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

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Latest air quality data: Buffalo

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

particulate matter (PM2.5) dust - 5 (Good)
particulate matter (PM10) suspended dust - 5 (Good)
ozone (O3) - 55 (Good)
nitrogen dioxide (NO2) - 12 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 249 (Good)

Real-time Air Quality Index (AQI) for Buffalo, Wednesday, August 26, 2026: 1.

AQI 1 Good

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

Today (Wednesday, August 26, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Buffalo.

What is the current level of PM2.5 in Buffalo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Buffalo in the last 7 days was: 10 (Friday, August 21, 2026) and the lowest: 2 (Sunday, August 23, 2026).

What is the level of PM10 today in Buffalo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Buffalo is: 5 (Good)

How is the O3 level today in Buffalo? (ozone (O3))
55 (Good)

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

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

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

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

PM2,5 5 (Good)

PM10 5 (Good)

O3 55 (Good)

NO2 12 (Good)

SO2 1 (Good)

CO 249 (Good)

Data on air pollution from recent days in Buffalo

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	3 Good	6 Good	4 Good	2 Good	4 Good	10 Good	9 Good	8 Good
pm10	3 Good	6 Good	4 Good	2 Good	4 Good	10 Good	9 Good	8 Good
o3	65 Good	60 Good	47 Good	71 Moderate	74 Moderate	54 Good	59 Good	92 Moderate
no2	9 Good	10 Good	5 Good	3 Good	4 Good	12 Good	14 Good	7 Good
so2	1 Good	2 Good	1 Good	1 Good	1 Good	1 Good	1 Good	2 Good
co	160 Good	157 Good	125 Good	130 Good	146 Good	187 Good	190 Good	185 Good

data source »

Buffalo

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 5.1 (Good)

particulate matter (PM2.5) dust

PM10 5.1 (Good)

particulate matter (PM10) suspended dust

O3 55 (Good)

ozone (O3)

NO2 12 (Good)

nitrogen dioxide (NO2)

SO2 1.4 (Good)

sulfur dioxide (SO2)

CO 249 (Good)

carbon monoxide (CO)

Buffalo

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	7.9	9.2	9.6	4.3	2.3	3.6	5.9	3
pm10	8	9.4	9.8	4.4	2.3	3.6	6	3
o3	92	59	54	74	71	47	60	65
no2	6.7	14	12	4.1	3.2	5	10	9.3
so2	1.8	1.4	0.57	0.82	0.72	1	2.5	1.2
co	185	190	187	146	130	125	157	160

* 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 Buffalo — compare nearby locations.

Toronto 7 µg/m³
Montréal 11 µg/m³
Vancouver 10 µg/m³
Calgary 8 µg/m³
Ottawa 6 µg/m³
Edmonton 7 µg/m³
Mississauga 7 µg/m³
Winnipeg 5 µg/m³

Frequently asked questions

Is the air safe to breathe in Buffalo today?

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

What is the current PM2.5 level in Buffalo?

Right now PM2.5 in Buffalo averages about 5 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 Buffalo?

Over the past week, the highest daily PM2.5 in Buffalo was recorded on Friday, August 21 (about 10 µg/m³).

What is the UV index in Buffalo today?

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

Does today's wind help disperse smog in Buffalo?

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.