Air Quality in San Miguel Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: San Miguel

Locations: San Salvador » Santa Ana » San Miguel Apopa »

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

particulate matter (PM2.5) dust - 8 (Good)
particulate matter (PM10) suspended dust - 10 (Good)
ozone (O3) - 72 (Moderate)
nitrogen dioxide (NO2) - 4 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 224 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in San Miguel? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 8 (Good) For comparison, the highest level of PM2.5 in San Miguel in the last 7 days was: 19 (Thursday, August 20, 2026) and the lowest: 7 (Wednesday, August 26, 2026).

What is the level of PM10 today in San Miguel? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in San Miguel is: 10 (Good)

How is the O3 level today in San Miguel? (ozone (O3))
72 (Moderate)

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

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

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

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

PM2,5 8 (Good)

PM10 10 (Good)

O3 72 (Moderate)

NO2 4 (Good)

SO2 3 (Good)

CO 224 (Good)

Data on air pollution from recent days in San Miguel

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	7 Good	11 Good	13 Moderate	11 Good	8 Good	10 Good	19 Moderate	15 Moderate
pm10	8 Good	14 Good	20 Moderate	17 Good	10 Good	14 Good	29 Moderate	25 Moderate
o3	52 Good	56 Good	70 Moderate	60 Good	68 Good	71 Moderate	64 Good	53 Good
no2	7 Good	7 Good	6 Good	5 Good	5 Good	5 Good	7 Good	8 Good
so2	3 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	3 Good
co	205 Good	206 Good	286 Good	201 Good	194 Good	218 Good	257 Good	204 Good

data source »

San Miguel

Wednesday, August 26, 2026 at 7:00 PM

PM2,5 8.1 (Good)

particulate matter (PM2.5) dust

PM10 9.8 (Good)

particulate matter (PM10) suspended dust

O3 72 (Moderate)

ozone (O3)

NO2 4.1 (Good)

nitrogen dioxide (NO2)

SO2 2.5 (Good)

sulfur dioxide (SO2)

CO 224 (Good)

carbon monoxide (CO)

San Miguel

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	15	19	10	8.3	11	13	11	6.9
pm10	25	29	14	10	17	20	14	8
o3	53	64	71	68	60	70	56	52
no2	7.6	7.2	4.9	5.2	5.3	5.7	6.7	6.6
so2	2.6	2.4	2.4	2.1	1.9	2.5	2.4	2.5
co	204	257	218	194	201	286	206	205

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

🌦️ Weather · 16-day Forecast — El Salvador

16-day weather forecast for El Salvador: today around 33°C (rain), lows near 20°C. Daily temperature and conditions, updated every day. Wind is light today (about 7 km/h) — pollutants can build up near the ground.

☀️ UV Index · 16-day Forecast — El Salvador

The UV index in El Salvador today is 9.1 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around San Miguel — compare nearby locations.

San Salvador 13 µg/m³
Santa Ana 9 µg/m³
Apopa 7 µg/m³

Frequently asked questions

Is the air safe to breathe in San Miguel today?

The current average PM2.5 across San Miguel is about 8 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in San Miguel?

Right now PM2.5 in San Miguel averages about 8 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 San Miguel?

Over the past week, the highest daily PM2.5 in San Miguel was recorded on Thursday, August 20 (about 19 µg/m³).

What is the UV index in San Miguel today?

The UV index in San Miguel today is 9.1 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in San Miguel?

Wind is light today (about 7 km/h) — pollutants can build up near the ground.

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.