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

Latest air quality data: Tijuana

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

particulate matter (PM2.5) dust - 26 (Moderate)
particulate matter (PM10) suspended dust - 31 (Moderate)
ozone (O3) - 47 (Good)
nitrogen dioxide (NO2) - 36 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 397 (Good)

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

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Tijuana? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 26 (Moderate) For comparison, the highest level of PM2.5 in Tijuana in the last 7 days was: 21 (Wednesday, August 26, 2026) and the lowest: 11 (Saturday, August 22, 2026).

What is the level of PM10 today in Tijuana? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Tijuana is: 31 (Moderate)

How is the O3 level today in Tijuana? (ozone (O3))
47 (Good)

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

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

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

Current data Wednesday, August 26, 2026 at 6:00 PM

PM2,5 26 (Moderate)

PM10 31 (Moderate)

O3 47 (Good)

NO2 36 (Good)

SO2 2 (Good)

CO 397 (Good)

Data on air pollution from recent days in Tijuana

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	21 Moderate	17 Moderate	17 Moderate	14 Moderate	11 Good	12 Good	14 Moderate	12 Good
pm10	26 Moderate	21 Moderate	22 Moderate	19 Good	16 Good	18 Good	22 Moderate	19 Good
o3	66 Good	67 Good	48 Good	50 Good	60 Good	61 Good	80 Moderate	77 Moderate
no2	23 Good	13 Good	15 Good	14 Good	11 Good	12 Good	7 Good	8 Good
so2	2 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good
co	496 Good	302 Good	258 Good	194 Good	197 Good	300 Good	244 Good	194 Good

data source »

Quality of life in Tijuana

Green and Parks in the City

Tijuana 31%

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

Pleasure of spending time in the city

Tijuana 44%

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

Air Pollution

Tijuana 68%

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

Garbage Disposal

Tijuana 39%

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

Availability and quality of drinking water

Tijuana 51%

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

Cleanliness and tidiness

Tijuana 24%

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

Noise and Light pollution

Tijuana 51%

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

Water Pollution

Tijuana 69%

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

Source: Numbeo

Tijuana

Wednesday, August 26, 2026 at 6:00 PM

PM2,5 26 (Moderate)

particulate matter (PM2.5) dust

PM10 31 (Moderate)

particulate matter (PM10) suspended dust

O3 47 (Good)

ozone (O3)

NO2 36 (Good)

nitrogen dioxide (NO2)

SO2 2.1 (Good)

sulfur dioxide (SO2)

CO 397 (Good)

carbon monoxide (CO)

Tijuana

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	12	14	12	11	14	17	17	21
pm10	19	22	18	16	19	22	21	26
o3	77	80	61	60	50	48	67	66
no2	8	7.4	12	11	14	15	13	23
so2	0.75	1.1	1.2	0.92	0.88	1.3	1.2	1.5
co	194	244	300	197	194	258	302	496

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

🌦️ Weather · 16-day Forecast — Tijuana

16-day weather forecast for Tijuana: today around 36°C (clear sky), lows near 22°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 — Tijuana

The UV index in Tijuana today is 8 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Tijuana — compare nearby locations.

PhoenixUnited States 7 µg/m³
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
San Diego 28 µg/m³
Ciudad Nezahualcóyotl 20 µg/m³

Frequently asked questions

Is the air safe to breathe in Tijuana today?

The current average PM2.5 across Tijuana is about 26 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 Tijuana?

Right now PM2.5 in Tijuana averages about 26 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 Tijuana?

Over the past week, the highest daily PM2.5 in Tijuana was recorded on Wednesday, August 26 (about 21 µg/m³).

What is the UV index in Tijuana today?

The UV index in Tijuana today is 8 (very high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Tijuana?

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.