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

The latest data Last 7 days Mexico City pollution September 2019 - May 2020 Quality of life
Latest air quality data: Mexico City
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Pollution and air quality forecast for Mexico City. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Mexico City:
  1. particulate matter (PM2.5) dust - 20 (Moderate)
  2. particulate matter (PM10) suspended dust - 23 (Moderate)
  3. ozone (O3) - 41 (Good)
  4. nitrogen dioxide (NO2) - 41 (Moderate)
  5. sulfur dioxide (SO2) - 16 (Good)
  6. carbon monoxide (CO) - 1473 (Good)
Real-time Air Quality Index (AQI) for Mexico City, Wednesday, August 26, 2026: 2.

air quality index: 1
AQI 2 Moderate

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

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


What is the current level of PM2.5 in Mexico City? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 20 (Moderate) For comparison, the highest level of PM2.5 in Mexico City in the last 7 days was: 26 (Tuesday, August 25, 2026) and the lowest: 11 (Sunday, August 23, 2026). The highest PM2.5 values were recorded: 42 (January 2017). The lowest level of particulate matter PM2.5 pollution occurs in month: September (12).

What is the level of PM10 today in Mexico City? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Mexico City is: 23 (Moderate) The highest PM10 values usually occur in month: 69 (December 2017). The lowest value of particulate matter PM10 pollution in Mexico City is usually recorded in: October (26).

How is the O3 level today in Mexico City? (ozone (O3))
41 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
41 (Moderate)

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

How high is the CO level? (carbon monoxide (CO))
1473 (Good)



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

PM2,5 20 (Moderate)

PM10 23 (Moderate)

O3 41 (Good)

NO2 41 (Moderate)

SO2 16 (Good)

CO 1473 (Good)

Data on air pollution from recent days in Mexico City

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 25
Moderate		 26
Moderate		 17
Moderate		 11
Good		 17
Moderate		 24
Moderate		 19
Moderate		 20
Moderate
pm10 29
Moderate		 28
Moderate		 17
Good		 12
Good		 18
Good		 27
Moderate		 20
Moderate		 22
Moderate
o3 49
Good		 51
Good		 39
Good		 63
Good		 61
Good		 52
Good		 53
Good		 44
Good
no2 44
Moderate		 59
Moderate		 46
Moderate		 24
Good		 34
Good		 46
Moderate		 45
Moderate		 44
Moderate
so2 27
Good		 30
Good		 23
Good		 17
Good		 18
Good		 24
Good		 22
Good		 20
Good
co 1298
Good		 907
Good		 608
Good		 361
Good		 444
Good		 640
Good		 707
Good		 583
Good
data source »
Air pollution in Mexico City from September 2019 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2019-10 2019-08 2019-07 2019-06 2019-05 2019-04 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03 2019-09
co:ppm 0.87 (Good) 0.9 (Good) 0.72 (Good) 0.71 (Good) 0.68 (Good) 0.67 (Good) 0.79 (Good) 0.65 (Good) 1.1 (Good) 1.1 (Good) 0.71 (Good) 0.72 (Good) 0.72 (Good) 0.63 (Good) 0.71 (Good) 0.69 (Good) 0.79 (Good) 0.7 (Good) 0.85 (Good) 1.1 (Good) 0.97 (Good) 0.71 (Good) 0.79 (Good) 0.57 (Good) 0.83 (Good) 0.6 (Good) 0.84 (Good) 0.84 (Good) 0.82 (Good) 0.98 (Good) 1.2 (Good) 0.96 (Good) 0.9 (Good) 0.69 (Good) 0.76 (Good) 0.82 (Good) 0.83 (Good) 0.87 (Good) 1.1 (Good) 1 (Good) 0.89 (Good) 0.58 (Good)
no2:ppm 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.05 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good)
o3:ppm 0.05 (Good) 0.05 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.05 (Good) 0.07 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.05 (Good) 0.04 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good)
so2:ppm 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0 (Good) 0 (Good)
pm10 34 (Moderate) 49 (Moderate) 26 (Moderate) 29 (Moderate) 32 (Moderate) 31 (Moderate) 63 (Unhealthy for Sensitive Groups) 53 (Unhealthy for Sensitive Groups) 56 (Unhealthy for Sensitive Groups) 50 (Moderate) 31 (Moderate) 37 (Moderate) 31 (Moderate) 41 (Moderate) 31 (Moderate) 38 (Moderate) 50 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 69 (Unhealthy for Sensitive Groups) 54 (Unhealthy for Sensitive Groups) 37 (Moderate) 30 (Moderate) 31 (Moderate) 34 (Moderate) 36 (Moderate) 58 (Unhealthy for Sensitive Groups) 51 (Unhealthy for Sensitive Groups) 55 (Unhealthy for Sensitive Groups) 61 (Unhealthy for Sensitive Groups) 69 (Unhealthy for Sensitive Groups) 50 (Moderate) 46 (Moderate) 32 (Moderate) 33 (Moderate) 32 (Moderate) 33 (Moderate) 36 (Moderate) 53 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 39 (Moderate) 29 (Moderate)
pm25 20 (Moderate) 25 (Moderate) 14 (Moderate) 18 (Moderate) 20 (Moderate) 18 (Moderate) 40 (Unhealthy for Sensitive Groups) 28 (Moderate) 31 (Moderate) 27 (Moderate) 17 (Moderate) 22 (Moderate) 19 (Moderate) 21 (Moderate) 18 (Moderate) 22 (Moderate) 27 (Moderate) 26 (Moderate) 31 (Moderate) 31 (Moderate) 23 (Moderate) 18 (Moderate) 16 (Moderate) 17 (Moderate) 21 (Moderate) 20 (Moderate) 34 (Moderate) 27 (Moderate) 29 (Moderate) 28 (Moderate) 42 (Unhealthy for Sensitive Groups) 27 (Moderate) 27 (Moderate) 16 (Moderate) 20 (Moderate) 20 (Moderate) 20 (Moderate) 23 (Moderate) 34 (Moderate) 31 (Moderate) 20 (Moderate) 12 (Good)
data source »

