data2026-02-01: no data2026-02-02: no data2026-02-03: no data2026-02-04: no data2026-02-05: no data2026-02-06: no data2026-02-07: no data2026-02-08: no data2026-02-09: no data2026-02-10: no data2026-02-11: no data2026-02-12: no data2026-02-13: no data2026-02-14: no data2026-02-15: no data2026-02-16: 2.2 µg/m³2026-02-17: 3.3 µg/m³2026-02-18: 3.5 µg/m³2026-02-19: 4.6 µg/m³2026-02-20: 4.2 µg/m³2026-02-21: 3.0 µg/m³2026-02-22: 1.9 µg/m³2026-02-23: 2.2 µg/m³2026-02-24: 2.7 µg/m³2026-02-25: 3.5 µg/m³2026-02-26: 2.6 µg/m³2026-02-27: 4.3 µg/m³2026-02-28: 4.8 µg/m³2026-03-01: 4.8 µg/m³2026-03-02: 5.0 µg/m³2026-03-03: 3.5 µg/m³2026-03-04: 1.7 µg/m³2026-03-05: 5.5 µg/m³2026-03-06: 3.5 µg/m³2026-03-07: 1.2 µg/m³2026-03-08: 1.4 µg/m³2026-03-09: 3.4 µg/m³2026-03-10: 2.9 µg/m³2026-03-11: 2.1 µg/m³2026-03-12: 1.8 µg/m³2026-03-13: 3.5 µg/m³2026-03-14: 3.3 µg/m³2026-03-15: 3.4 µg/m³2026-03-16: 2.3 µg/m³2026-03-17: 1.7 µg/m³2026-03-18: 1.2 µg/m³2026-03-19: 1.3 µg/m³2026-03-20: 1.8 µg/m³2026-03-21: 4.8 µg/m³2026-03-22: 3.7 µg/m³2026-03-23: 3.2 µg/m³2026-03-24: 2.2 µg/m³2026-03-25: 2.1 µg/m³2026-03-26: 3.2 µg/m³2026-03-27: 2.4 µg/m³2026-03-28: 3.9 µg/m³2026-03-29: 3.6 µg/m³2026-03-30: 4.3 µg/m³2026-03-31: 3.3 µg/m³2026-04-01: 2.4 µg/m³2026-04-02: 1.8 µg/m³2026-04-03: 3.3 µg/m³2026-04-04: 3.5 µg/m³2026-04-05: 4.5 µg/m³2026-04-06: 5.2 µg/m³2026-04-07: 6.0 µg/m³2026-04-08: 5.3 µg/m³2026-04-09: 5.4 µg/m³2026-04-10: 5.2 µg/m³2026-04-11: 6.9 µg/m³2026-04-12: 7.2 µg/m³2026-04-13: 4.5 µg/m³2026-04-14: 2.9 µg/m³2026-04-15: 2.5 µg/m³2026-04-16: 3.4 µg/m³2026-04-17: 5.2 µg/m³2026-04-18: 4.1 µg/m³2026-04-19: 3.5 µg/m³2026-04-20: 5.2 µg/m³2026-04-21: 6.6 µg/m³2026-04-22: 7.8 µg/m³2026-04-23: 7.3 µg/m³2026-04-24: 6.4 µg/m³2026-04-25: 5.1 µg/m³2026-04-26: 4.9 µg/m³2026-04-27: 7.5 µg/m³2026-04-28: 6.0 µg/m³2026-04-29: 5.6 µg/m³2026-04-30: 6.6 µg/m³2026-05-01: 8.7 µg/m³2026-05-02: 8.6 µg/m³2026-05-03: 7.5 µg/m³2026-05-04: 6.4 µg/m³2026-05-05: 8.5 µg/m³2026-05-06: 9.8 µg/m³2026-05-07: 8.1 µg/m³2026-05-08: 8.6 µg/m³2026-05-09: 8.8 µg/m³2026-05-10: 5.0 µg/m³2026-05-11: 3.1 µg/m³2026-05-12: 4.3 µg/m³2026-05-13: 7.2 µg/m³2026-05-14: 3.3 µg/m³2026-05-15: 1.5 µg/m³2026-05-16: 1.7 µg/m³2026-05-17: 3.3 µg/m³2026-05-18: 5.4 µg/m³2026-05-19: 4.8 µg/m³2026-05-20: 3.9 µg/m³2026-05-21: 5.3 µg/m³2026-05-22: 4.3 µg/m³2026-05-23: 5.0 µg/m³2026-05-24: 7.8 µg/m³2026-05-25: 4.4 µg/m³2026-05-26: 2.4 µg/m³2026-05-27: 3.8 µg/m³2026-05-28: 5.7 µg/m³2026-05-29: 5.8 µg/m³2026-05-30: 6.3 µg/m³2026-05-31: 3.8 µg/m³2026-06-01: 4.3 µg/m³2026-06-02: 5.4 µg/m³2026-06-03: 