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

Latest air quality data: Ciudad Nezahualcóyotl

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

particulate matter (PM2.5) dust - 20 (Moderate)
particulate matter (PM10) suspended dust - 23 (Moderate)
ozone (O3) - 41 (Good)
nitrogen dioxide (NO2) - 41 (Moderate)
sulfur dioxide (SO2) - 16 (Good)
carbon monoxide (CO) - 671 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Ciudad Nezahualcóyotl? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 20 (Moderate) For comparison, the highest level of PM2.5 in Ciudad Nezahualcóyotl 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: 47 (May 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: October (12).

What is the level of PM10 today in Ciudad Nezahualcóyotl? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Ciudad Nezahualcóyotl is: 23 (Moderate)

How is the O3 level today in Ciudad Nezahualcóyotl? (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))
671 (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 671 (Good)

Data on air pollution from recent days in Ciudad Nezahualcóyotl

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	591 Good	660 Good	430 Good	292 Good	309 Good	514 Good	457 Good	380 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Ciudad Nezahualcóyotl from March 2016 to May 2020

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	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
co:ppm	0.48 (Good)	0.52 (Good)	0.51 (Good)	0.49 (Good)	0.55 (Good)	0.53 (Good)	0.78 (Good)	0.62 (Good)	0.83 (Good)	0.85 (Good)	0.74 (Good)	0.89 (Good)	0.84 (Good)	0.71 (Good)	0.73 (Good)	0.8 (Good)	0.95 (Good)	0.82 (Good)	0.81 (Good)	0.97 (Good)	0.88 (Good)	0.59 (Good)	0.5 (Good)	0.28 (Good)	0.71 (Good)	0.49 (Good)	0.46 (Good)	0.74 (Good)	0.83 (Good)	1.1 (Good)	0.87 (Good)	0.65 (Good)	0.45 (Good)	0.55 (Good)	0.59 (Good)	0.51 (Good)	0.51 (Good)	0.57 (Good)	0.68 (Good)	0.59 (Good)
no2:ppm	0.02 (Good)	0.02 (Good)	0.01 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)
o3:ppm	0.04 (Good)	0.04 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.05 (Good)	0.08 (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)	0.04 (Good)	0.04 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (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)
pm25	19 (Moderate)	32 (Moderate)	12 (Good)	18 (Moderate)	21 (Moderate)	17 (Moderate)	47 (Unhealthy for Sensitive Groups)	26 (Moderate)	29 (Moderate)	21 (Moderate)	14 (Moderate)	19 (Moderate)	15 (Moderate)	21 (Moderate)	16 (Moderate)	21 (Moderate)	31 (Moderate)	33 (Moderate)	29 (Moderate)	33 (Moderate)	27 (Moderate)	13 (Good)	14 (Moderate)	13 (Good)	17 (Moderate)	17 (Moderate)	23 (Moderate)	24 (Moderate)	29 (Moderate)	36 (Unhealthy for Sensitive Groups)	23 (Moderate)	19 (Moderate)	14 (Moderate)	15 (Moderate)	15 (Moderate)	16 (Moderate)	17 (Moderate)	27 (Moderate)	28 (Moderate)	21 (Moderate)
so2:ppm	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	- (Good)	- (Good)	0 (Good)	0.01 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0.01 (Good)	0.01 (Good)	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 (Good)	0 (Good)	0 (Good)	0 (Good)

data source »

Ciudad Nezahualcóyotl

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 671 (Good)

carbon monoxide (CO)

Ciudad Nezahualcóyotl

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	380	457	514	309	292	430	660	591

Nezahualcóyotl

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
no2:ppm	0.02	0.02	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.03	0.03	0.03	0.02	0.02	0.02	0.02	0.02
so2:ppm	0	0	0	0	0	-	-	0	0.01	0	0	0	0	0	0	0	0	0	0	0.01	0.01	0	0	0	0	0
o3:ppm	0.04	0.04	0.02	0.03	0.03	0.04	0.05	0.08	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.04	0.02	0.02	0.02	0.02	0.02	0.02	0.03
co:ppm	0.48	0.52	0.51	0.49	0.55	0.53	0.78	0.62	0.83	0.85	0.74	0.89	0.84	0.71	0.73	0.8	0.95	0.82	0.81	0.97	0.88	0.59	0.5	0.28	0.71	0.49
pm25	19	32	12	18	21	17	47	26	29	21	14	19	15	21	16	21	31	33	29	33	27	13	14	13	17	17

Nezahualc�yotl

index	2017-05	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
no2:ppm	0.02	0.03	0.03	0.03	0.03	0.03	0.02	0.02	0.02	0.02	0.03	0.03	0.03	0.03
o3:ppm	0.04	0.03	0.03	0.03	0.02	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.03	0.03
so2:ppm	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0
pm25	23	24	29	36	23	19	14	15	15	16	17	27	28	21
co:ppm	0.46	0.74	0.83	1.1	0.87	0.65	0.45	0.55	0.59	0.51	0.51	0.57	0.68	0.59

* Pollution data source: https://openaq.org (AirNow) 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 Ciudad Nezahualcóyotl — 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
Gustavo A. Madero 22 µg/m³

Frequently asked questions

Is the air safe to breathe in Ciudad Nezahualcóyotl today?

The current average PM2.5 across Ciudad Nezahualcóyotl 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 Ciudad Nezahualcóyotl?

Right now PM2.5 in Ciudad Nezahualcóyotl 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 Ciudad Nezahualcóyotl?

Over the past week, the highest daily PM2.5 in Ciudad Nezahualcóyotl was recorded on Tuesday, August 25 (about 26 µg/m³).

What is the UV index in Ciudad Nezahualcóyotl today?

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

Does today's wind help disperse smog in Ciudad Nezahualcóyotl?

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.