Yiyang air quality now

China · The summary is refreshed every 15 minutes.

November 12

The air is moderate now

Measured 05:00

Yiyang

12°C

Cloudy

97AQI

1022

hPa

Atmospheric
pressure

67%

Humidity

Yiyang, November 10, 2026: daily mean PM2.5 24 µg/m³ (4 sensors), level “Moderate” — as in the Atmy Data Hub. Now (06:00 local time): 34.0 µg/m³. Open methodology and data in JSON: Methodology and data sources · JSON

Right now in Yiyang, PM2.5 averages 34.0 µg/m³ — “moderate” on the US EPA scale (approximate, from hourly readings). Mean of 4 sensors from Government stations, readings from 05:00–05:00 local time (21:00–21:00 UTC), summary prepared at 06:00 local time. Median: 35.0 µg/m³; range across sensors: 30.0–36.0 µg/m³.

In Yiyang the air is moderate 🟡 AQI 97. About the same as three hours ago. ☁️ +12 °C · No precipitation · Wind 1 m/s

In Yiyang the air is moderate right now (approximate, US EPA scale). From 17:00 to 06:00 local time the city mean PM2.5 rose from 20.5 to 34.0 µg/m³.

Light wind (1 m/s) in the evening or at night, as the air cools, possibly traps particles near the ground (a temperature inversion).

Weather now: cloudy, 12°C, wind 1 m/s, humidity 67%. Precipitation is expected around 11:00; it may wash particles out.

Written automatically at 06:00 local time (22:00 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

1 m/s

Wind, S

1.9 mm

Precipitation today

Yiyang: air quality for the completed day

Metric: PM2.5, µg/m³ · Color scale: EPA AQI · November 10, 2026 · 00:00–24:00 UTC = 08:00–08:00 UTC+8

24 µg/m³ Moderate

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC = 08:00–08:00 UTC+8): 24 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub.

LowModerateElevatedHighVery highExtremely high

Pollution accumulation index now

32/100Low · An estimate of weather conditions · not a PM2.5 forecast

Now3252
06.0014.0021.0005.00

Pollution accumulation forecast

Today — November 12

14°/11°

Index by time of day

52/100Moderate

  1. 52/100Night
  2. 33/100Morning
  3. 9/100Day
  4. 25/100Evening

Friday — November 13

15°/11°

Index by time of day

54/100Moderate

  1. 54/100Night
  2. 39/100Morning
  3. 9/100Day
  4. 23/100Evening

Saturday — November 14

20°/12°

Index by time of day

56/100Moderate

  1. 56/100Night
  2. 41/100Morning
  3. 8/100Day
  4. 27/100Evening

Sunday — November 15

20°/14°

Index by time of day

55/100Moderate

  1. 55/100Night
  2. 38/100Morning
  3. 7/100Day
  4. 20/100Evening

Monday — November 16

21°/14°

Index by time of day

59/100Moderate

  1. 59/100Night
  2. 43/100Morning
  3. 10/100Day
  4. 21/100Evening

Tuesday — November 17

16°/11°

Index by time of day

37/100Moderate

  1. 37/100Night
  2. 30/100Morning
  3. 9/100Day
  4. 17/100Evening

Forecast of conditions that trap pollution near the surface

Weather

12°

Cloudy. Feels like 10°C

  1. MorningCloudy14°C69%
  2. DayCloudy14°C84%
  3. EveningCloudy11°C95%

Wind

1m/sWind from the S

2m/sWind gusts

Wind force: 1

Light wind is expected over the next few hours.

10-day weather forecast for Yiyang

China

  1. TodayNov 12Rain14°C11°C
  2. FriNov 13Rain15°C11°C
  3. SatNov 14Rain20°C12°C
  4. SunNov 15Cloudy20°C14°C
  5. MonNov 16Rain21°C14°C
  6. TueNov 17Rain16°C11°C
  7. WedNov 18Cloudy15°C8°C
  8. ThuNov 19Cloudy12°C7°C
  9. FriNov 20Partly cloudy19°C7°C
  10. SatNov 21Cloudy17°C7°C

Where in Yiyang is the air worse?

See all sensors

Highest current reading: 36.0 µg/m³ (市环保局 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网)). Lowest: 30.0 µg/m³ (龙洲站 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网)). The list shows every sensor, highest first.

  1. 市环保局 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网) →36 µg/m³
  2. 益鑫泰路85号 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网) →35 µg/m³
  3. 幸福渠东路223号 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网) →35 µg/m³
  4. 龙洲站 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网) →30 µg/m³

Source: atmy.ai monitoring network

Who provides the data

Sensors in the summary by network: Government stations — 4 sensors.

Atmy shows the networks’ readings after the Data Hub’s quality check: test devices and sensors that fail it are left out.

China: sensors in total

1,515

  1. ChongqingChina

    32

  2. BeijingChina

    24

  3. ShanghaiChina

    19

Cities with the most sensors

All sensors on the map, by city as the map assigns them; the city’s values count only the sensors that pass the Data Hub’s quality check.

Air quality calendar: Yiyang

Daily mean PM2.5 of the city sensors, µg/m³

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

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An Atmy card with the air quality in Yiyang now: it is refreshed every 15 minutes and links to this page. Paste the code into your site.

Air quality in Yiyang now — Atmy

China · City ranking · All pilot cities

Questions

What was the air quality in Yiyang over the last completed day?

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC = 08:00–08:00 UTC+8): 24 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub.

What is the air quality in Yiyang right now?

Right now in Yiyang, PM2.5 averages 34.0 µg/m³ — “moderate” on the US EPA scale (approximate, from hourly readings). Mean of 4 sensors from Government stations, readings from 05:00–05:00 local time (21:00–21:00 UTC), summary prepared at 06:00 local time. Median: 35.0 µg/m³; range across sensors: 30.0–36.0 µg/m³.

Is it safe to be outdoors in Yiyang now?

The current level is “moderate” (US EPA scale, approximate). Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors. This is the standard guidance of the scale, not medical advice.

Where in Yiyang is the air worse?

Highest current reading: 36.0 µg/m³ (市环保局 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网)). Lowest: 30.0 µg/m³ (龙洲站 (中国环境监测总站 (CNEMC) — 国家城市环境空气质量监测网)). The list shows every sensor, highest first.

Where do these data come from?

From Atmy sensors and connected public networks (citizen, experimental and government monitors), aggregated by Atmy. Values are approximate; see the methodology.

How often is this page updated?

The summary is rebuilt every 15 minutes from the latest reading of each sensor, each no older than one hour.

Data

Where do these data come from?

The daily value is the Data Hub’s: the mean of the city’s sensors that passed the nightly quality check, each with at least 12 valid hours, and only with sensors at four places 500 m apart; days are UTC.

“Now” uses the same sensors and rule: the mean of their latest readings, each at most 60 minutes old, shown only with sensors at four places 500 m apart reporting.

Source: public Atmy monitoring data. Methodology and data sources · Data terms