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Air Quality Index (AQI) in Tianchang, China 🇨🇳

Air quality in Tianchang is currently 153 on the US AQI scale, rated Unhealthy.

Overcast
21°C
Overcast
AQI INDEX
153
US EPA Standard

PM 2.5 Level
58.2
µg/m³

Air Quality
Unhealthy
The current Air Quality Index (AQI) in Tianchang is recorded at 153 as of 6:13 AM local time this Monday, October 19, 2026. This real-time AQI score is estimated from the current PM2.5 concentration. According to the US EPA health standard, air quality in Tianchang currently falls into the Unhealthy category. High pollution levels have been detected, with PM2.5 reaching 58.2 µg/m³. This unhealthy AQI reading suggests that everyone may begin to experience health effects. Track the local weather and limit time outdoors until levels improve. For the AQI across entire China, you can also view the Air Quality Index for China covering other major urban centers and local monitoring stations.

Health Recommendations for Tianchang Residents

😷

Health alert: everyone may begin to experience health effects. Members of sensitive groups should avoid all outdoor physical activity, and others should minimize time spent outside in Tianchang.

Tianchang Air Pollution: Detailed Pollutant Breakdown

🚬
Breathing Tianchang's air today is roughly like smoking 2.6 cigarettes.
Based on the Berkeley Earth estimate that ~22 µg/m³ of PM2.5 over a day is about one cigarette. Today's PM2.5 in Tianchang is 58.2 µg/m³.
PM 2.5
58.2
µg/m³
PM 10
105.2
µg/m³
Nitrogen Dioxide (NO2)
51.7
µg/m³
Ozone (O3)
14.0
µg/m³
Carbon Monoxide (CO)
1141.0
µg/m³
Sulfur Dioxide (SO2)
32.0
µg/m³

Current Weather in Tianchang

🌡️ 21°C (Feels like 18°)
🌬️ 6 km/h SSE
💧 24% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 2.9
🌅 Sunrise: 06:36 AM
🌇 Sunset: 05:41 PM
🌡️ Dew Point: 0°C

Tianchang's Main Air Pollutant Today

The main concern in Tianchang right now is PM2.5 at 58.2 µg/m³, about 3.9x the WHO 24-hour guideline.

Air Quality Health Advice for Tianchang

General publicReduce prolonged or heavy exertion outdoors and take more breaks.
Sensitive groupsSensitive groups should avoid prolonged or heavy exertion and stay indoors when possible.

Air Quality in Other Cities in China

Browse Air Quality in China by cities in alphabetical order:

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Air Quality in China ›

Frequently Asked Questions about Air Quality in Tianchang

What is the air quality (AQI) in Tianchang right now?

The current air quality index in Tianchang is 153 — categorised as Unhealthy.

Is the air in Tianchang safe to breathe today?

Today's air quality in Tianchang is rated Unhealthy on the US EPA scale.

What is the PM2.5 level in Tianchang right now?

The fine-particle (PM2.5) concentration in Tianchang is currently 58.2 µg/m³. PM2.5 is the most health-relevant pollutant — the WHO 24-hour guideline is 15 µg/m³.

What is the PM10 level in Tianchang right now?

The coarse-particle (PM10) concentration in Tianchang is currently 105.2 µg/m³.

What is the main pollutant in Tianchang right now?

The dominant pollutant in Tianchang right now is PM2.5 at 58.2 µg/m³.

Is it safe to exercise outdoors in Tianchang today?

Air quality in Tianchang is Unhealthy — sensitive groups should consider reducing prolonged outdoor exertion.

How to Read the Air Quality Index for Tianchang

Good (0-50)

Air is fresh and healthy. Safe for all outdoor activities.

Moderate (51-100)

Acceptable air quality, though sensitive groups should monitor comfort.

Unhealthy (Sensitive) (101-150)

Vulnerable groups (children, elderly) should limit outdoor exertion.

Unhealthy (151-200)

Everyone begins to experience health effects. Stay indoors where possible.

Very Unhealthy (201-300)

Significant health impact for entire population. Emergency conditions.

Hazardous (301+)

Serious health alert: everyone may experience serious life-threatening effects.

Good (0-12)

Fine particles are at minimal, safe levels. Air is optimal.

Moderate (12-35)

Acceptable air, but haze may be present in urban areas.

Sensitive (35-55)

Individuals with heart or lung disease should limit activity.

Unhealthy (55-150)

Particulate levels high enough to cause respiratory irritation.

Very Unhealthy (150-250)

Heavy haze. High risk to cardiovascular health for the public.

Hazardous (250+)

Lethal particulate concentrations. Critical neurological and lung risk.

Good (0-54)

Low levels of dust and coarse particles. Environment is safe.

Moderate (55-154)

Coarse particles may trigger coughing in sensitive groups.

Sensitive (155-254)

Visible dust pollution. Sensitive groups should avoid heavy labor.

Unhealthy (255-354)

Widespread respiratory impacts likely for the population.

Very Unhealthy (355-424)

Dangerous dust and debris levels. Significant warnings issued.

Hazardous (425+)

Extremely high concentrations. Stay inside with filtration.

Good (0-54)

Surface ozone levels are within a safe, natural range.

Moderate (55-70)

Acceptable air, but sensitive individuals may feel chest tightness.

Sensitive (71-85)

Rising ozone can trigger airway inflammation in active children.

Unhealthy (86-105)

Avoid heavy outdoor work during the hottest part of the day.

Very Unhealthy (106-200)

Serious lung function reduction likely across the public.

Hazardous (201+)

Emergency ozone levels. Risk of permanent lung tissue damage.

Good (0-53)

Nitrogen levels are optimal. Safe for everyone.

Moderate (54-100)

Typical background levels for high-density urban areas.

Sensitive (101-360)

Increased risk of respiratory infections for vulnerable groups.

Unhealthy (361-649)

Significant airway inflammation likely near traffic zones.

Very Unhealthy (650-1249)

Acute respiratory distress potential. High-risk groups stay indoors.

Hazardous (1250+)

Toxic concentrations. Immediate health precautions required.

Good (0-4.4)

Carbon Monoxide levels are clean and non-toxic.

Moderate (4.5-9.4)

Acceptable; may affect those with specific heart conditions.

Sensitive (9.5-12.4)

Reduced oxygen delivery to the heart may occur.

Unhealthy (12.5-15.4)

Headaches and fatigue may occur in urban canyons.

Very Unhealthy (15.5-30.4)

Significant cardiovascular distress. Mental confusion possible.

Hazardous (30.5+)

Lethal potential. Immediate risk of neurological collapse.

Good (0-35)

Optimal air quality with no sulfur detection.

Moderate (36-75)

Acceptable air; minor odors possible near industry.

Sensitive (76-185)

Bronchoconstriction possible for active asthmatics.

Unhealthy (186-304)

Respiratory distress likely for the wider population.

Very Unhealthy (305-604)

Significant wheezing and shortness of breath likely.

Hazardous (605+)

Extreme respiratory danger. Significant life risk.

Health & Scientific Resources

→ How to read US EPA Air Quality Index before going outside → Understanding Air Quality Index levels and what they mean → When haze forms and what it does to air quality

How is this AQI calculated?

The primary Air Quality Index (AQI) shown above is calculated using the US EPA Linear Interpolation formula based on PM2.5 concentration (Fine Particulate Matter).

Formula: Ip = [(Ihi - Ilow) / (Chi - Clow)] * (Cp - Clow) + Ilow
Current Conditions Explained

Is the AQI in Tianchang safe today?

Today's AQI is 153, which is categorized as Unhealthy. This means the air quality is unhealthy for the general population.