Quality of life in Mexico City

Green and Parks in the City

Mexico City 53%

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

particulate matter PM2.5

Mexico City 22 (Moderate)

Pleasure of spending time in the city

Mexico City 40%

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

particulate matter PM10

Mexico City 39 (Moderate)

Air Pollution

Mexico City 82%

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

Garbage Disposal

Mexico City 37%

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

Availability and quality of drinking water

Mexico City 44%

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

Cleanliness and tidiness

Mexico City 33%

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

Noise and Light pollution

Mexico City 64%

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

Water Pollution

Mexico City 68%

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


Mexico City

Wednesday, August 26, 2026 at 7:00 PM

PM2,5 20 (Moderate)

particulate matter (PM2.5) dust

PM10 23 (Moderate)

particulate matter (PM10) suspended dust

O3 41 (Good)

ozone (O3)

NO2 41 (Moderate)

nitrogen dioxide (NO2)

SO2 16 (Good)

sulfur dioxide (SO2)

CO 1473 (Good)

carbon monoxide (CO)

Mexico City

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 20 19 24 17 11 17 26 25
pm10 22 20 27 18 12 17 28 29
o3 44 53 52 61 63 39 51 49
no2 44 45 46 34 24 46 59 44
so2 20 22 24 18 17 23 30 27
co 583 707 640 444 361 608 907 1298

Hospital General de

2016-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2019-10 2019-08 2019-07 2019-06 2019-05 2019-04 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
o3:ppm 0.06 0.06 0.02 0.03 0.03 0.03 0.05 0.07 0.03 0.03 0.02 0.03 0.03 0.04 0.03 0.04 0.05 0.05 0.05 0.02 0.03 0.03 0.03 0.03 0.02 0.04 0.05 0.04 0.03 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.05 0.04 0.03
so2:ppm 0 0 0 0 0 0 0 0 0.01 0 0 0 0 0 0 0.01 0 0 0.01 0.01 0.01 0 0 0 0 0 0 0 0 0.01 0.01 0.01 0.01 0 0 0 0 0 0 0 0
pm10 - - 24 28 31 29 61 47 49 44 28 33 26 36 29 35 45 47 55 62 46 34 26 27 27 33 52 45 45 53 55 42 43 26 28 26 28 30 46 46 29
pm25 - - 14 18 20 18 43 27 30 26 17 22 17 20 18 23 27 24 34 31 22 18 16 16 19 20 34 25 26 26 42 25 27 14 18 18 19 22 32 28 18
no2:ppm 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.04 0.03 0.03 0.03 0.02 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.03 0.02 0.03 0.02 0.03 0.03 0.03 0.03 0.04 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03
co:ppm 0.71 0.73 0.62 0.71 0.63 0.58 0.85 0.65 1 0.97 0.66 0.67 0.63 0.53 0.59 0.64 0.73 0.73 0.85 0.92 0.96 0.67 0.75 0.65 0.65 0.36 0.62 0.66 0.71 0.95 1.1 0.88 0.63 0.53 0.62 0.67 0.76 0.82 1.1 0.95 0.78

