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

Latest air quality data: Saltillo

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

particulate matter (PM2.5) dust - 12 (Good)
particulate matter (PM10) suspended dust - 14 (Good)
ozone (O3) - 124 (Unhealthy for Sensitive Groups)
nitrogen dioxide (NO2) - 4 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 316 (Good)

Real-time Air Quality Index (AQI) for Saltillo, Wednesday, August 26, 2026: 3.

AQI 3 Unhealthy for Sensitive Groups

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

Today (Wednesday, August 26, 2026) air quality is moderately polluted in Saltillo. Healthy people may experience slight irritations and sensitive persons will be slightly affected to a larger extent by the pollutions in Saltillo.

What is the current level of PM2.5 in Saltillo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 12 (Good) For comparison, the highest level of PM2.5 in Saltillo in the last 7 days was: 10 (Tuesday, August 25, 2026) and the lowest: 5 (Sunday, August 23, 2026).

What is the level of PM10 today in Saltillo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Saltillo is: 14 (Good)

How is the O3 level today in Saltillo? (ozone (O3))
124 (Unhealthy for Sensitive Groups)

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))
316 (Good)

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

PM2,5 12 (Good)

PM10 14 (Good)

O3 124 (Unhealthy for Sensitive Groups)

NO2 4 (Good)

SO2 3 (Good)

CO 316 (Good)

Data on air pollution from recent days in Saltillo

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	9 Good	10 Good	7 Good	5 Good	7 Good	8 Good	5 Good	6 Good
pm10	12 Good	11 Good	8 Good	6 Good	9 Good	10 Good	6 Good	7 Good
o3	83 Moderate	92 Moderate	88 Moderate	81 Moderate	78 Moderate	70 Moderate	81 Moderate	78 Moderate
no2	10 Good	10 Good	9 Good	5 Good	9 Good	11 Good	11 Good	12 Good
so2	3 Good	3 Good	3 Good	2 Good	2 Good	2 Good	2 Good	2 Good
co	298 Good	297 Good	298 Good	196 Good	179 Good	256 Good	288 Good	221 Good

data source »

Quality of life in Saltillo

Green and Parks in the City

Saltillo 64%

Philippines: 45% Taiwan: 53% Hong Kong: 52% Vietnam: 42%

Pleasure of spending time in the city

Saltillo 71%

Philippines: 39% Taiwan: 47% Hong Kong: 43% Vietnam: 30%

Air Pollution

Saltillo 34%

Philippines: 64% Taiwan: 61% Hong Kong: 67% Vietnam: 78%

Garbage Disposal

Saltillo 63%

Philippines: 35% Taiwan: 65% Hong Kong: 52% Vietnam: 24%

Availability and quality of drinking water

Saltillo 74%

Philippines: 54% Taiwan: 54% Hong Kong: 66% Vietnam: 43%

Cleanliness and tidiness

Saltillo 65%

Philippines: 38% Taiwan: 56% Hong Kong: 54% Vietnam: 29%

Noise and Light pollution

Saltillo 28%

Philippines: 60% Taiwan: 59% Hong Kong: 66% Vietnam: 65%

Water Pollution

Saltillo 42%

Philippines: 74% Taiwan: 58% Hong Kong: 53% Vietnam: 73%

Source: Numbeo

Saltillo

Wednesday, August 26, 2026 at 7:00 PM

PM2,5 12 (Good)

particulate matter (PM2.5) dust

PM10 14 (Good)

particulate matter (PM10) suspended dust

O3 124 (Unhealthy for Sensitive Groups)

ozone (O3)

NO2 4.1 (Good)

nitrogen dioxide (NO2)

SO2 3 (Good)

sulfur dioxide (SO2)

CO 316 (Good)

carbon monoxide (CO)

Saltillo

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	5.8	5	7.6	6.9	4.8	6.7	9.5	9.5
pm10	6.9	5.8	10	8.7	5.6	7.7	11	12
o3	78	81	70	78	81	88	92	83
no2	12	11	11	8.7	5.4	8.8	9.5	9.6
so2	2.3	1.9	1.7	2	2	2.7	2.6	2.7
co	221	288	256	179	196	298	297	298

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

🌦️ Weather · 16-day Forecast — Mexico

16-day weather forecast for Mexico: today around 29°C (rain), lows near 26°C. Daily temperature and conditions, updated every day. Strong wind (about 22 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Mexico

The UV index in Mexico today is 7.8 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Saltillo — compare nearby locations.

Mexico City 20 µg/m³
Ecatepec de Morelos 20 µg/m³
Guadalajara 16 µg/m³
Puebla City 10 µg/m³
Ciudad Juárez 2 µg/m³
Tijuana 26 µg/m³
San Diego 28 µg/m³
Ciudad Nezahualcóyotl 20 µg/m³

Frequently asked questions

Is the air safe to breathe in Saltillo today?

The current average PM2.5 across Saltillo is about 12 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Saltillo?

Right now PM2.5 in Saltillo averages about 12 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 Saltillo?

Over the past week, the highest daily PM2.5 in Saltillo was recorded on Tuesday, August 25 (about 10 µg/m³).

What is the UV index in Saltillo today?

The UV index in Saltillo today is 7.8 (high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Saltillo?

Strong wind (about 22 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.