6.1 µg/m³2026-06-04: 3.7 µg/m³2026-06-05: 2.3 µg/m³2026-06-06: 0.9 µg/m³2026-06-07: 1.3 µg/m³2026-06-08: no data2026-06-09: 1.4 µg/m³2026-06-10: 1.2 µg/m³2026-06-11: 2.1 µg/m³2026-06-12: 4.6 µg/m³2026-06-13: 3.5 µg/m³2026-06-14: 5.0 µg/m³2026-06-15: 9.3 µg/m³2026-06-16: 5.2 µg/m³2026-06-17: 4.2 µg/m³2026-06-18: 5.8 µg/m³2026-06-19: 6.1 µg/m³2026-06-20: 8.5 µg/m³2026-06-21: 8.5 µg/m³2026-06-22: 5.5 µg/m³2026-06-23: 7.0 µg/m³2026-06-24: 8.8 µg/m³2026-06-25: 7.1 µg/m³2026-06-26: 2.2 µg/m³2026-06-27: 4.6 µg/m³2026-06-28: 3.8 µg/m³2026-06-29: 5.1 µg/m³2026-06-30: 5.4 µg/m³2026-07-01: 6.6 µg/m³2026-07-02: 4.0 µg/m³2026-07-03: 3.0 µg/m³2026-07-04: 4.6 µg/m³2026-07-05: 4.7 µg/m³2026-07-06: 7.6 µg/m³2026-07-07: 9.4 µg/m³2026-07-08: 3.6 µg/m³2026-07-09: 4.0 µg/m³2026-07-10: 4.1 µg/m³2026-07-11: 4.2 µg/m³2026-07-12: 1.7 µg/m³2026-07-13: 2.8 µg/m³2026-07-14: 12.0 µg/m³2026-07-15: 11.3 µg/m³2026-07-16: 8.0 µg/m³2026-07-17: 4.3 µg/m³2026-07-18: 4.7 µg/m³2026-07-19: 4.7 µg/m³2026-07-20: 14.3 µg/m³2026-07-21: 22.6 µg/m³2026-07-22: 19.1 µg/m³2026-07-23: 13.4 µg/m³2026-07-24: 5.9 µg/m³2026-07-25: 3.0 µg/m³2026-07-26: 0.7 µg/m³2026-07-27: no data2026-07-28: no data2026-07-29: 2.6 µg/m³2026-07-30: 4.4 µg/m³2026-07-31: 5.3 µg/m³2026-08-01: 3.6 µg/m³2026-08-02: 3.4 µg/m³2026-08-03: 4.2 µg/m³2026-08-04: 8.0 µg/m³2026-08-05: 35.7 µg/m³2026-08-06: 35.9 µg/m³2026-08-07: 16.7 µg/m³2026-08-08: 7.9 µg/m³2026-08-09: no data2026-08-10: no data2026-08-11: no data2026-08-12: 7.2 µg/m³2026-08-13: 10.6 µg/m³2026-08-14: 22.2 µg/m³2026-08-15: 19.2 µg/m³2026-08-16: 13.6 µg/m³2026-08-17: 16.0 µg/m³2026-08-18: 13.2 µg/m³2026-08-19: 8.9 µg/m³2026-08-20: 9.1 µg/m³2026-08-21: 12.2 µg/m³2026-08-22: 8.9 µg/m³2026-08-23: no data2026-08-24: no data2026-08-25: 13.3 µg/m³2026-08-26: 11.0 µg/m³2026-08-27: 3.3 µg/m³2026-08-28: 3.1 µg/m³2026-08-29: 3.2 µg/m³2026-08-30: 5.9 µg/m³2026-08-31: 3.8 µg/m³2026-09-01: 5.2 µg/m³2026-09-02: 2.3 µg/m³2026-09-03: 3.8 µg/m³2026-09-04: 2.9 µg/m³2026-09-05: 4.5 µg/m³2026-09-06: 4.5 µg/m³2026-09-07: 7.0 µg/m³2026-09-08: 7.1 µg/m³2026-09-09: 6.5 µg/m³2026-09-10: 5.6 µg/m³2026-09-11: 7.5 µg/m³2026-09-12: 6.3 µg/m³2026-09-13: 6.4 µg/m³2026-09-14: 6.8 µg/m³2026-09-15: 6.3 µg/m³2026-09-16: 6.8 µg/m³2026-09-17: 8.0 µg/m³2026-09-18: 8.5 µg/m³2026-09-19: 9.7 µg/m³2026-09-20: 9.9 µg/m³2026-09-21: 9.8 µg/m³2026-09-22: 9.7 µg/m³2026-09-23: 8.0 µg/m³2026-09-24: 4.7 µg/m³2026-09-25: 1.8 µg/m³2026-09-26: 6.3 µg/m³2026-09-27: 4.7 µg/m³2026-09-28: 4.4 µg/m³2026-09-29: 1.1 µg/m³
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

