Smog in Oshawa — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

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Latest air quality data: Oshawa

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Pollution and air quality forecast for Oshawa. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Oshawa:

particulate matter (PM2.5) dust - 3 (Good)
particulate matter (PM10) suspended dust - 3 (Good)
ozone (O3) - 92 (Moderate)
nitrogen dioxide (NO2) - 8 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 205 (Good)

Real-time Air Quality Index (AQI) for Oshawa, Wednesday, August 26, 2026: 2.

AQI 2 Moderate

What is the air quality in Oshawa today? Is the air polluted in Oshawa?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is moderate in Oshawa. Some pollutants in Oshawa may slightly affect very few hypersensitive individuals. Air pollutants in Oshawa may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Oshawa? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 3 (Good) For comparison, the highest level of PM2.5 in Oshawa in the last 7 days was: 7 (Wednesday, August 19, 2026) and the lowest: 2 (Sunday, August 23, 2026).

What is the level of PM10 today in Oshawa? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Oshawa is: 3 (Good)

How is the O3 level today in Oshawa? (ozone (O3))
92 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
8 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)

How high is the CO level? (carbon monoxide (CO))
205 (Good)

Current data Wednesday, August 26, 2026 at 9:00 PM

PM2,5 3 (Good)

PM10 3 (Good)

O3 92 (Moderate)

NO2 8 (Good)

SO2 2 (Good)

CO 205 (Good)

Data on air pollution from recent days in Oshawa

index	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20	2026-08-19
pm25	6 Good	5 Good	3 Good	2 Good	3 Good	3 Good	4 Good	7 Good
pm10	6 Good	5 Good	3 Good	2 Good	3 Good	3 Good	4 Good	7 Good
o3	68 Good	56 Good	47 Good	63 Good	86 Moderate	69 Good	62 Good	72 Moderate
no2	12 Good	5 Good	7 Good	5 Good	4 Good	7 Good	7 Good	9 Good
so2	2 Good	1 Good	2 Good	2 Good	1 Good	1 Good	1 Good	3 Good
co	214 Good	154 Good	156 Good	162 Good	146 Good	159 Good	167 Good	180 Good

data source »

Quality of life in Oshawa

Green and Parks in the City

Oshawa 56%

United States: 70% Venezuela: 41% Iceland: 72%

particulate matter PM2.5

Oshawa 8 (Good)

Pleasure of spending time in the city

Oshawa 67%

United States: 75% The Bahamas: 53% Venezuela: 41% Iceland: 89%

particulate matter PM10

Oshawa 13 (Good)

Air Pollution

Oshawa 25%

United States: 29% The Bahamas: 52% Venezuela: 59% Iceland: 13%

Garbage Disposal

Oshawa 65%

United States: 71% The Bahamas: 29% Venezuela: 18% Iceland: 79%

Availability and quality of drinking water

Oshawa 70%

United States: 71% The Bahamas: 55% Venezuela: 28% Iceland: 96%

Cleanliness and tidiness

Oshawa 45%

United States: 60% The Bahamas: 35% Venezuela: 22% Iceland: 75%

Noise and Light pollution

Oshawa 45%

United States: 47% The Bahamas: 39% Venezuela: 47% Iceland: 23%

Water Pollution

Oshawa 40%

United States: 44% The Bahamas: 58% Venezuela: 76% Iceland: 8.4%

Source: Numbeo

Oshawa

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 2.5 (Good)

particulate matter (PM2.5) dust

PM10 2.5 (Good)

particulate matter (PM10) suspended dust

O3 92 (Moderate)

ozone (O3)

NO2 7.7 (Good)

nitrogen dioxide (NO2)

SO2 1.9 (Good)

sulfur dioxide (SO2)

CO 205 (Good)

carbon monoxide (CO)

Oshawa

index	2026-08-19	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26
pm25	6.9	3.6	2.7	3	2.4	3.1	4.5	5.9
pm10	7.1	3.7	2.7	3.1	2.4	3.1	4.6	6
o3	72	62	69	86	63	47	56	68
no2	9.2	6.8	6.8	3.7	4.9	6.8	4.7	12
so2	2.8	1.3	1.2	0.95	1.6	2.2	1.1	2.3
co	180	167	159	146	162	156	154	214

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Canada

16-day weather forecast for Canada: today around 22°C (rain), lows near 15°C. Daily temperature and conditions, updated every day. Strong wind (about 21 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Canada

The UV index in Canada today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Oshawa — compare nearby locations.

Markham 5 µg/m³
Toronto 7 µg/m³
Mississauga 7 µg/m³
Brampton 7 µg/m³
Kitchener 3 µg/m³
Montréal 11 µg/m³
Vancouver 10 µg/m³
Calgary 8 µg/m³

Frequently asked questions

Is the air safe to breathe in Oshawa today?

The current average PM2.5 across Oshawa is about 3 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Oshawa?

Right now PM2.5 in Oshawa averages about 3 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Oshawa?

Over the past week, the highest daily PM2.5 in Oshawa was recorded on Wednesday, August 19 (about 7 µg/m³).

What is the UV index in Oshawa today?

The UV index in Oshawa today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

Does today's wind help disperse smog in Oshawa?

Strong wind (about 21 km/h) is actively clearing smog and dust away.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.