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 | High | |
 | Tree pollen | High | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Sarnia?
| Weather | Clear sky |
| Temperature | 73.4°F |
| Humidity | 37% |
| Wind | 15 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  West End, British Columbia | 57 |
| 2 | Grimshaw, Alberta | 55 |
| 3 | Hamilton, Ontario | 53 |
| 4 | Oshawa, Ontario | 52 |
| 5 | Peace River, Alberta | 50 |
| 6 | Windsor, Ontario | 50 |
| 7 | Toronto, Ontario | 48 |
| 8 | La Tuque, Quebec | 47 |
| 9 | Laval, Quebec | 45 |
| 10 | Guelph, Ontario | 43 |
(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 | 53 |
| 2 | Sandpiper Drive | 31 |
(local time)
SEE WORLD AQI RANKING
US AQI
54
live AQI index
Moderate
Overview
What is the current air quality in Sarnia?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5µg/m³ | |
| O3 | 132µg/m³ | |
| SO2 | 0.8µg/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?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Sarnia air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 27 AQI US  | | 57.2° 42.8° |  11.2 mp/h |
| Thursday, May 30 | Good 32 AQI US | | 71.6° 46.4° | 6.7 mp/h |
| Friday, May 31 | Good 40 AQI US |  | 73.4° 53.6° | 11.2 mp/h |
| Today | Moderate 54 AQI US | | 73.4° 53.6° | 11.2 mp/h |
| Sunday, Jun 2 | Moderate 57 AQI US |  100% | 66.2° 57.2° | 11.2 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US | | 73.4° 55.4° | 8.9 mp/h |
| Tuesday, Jun 4 | Moderate 55 AQI US | 80% | 73.4° 60.8° | 11.2 mp/h |
| Wednesday, Jun 5 | Moderate 56 AQI US | 100% | 69.8° 60.8° | 17.9 mp/h |
| Thursday, Jun 6 | Good 17 AQI US | 50% | 71.6° 53.6° | 15.7 mp/h |
| Friday, Jun 7 | Good 10 AQI US | 100% | 66.2° 53.6° | 17.9 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