Tokyo: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Tokyo
Pollution and air quality forecast for Tokyo. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Tokyo:
  1. particulate matter (PM2.5) dust - 30 (Moderate)
  2. particulate matter (PM10) suspended dust - 36 (Moderate)
  3. ozone (O3) - 38 (Good)
  4. nitrogen dioxide (NO2) - 34 (Good)
  5. sulfur dioxide (SO2) - 35 (Good)
  6. carbon monoxide (CO) - 296 (Good)
Real-time Air Quality Index (AQI) for Tokyo, Thursday, August 27, 2026: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Thursday, August 27, 2026) air quality is moderate in Tokyo. Some pollutants in Tokyo may slightly affect very few hypersensitive individuals. Air pollutants in Tokyo may cause minor breathing discomfort to sensitive people.


What is the current level of PM2.5 in Tokyo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 30 (Moderate) For comparison, the highest level of PM2.5 in Tokyo in the last 7 days was: 40 (Saturday, August 22, 2026) and the lowest: 18 (Tuesday, August 25, 2026).

What is the level of PM10 today in Tokyo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Tokyo is: 36 (Moderate)

How is the O3 level today in Tokyo? (ozone (O3))
38 (Good)

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

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

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



Current data Thursday, August 27, 2026 at 10:00 AM

PM2,5 30 (Moderate)

PM10 36 (Moderate)

O3 38 (Good)

NO2 34 (Good)

SO2 35 (Good)

CO 296 (Good)

Data on air pollution from recent days in Tokyo

index 2026-08-27 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20
pm25 31
Moderate
20
Moderate
18
Moderate
28
Moderate
28
Moderate
40
Unhealthy for Sensitive Groups
25
Moderate
22
Moderate
pm10 34
Moderate
22
Moderate
20
Moderate
29
Moderate
28
Moderate
41
Moderate
27
Moderate
26
Moderate
o3 31
Good
49
Good
54
Good
82
Moderate
65
Good
40
Good
34
Good
30
Good
no2 51
Moderate
33
Good
31
Good
52
Moderate
52
Moderate
58
Moderate
35
Good
38
Good
so2 38
Good
25
Good
20
Good
35
Good
31
Good
38
Good
28
Good
27
Good
co 312
Good
306
Good
348
Good
358
Good
226
Good
276
Good
283
Good
352
Good
data source »

Tokyo

Thursday, August 27, 2026 at 10:00 AM

PM2,5 30 (Moderate)

particulate matter (PM2.5) dust

PM10 36 (Moderate)

particulate matter (PM10) suspended dust

O3 38 (Good)

ozone (O3)

NO2 34 (Good)

nitrogen dioxide (NO2)

SO2 35 (Good)

sulfur dioxide (SO2)

CO 296 (Good)

carbon monoxide (CO)

Tokyo

index 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26 2026-08-27
pm25 22 25 40 28 28 18 20 31
pm10 26 27 41 28 29 20 22 34
o3 30 34 40 65 82 54 49 31
no2 38 35 58 52 52 31 33 51
so2 27 28 38 31 35 20 25 38
co 352 283 276 226 358 348 306 312

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

🌦️ Weather · 16-day Forecast — Tokyo

🌦️ WEATHER · 16-DAY FORECASTTokyo☀️33°Clear skyToday · ↑34° ↓26°💨 8 km/h · 💧 63%Tue25.08☀️34°26°Wed26.08☁️33°27°Thu27.08🌧️31°24°Fri28.08🌧️29°24°Sat29.08☁️28°25°Sun30.08🌧️25°23°Mon31.08🌧️25°23°Tue1.09🌧️31°24°Wed2.09🌧️32°26°Thu3.09☀️33°26°Fri4.09🌧️25°22°Sat5.09🌧️22°21°Sun6.09☁️30°22°Mon7.09🌧️27°22°Tue8.09🌧️27°22°Wed9.09🌧️34°25°pollution-alert.com · August 27, 2026

16-day weather forecast for Tokyo: today around 34°C (clear sky), lows near 26°C. Daily temperature and conditions, updated every day. Strong wind (about 27 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Tokyo

☀️ UV INDEX · 16-DAY FORECASTTokyo03681111+6.4UV 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 30 min6Wed26.084Thu27.086Fri28.086Sat29.086Sun30.082Mon31.086Tue1.097Wed2.097Thu3.097Fri4.097Sat5.097Sun6.097Mon7.094Tue8.094Wed9.096Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Tokyo today is 6.4 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Tokyo — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Tokyo today?
The current average PM2.5 across Tokyo is about 30 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 Tokyo?
Right now PM2.5 in Tokyo averages about 30 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 Tokyo?
Over the past week, the highest daily PM2.5 in Tokyo was recorded on Saturday, August 22 (about 40 µg/m³).
What is the UV index in Tokyo today?
The UV index in Tokyo today is 6.4 (high) — unprotected fair skin can burn in about 30 minutes.
Does today's wind help disperse smog in Tokyo?
Strong wind (about 27 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.