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

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Latest air quality data: Kitchener

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

particulate matter (PM2.5) dust - 3 (Good)
particulate matter (PM10) suspended dust - 3 (Good)
ozone (O3) - 90 (Moderate)
nitrogen dioxide (NO2) - 9 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 195 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Kitchener? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 3 (Good) For comparison, the highest level of PM2.5 in Kitchener in the last 7 days was: 6 (Thursday, August 20, 2026) and the lowest: 3 (Tuesday, August 25, 2026).

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

How is the O3 level today in Kitchener? (ozone (O3))
90 (Moderate)

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

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

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

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

PM2,5 3 (Good)

PM10 3 (Good)

O3 90 (Moderate)

NO2 9 (Good)

SO2 3 (Good)

CO 195 (Good)

Data on air pollution from recent days in Kitchener

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	5 Good	3 Good	3 Good	3 Good	4 Good	4 Good	6 Good	6 Good
pm10	5 Good	3 Good	3 Good	3 Good	4 Good	4 Good	6 Good	6 Good
o3	63 Good	53 Good	49 Good	59 Good	72 Moderate	64 Good	56 Good	72 Moderate
no2	13 Good	6 Good	3 Good	2 Good	9 Good	11 Good	11 Good	6 Good
so2	2 Good	1 Good	0 Good	0 Good	2 Good	3 Good	1 Good	1 Good
co	236 Good	168 Good	130 Good	133 Good	200 Good	214 Good	208 Good	169 Good

data source »

Kitchener

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 3.2 (Good)

particulate matter (PM2.5) dust

PM10 3.2 (Good)

particulate matter (PM10) suspended dust

O3 90 (Moderate)

ozone (O3)

NO2 9 (Good)

nitrogen dioxide (NO2)

SO2 2.6 (Good)

sulfur dioxide (SO2)

CO 195 (Good)

carbon monoxide (CO)

Kitchener

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	6.3	5.5	3.7	4.4	3.3	3	3	5
pm10	6.4	5.7	3.7	4.5	3.3	3	3	5.1
o3	72	56	64	72	59	49	53	63
no2	5.7	11	11	8.8	2.4	3.1	6.3	13
so2	0.94	1	3.1	2.2	0.35	0.44	0.58	1.9
co	169	208	214	200	133	130	168	236

* 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 Kitchener — compare nearby locations.

Brampton 7 µg/m³
Mississauga 7 µg/m³
Toronto 7 µg/m³
Markham 5 µg/m³
Oshawa 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 Kitchener today?

The current average PM2.5 across Kitchener 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 Kitchener?

Right now PM2.5 in Kitchener 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 Kitchener?

Over the past week, the highest daily PM2.5 in Kitchener was recorded on Wednesday, August 19 (about 6 µg/m³).

What is the UV index in Kitchener today?

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

Does today's wind help disperse smog in Kitchener?

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.