8 of 304 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#2335OctNovDecJanFebMarAprMayJunJulAugSep

Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15Jan 2025: 4.9 µg/m³JanFeb 2025: 3.3 µg/m³Feb 2026: 3.3 µg/m³FebMar 2025: 3.1 µg/m³Mar 2026: 3.0 µg/m³MarApr 2025: 4.7 µg/m³Apr 2026: 5.1 µg/m³AprMay 2025: 4.3 µg/m³May 2026: 5.6 µg/m³MayJun 2025: 5.4 µg/m³Jun 2026: 4.8 µg/m³JunJul 2025: 6.1 µg/m³Jul 2026: 6.8 µg/m³JulAug 2025: 8.4 µg/m³Aug 2026: 11.5 µg/m³AugSep 2025: 17.0 µg/m³Sep 2026: 6.1 µg/m³SepOct 2025: 4.5 µg/m³OctNov 2025: 3.6 µg/m³NovDec 2025: 3.0 µg/m³Dec

Faded bars: 2025. A month shows once it has 10 measured days.

This week against past years

This weekThis week: 4.4 µg/m³4.420252025: 5.0 µg/m³5.0

Mean PM2.5 for 23 Sept to 29 Sept in each year. Dashed line: WHO 24-hour guideline.

Monitors

StationOperatorType
SQUAMISH ELEMENTARYUS Public DomainAirNowReference
Garibaldi HighlandsCC BY 4.0AirGradientLow-cost

The city's value is the median of its reference monitors each hour; low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Other cities in Canada

Kamloops 8.4Chilliwack 7.5Vernon 7.3Edmonton 7.2Red Deer 7.2Calgary 7.1Prince George 7.0Abbotsford 6.7Kelowna 6.6Sorel-Tracy 6.1Harewood 6.1L'Ancienne-Lorette 6.0

30-day averages, µg/m³. All of Canada →

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.