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Air quality in Sarnia
Air quality index (AQI) and PM2.5 air pollution in Sarnia
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Sarnia Air Quality Map
Real-time Sarnia air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Sarnia today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Sarnia?
| Weather | Broken clouds |
| Temperature | 71.6°F |
| Humidity | 70% |
| Wind | 8.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Grimshaw, Alberta | 59 |
| 2 | Hamilton, Ontario | 55 |
| 3 | Valemount, British Columbia | 54 |
| 4 | Levis, Quebec | 52 |
| 5 | Waterloo, Ontario | 51 |
| 6 | Kitchener, Ontario | 49 |
| 7 | Leduc, Alberta | 49 |
| 8 | London, Ontario | 49 |
| 9 | Mississauga, Ontario | 46 |
| 10 | Oakville, Ontario | 45 |
(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 | Sandpiper Drive | 64 |
| 2 | Ontario - Sarnia | 58 |
(local time)
SEE WORLD AQI RANKING
US AQI
61
live AQI index
Moderate
Overview
What is the current air quality in Sarnia?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 61 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.5µg/m³ | |
| NO2 | 8.3µg/m³ | |
| SO2 | 7.6µg/m³ | |
!
PM2.5
x2.9
PM2.5 concentration in Sarnia is currently 2.9 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 15 | Good 47 AQI US  |  | 69.8° 46.4° |  8.9 mp/h |
| Thursday, May 16 | Good 49 AQI US | | 68° 57.2° | 8.9 mp/h |
| Friday, May 17 | Moderate 55 AQI US |  | 71.6° 53.6° | 6.7 mp/h |
| Today | Moderate 61 AQI US | | 71.6° 53.6° | 6.7 mp/h |
| Sunday, May 19 | Moderate 66 AQI US | 60% | 75.2° 53.6° | 13.4 mp/h |
| Monday, May 20 | Moderate 66 AQI US | 60% | 77° 53.6° | 11.2 mp/h |
| Tuesday, May 21 | Moderate 68 AQI US | 40% | 78.8° 62.6° | 13.4 mp/h |
| Wednesday, May 22 | Moderate 59 AQI US | 100% | 75.2° 55.4° | 17.9 mp/h |
| Thursday, May 23 | Good 24 AQI US | | 62.6° 51.8° | 8.9 mp/h |
| Friday, May 24 | Good 21 AQI US |  | 69.8° 48.2° | 6.7 mp/h |
| Saturday, May 25 | Good 29 AQI US | | 75.2° 53.6° | 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