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Latest air quality data: León

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

particulate matter (PM2.5) dust - 5 (Good)
particulate matter (PM10) suspended dust - 6 (Good)
ozone (O3) - 39 (Good)
nitrogen dioxide (NO2) - 1 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 136 (Good)

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

AQI 1 Good

What is the air quality in León today? Is the air polluted in León?. 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 León.

What is the current level of PM2.5 in León? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in León in the last 7 days was: 8 (Thursday, August 20, 2026) and the lowest: 3 (Wednesday, August 26, 2026).

What is the level of PM10 today in León? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in León is: 6 (Good)

How is the O3 level today in León? (ozone (O3))
39 (Good)

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

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

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

Current data Wednesday, August 26, 2026 at 7:00 PM

PM2,5 5 (Good)

PM10 6 (Good)

O3 39 (Good)

NO2 1 (Good)

SO2 3 (Good)

CO 136 (Good)

Data on air pollution from recent days in León

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	3 Good	5 Good	7 Good	3 Good	4 Good	8 Good	4 Good
pm10	4 Good	4 Good	7 Good	14 Good	4 Good	5 Good	12 Good	7 Good
o3	37 Good	38 Good	44 Good	41 Good	36 Good	42 Good	47 Good	40 Good
no2	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	2 Good
so2	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	1 Good
co	132 Good	131 Good	126 Good	106 Good	114 Good	125 Good	135 Good	128 Good

data source »

León

Wednesday, August 26, 2026 at 7:00 PM

PM2,5 4.6 (Good)

particulate matter (PM2.5) dust

PM10 6.1 (Good)

particulate matter (PM10) suspended dust

O3 39 (Good)

ozone (O3)

NO2 1.3 (Good)

nitrogen dioxide (NO2)

SO2 2.7 (Good)

sulfur dioxide (SO2)

CO 136 (Good)

carbon monoxide (CO)

León

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	4.4	8.2	3.7	3.1	7.3	4.8	2.7	3.3
pm10	6.9	12	5.1	4.4	14	7.3	3.6	4.4
o3	40	47	42	36	41	44	38	37
no2	1.8	1.4	1.1	1.3	0.95	1.1	1.4	1.5
so2	1.3	1.9	1.8	1.8	1.9	2.2	1.7	1.8
co	128	135	125	114	106	126	131	132

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

🌦️ Weather · 16-day Forecast — León

16-day weather forecast for León: today around 32°C (cloudy), lows near 24°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — León

The UV index in León today is 6.5 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around León — compare nearby locations.

Chinandega 8 µg/m³
Managua 6 µg/m³
Tipitapa 7 µg/m³
Masaya 7 µg/m³
Matagalpa 7 µg/m³

Frequently asked questions

Is the air safe to breathe in León today?

The current average PM2.5 across León 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 León?

Right now PM2.5 in León 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 León?

Over the past week, the highest daily PM2.5 in León was recorded on Thursday, August 20 (about 8 µg/m³).

What is the UV index in León today?

The UV index in León today is 6.5 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in León?

A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

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.