Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Sarnia
Air quality index (AQI) and PM2.5 air pollution in Sarnia
3.3K people follow this city
Sarnia Air Quality Map
Real-time Sarnia air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
Pollen
What is the pollen count in Sarnia today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Sarnia?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 95% |
| Wind | 3.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Brampton, Ontario | 124 |
| 2 | Guelph, Ontario | 89 |
| 3 | Hamilton, Ontario | 89 |
| 4 | Oakville, Ontario | 88 |
| 5 | Burlington, Ontario | 75 |
| 6 | Mississauga, Ontario | 65 |
| 7 | Toronto, Ontario | 64 |
| 8 | Kitchener, Ontario | 61 |
| 9 | Oshawa, Ontario | 56 |
| 10 | Saguenay, Quebec | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Sarnia aqi ranking
Real-time Sarnia air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Ontario - Sarnia | 42 |
| 2 | Sandpiper Drive | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
42
live AQI index
Good
Overview
What is the current air quality in Sarnia?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 42 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5µg/m³ | |
| O3 | 104µg/m³ | |
| SO2 | 0.3µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Sarnia is currently 1.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Sarnia?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Sarnia air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 43 AQI US | | 69.8° 53.6° |  11.2 mp/h |
| Saturday, Jun 1 | Good 37 AQI US |  | 66.2° 55.4° | 13.4 mp/h |
| Sunday, Jun 2 | Good 42 AQI US | | 71.6° 51.8° | 4.5 mp/h |
| Today | Good 42 AQI US | | 71.6° 51.8° | 4.5 mp/h |
| Tuesday, Jun 4 | Moderate 58 AQI US  | | 78.8° 59° | 11.2 mp/h |
| Wednesday, Jun 5 | Moderate 59 AQI US | 100% | 73.4° 62.6° | 15.7 mp/h |
| Thursday, Jun 6 | Good 25 AQI US | 40% | 69.8° 53.6° | 17.9 mp/h |
| Friday, Jun 7 | Good 12 AQI US | 40% | 53.6° 51.8° | 15.7 mp/h |
| Saturday, Jun 8 | Good 26 AQI US | 90% | 66.2° 50° | 13.4 mp/h |
| Sunday, Jun 9 | Good 38 AQI US | 90% | 64.4° 50° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Sarnia air quality data attribution
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Sarnia?
AQI US, Metric