Smog in Nantou — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Nantou

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

particulate matter (PM2.5) dust - 11 (Good)
particulate matter (PM10) suspended dust - 12 (Good)
ozone (O3) - 32 (Good)
nitrogen dioxide (NO2) - 29 (Good)
sulfur dioxide (SO2) - 16 (Good)
carbon monoxide (CO) - 293 (Good)

Real-time Air Quality Index (AQI) for Nantou, Thursday, August 27, 2026: 1.

AQI 1 Good

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

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Nantou.

What is the current level of PM2.5 in Nantou? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 11 (Good) For comparison, the highest level of PM2.5 in Nantou in the last 7 days was: 31 (Wednesday, August 26, 2026) and the lowest: 13 (Monday, August 24, 2026). The highest PM2.5 values were recorded: 38 (March 2017). The lowest level of particulate matter PM2.5 pollution occurs in month: June (6.9).

What is the level of PM10 today in Nantou? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Nantou is: 12 (Good) The highest PM10 values usually occur in month: 67 (March 2017). The lowest value of particulate matter PM10 pollution in Nantou is usually recorded in: June (17).

How is the O3 level today in Nantou? (ozone (O3))
32 (Good)

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

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

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

Current data Thursday, August 27, 2026 at 9:00 AM

PM2,5 11 (Good)

PM10 12 (Good)

O3 32 (Good)

NO2 29 (Good)

SO2 16 (Good)

CO 293 (Good)

Data on air pollution from recent days in Nantou

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	21 Moderate	31 Moderate	25 Moderate	13 Moderate	16 Moderate	14 Moderate	21 Moderate	24 Moderate
pm10	22 Moderate	32 Moderate	25 Moderate	13 Good	16 Good	14 Good	22 Moderate	25 Moderate
o3	35 Good	35 Good	22 Good	18 Good	23 Good	21 Good	14 Good	54 Good
no2	40 Moderate	34 Good	37 Good	39 Good	42 Moderate	37 Good	47 Moderate	42 Moderate
so2	16 Good	25 Good	17 Good	13 Good	17 Good	13 Good	20 Good	25 Good
co	351 Good	419 Good	429 Good	398 Good	263 Good	277 Good	323 Good	340 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Nantou from December 2016 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
pm25	15 (Moderate)	24 (Moderate)	26 (Moderate)	26 (Moderate)	25 (Moderate)	19 (Moderate)	21 (Moderate)	26 (Moderate)	19 (Moderate)	14 (Moderate)	11 (Good)	6.9 (Good)	15 (Moderate)	26 (Moderate)	28 (Moderate)	28 (Moderate)	25 (Moderate)	27 (Moderate)	28 (Moderate)	33 (Moderate)	25 (Moderate)	23 (Moderate)	27 (Moderate)	9 (Good)	22 (Moderate)	30 (Moderate)	38 (Unhealthy for Sensitive Groups)	32 (Moderate)	32 (Moderate)	35 (Unhealthy for Sensitive Groups)
pm10	29 (Moderate)	42 (Moderate)	46 (Moderate)	45 (Moderate)	43 (Moderate)	35 (Moderate)	43 (Moderate)	46 (Moderate)	34 (Moderate)	27 (Moderate)	24 (Moderate)	17 (Good)	34 (Moderate)	45 (Moderate)	51 (Unhealthy for Sensitive Groups)	55 (Unhealthy for Sensitive Groups)	52 (Unhealthy for Sensitive Groups)	56 (Unhealthy for Sensitive Groups)	56 (Unhealthy for Sensitive Groups)	62 (Unhealthy for Sensitive Groups)	55 (Unhealthy for Sensitive Groups)	51 (Unhealthy for Sensitive Groups)	52 (Unhealthy for Sensitive Groups)	26 (Moderate)	47 (Moderate)	55 (Unhealthy for Sensitive Groups)	67 (Unhealthy for Sensitive Groups)	64 (Unhealthy for Sensitive Groups)	61 (Unhealthy for Sensitive Groups)	65 (Unhealthy for Sensitive Groups)
o3:ppm	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (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)	0.02 (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)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)
so2:ppm	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)
co:ppm	0.28 (Good)	0.47 (Good)	0.48 (Good)	0.47 (Good)	0.56 (Good)	0.49 (Good)	0.43 (Good)	0.42 (Good)	0.34 (Good)	0.29 (Good)	0.24 (Good)	0.25 (Good)	0.43 (Good)	0.4 (Good)	0.52 (Good)	0.53 (Good)	0.55 (Good)	0.47 (Good)	0.53 (Good)	0.54 (Good)	0.47 (Good)	0.43 (Good)	0.39 (Good)	0.27 (Good)	0.41 (Good)	0.45 (Good)	0.52 (Good)	0.5 (Good)	0.52 (Good)	0.57 (Good)
no2:ppm	0.01 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)

data source »

Nantou

Thursday, August 27, 2026 at 9:00 AM

PM2,5 11 (Good)

particulate matter (PM2.5) dust

PM10 12 (Good)

particulate matter (PM10) suspended dust

O3 32 (Good)

ozone (O3)

NO2 29 (Good)

nitrogen dioxide (NO2)

SO2 16 (Good)

sulfur dioxide (SO2)

CO 293 (Good)

carbon monoxide (CO)

Nantou

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	24	21	14	16	13	25	31	21
pm10	25	22	14	16	13	25	32	22
o3	54	14	21	23	18	22	35	35
no2	42	47	37	42	39	37	34	40
so2	25	20	13	17	13	17	25	16
co	340	323	277	263	398	429	419	351

Nantou

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
co:ppm	0.28	0.47	0.48	0.47	0.56	0.49	0.43	0.42	0.34	0.29	0.24	0.25	0.43	0.4	0.52	0.53	0.55	0.47	0.53	0.54	0.47	0.43	0.39	0.27	0.41	0.45	0.52	0.5	0.52	0.57
no2:ppm	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.01	0.01	0.01	0.02	0.02	0.02	0.02	0.02
pm25	15	24	26	26	25	19	21	26	19	14	11	6.9	15	26	28	28	25	27	28	33	25	23	27	9	22	30	38	32	32	35
pm10	29	42	46	45	43	35	43	46	34	27	24	17	34	45	51	55	52	56	56	62	55	51	52	26	47	55	67	64	61	65
so2:ppm	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
o3:ppm	0.03	0.04	0.03	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.03	0.02	0.03	0.03	0.03	0.02	0.02	0.02

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

🌦️ Weather · 16-day Forecast — Taiwan

16-day weather forecast for Taiwan: today around 11°C (rain), lows near 9°C. Daily temperature and conditions, updated every day. A moderate breeze (about 8 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Taiwan

The UV index in Taiwan today is 9 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Nantou — compare nearby locations.

Taipei 11 µg/m³
Kaohsiung City 12 µg/m³
Taichung City 11 µg/m³
Tainan 12 µg/m³
Hsinchu 7 µg/m³
Taoyuan 8 µg/m³
Keelung 11 µg/m³
Hualian 8 µg/m³

Frequently asked questions

Is the air safe to breathe in Nantou today?

The current average PM2.5 across Nantou is about 11 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Nantou?

Right now PM2.5 in Nantou averages about 11 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 Nantou?

Over the past week, the highest daily PM2.5 in Nantou was recorded on Wednesday, August 26 (about 31 µg/m³).

What is the UV index in Nantou today?

The UV index in Nantou today is 9 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in Nantou?

A moderate breeze (about 8 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.