Merced

2016-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
so2:ppm 0 0 0 0 0 0 0 0 - 0.01 0.01 0 0 0 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.01 0 0 0 0 0 0.01 0 0.01 0.01 0.01 0.01 0.01 0 0 0 0 0 0 0.01 0
no2:ppm 0.02 0.02 0.03 0.02 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.03 0.05 0.04 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.04 0.04 0.05 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.03
pm25 20 25 14 12 18 21 17 38 28 33 27 16 23 20 21 18 22 27 28 29 32 24 18 17 18 23 21 35 29 32 30 41 28 28 18 21 22 21 25 37 33 23
pm10 34 49 28 29 31 34 32 66 58 63 56 33 41 35 45 33 40 55 66 60 76 62 40 34 36 42 40 63 57 65 70 83 57 50 39 39 38 38 41 61 68 48
co:ppm 1 1.1 0.81 0.58 0.71 0.73 0.76 0.73 - 1.1 1.1 0.76 0.77 0.81 0.72 0.84 0.75 0.85 0.68 0.86 1.2 0.98 0.75 0.83 0.49 1 0.83 0.89 0.92 0.87 1.1 1.2 0.96 1 0.71 0.76 0.8 0.78 0.87 1.1 1.1 1
o3:ppm 0.05 0.05 0.02 0.03 0.03 0.03 0.03 0.05 0.08 0.03 0.03 0.02 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.04 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.04 0.03 0.03

San Juan de Arag�n

index 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05
co:ppm 1 0.93 0.88 0.88 1.2 1 1.1 0.83 0.89 1 0.94 0.93 0.99
so2:ppm 0 0 0 0.01 0.01 0 0 0 0 0 0 0 0
o3:ppm 0.05 0.04 0.03 0.03 0.04 0.03 0.02 0.03 0.03 0.03 0.03 0.03 0.04
no2:ppm 0.03 0.03 0.03 0.03 0.04 0.03 0.03 0.02 0.02 0.03 0.03 0.03 -

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

🌦️ Weather · 16-day Forecast — Mexico

🌦️ WEATHER · 16-DAY FORECASTMexico🌧️27°RainToday · ↑29° ↓26°💨 6 km/h · 💧 80%Tue25.08🌧️29°26°Wed26.08🌧️31°26°Thu27.08🌧️30°25°Fri28.08🌧️27°24°Sat29.08🌧️26°24°Sun30.08🌧️27°25°Mon31.08🌧️26°26°Tue1.09🌧️28°26°Wed2.09🌧️29°25°Thu3.09🌧️29°24°Fri4.09🌧️28°25°Sat5.09🌧️29°25°Sun6.09🌧️31°25°Mon7.09☁️31°24°Tue8.09🌧️29°24°Wed9.09🌧️25°24°pollution-alert.com · August 27, 2026

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

☀️ UV INDEX · 16-DAY FORECASTMexico03681111+7.8UV HIGHtoday, day maxSPF 30-50, hat and sunglasses are a must. Better tostay in the shade 11:00-15:00.⏱ Unprotected fair skin can burn in about 25 min8Wed26.089Thu27.083Fri28.081Sat29.081Sun30.082Mon31.086Tue1.096Wed2.097Thu3.091Fri4.097Sat5.093Sun6.094Mon7.099Tue8.092Wed9.094Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

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 Mexico City — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Mexico City today?
The current average PM2.5 across Mexico City is about 20 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.
What is the current PM2.5 level in Mexico City?
Right now PM2.5 in Mexico City averages about 20 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Mexico City?
Over the past week, the highest daily PM2.5 in Mexico City was recorded on Tuesday, August 25 (about 26 µg/m³).
What is the UV index in Mexico City today?
The UV index in Mexico City today is 7.8 (high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Mexico City?
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.