Bien Hoa air quality today
Live AQI for Bien Hoa (Đồng Nai), taken from the monitoring station nearest the city centre and refreshed while this page is open. Below: what the level means for your health, why the air here behaves the way it does, and the questions people ask most.
Station Tây Ninh/Thị xã Tràng Bảng, Vietnam · ~51 km away · updated 18:00 26/07/2026 (UTC+7) · Source: WAQI (aqicn.org)
Who this level affects
Most people, including children and older adults.
What to do right now
- Outdoor exercise is a good choice today.
- Open windows to air the house out.
Why Bien Hoa's air behaves this way
Bien Hoa sits right on the edge of Ho Chi Minh City and is one of the oldest and densest industrial concentrations in the south. The city carries both a local industrial emission baseline and the effect of heavy freight traffic passing straight through it.
When it gets worse, and why
Sharing a climate zone with Ho Chi Minh City, Bien Hoa also sees its worse readings during the dry season from roughly December to April, when no rain washes the air. The difference is that the industrial baseline here runs fairly evenly year-round, so readings rarely drop very low even in the rainy season.
Main pollution sources in Bien Hoa
- Long-established industrial zones inside and immediately beside the city
- National Highway 1A and the inter-provincial freight routes crossing the city
- Heavy trucks serving the industrial zones and inland port
- Construction and road-widening works
What the AQI numbers mean
Aiora uses the US-EPA AQI bands, the same scale the monitoring network reports on. Each band below shows who it affects and what to do at that level.
Who it affects: Most people, including children and older adults.
What to do: Outdoor exercise is a good choice today. Open windows to air the house out.
Who it affects: People with asthma or heart conditions may notice mild symptoms.
What to do: Keep long, hard outdoor sessions shorter. Watch for coughing or tightness and ease off if it appears.
Who it affects: Sensitive groups: asthma, COPD, heart disease, pregnancy, children, older adults.
What to do: Move hard exercise indoors. Wear a well-fitting mask on the street. Run an air purifier in the room you sleep in.
Who it affects: Everyone can feel this; people with asthma or heart disease feel it first.
What to do: Avoid outdoor exercise. Keep windows shut and filter indoor air. Keep reliever medication within reach if you have asthma.
Who it affects: Everyone, with a serious risk for sensitive groups.
What to do: Stay indoors as much as you can. Seal gaps around windows and doors. Seek care if breathing gets hard.
Who it affects: Everyone, at emergency level.
What to do: Stay indoors. Use an air purifier continuously. Get medical help for any breathing difficulty.
Frequently asked questions
Why does Bien Hoa rarely have a genuinely low-reading day?
Because most of its emissions come from industry and freight, two sources that run fairly evenly year-round and do not taper off seasonally the way farming or tourism does. Rain still brings readings down, but the baseline underneath does not go away.
What helps if you live near an industrial zone?
Filter the air in the bedroom, keep windows facing the industrial zone shut on still days, and pick your outdoor exercise time from the actual reading rather than from habit. Children and people with respiratory conditions need the most caution.
Where does this data come from?
Readings come from public monitoring stations via the World Air Quality Index Project (aqicn.org), with additional station coverage from OpenAQ and forecasts from Open-Meteo. The number is the station's measurement, not an estimate by Aiora.
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Station data: World Air Quality Index Project (aqicn.org) · OpenAQ · Open-Meteo