Air quality in Hanoi today
Vietnam · Updated Friday 08:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Poor European AQI
Consider less intense outdoor activity, especially if you have heart or lung conditions.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 57 µg/m³ | Very poor |
| PM10 | 64 µg/m³ | Poor |
| NO₂ | 34 µg/m³ | Good |
| O₃ | 53 µg/m³ | Fair |
The pollutant that matters most in Hanoi right now is PM2.5.
Forecast: next 24 hours
Over the next 24 hours the air in Hanoi is expected to be worst around Fri 14:00 (AQI 146, extremely poor). The cleanest hour is expected around Fri 09:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 09:00 | 51 | Moderate | 34 |
| Fri 12:00 | 116 | Extremely poor | 37 |
| Fri 15:00 | 146 | Extremely poor | 45 |
| Fri 18:00 | 65 | Poor | 49 |
| Fri 21:00 | 63 | Poor | 57 |
| Sat 00:00 | 59 | Moderate | 48 |
| Sat 03:00 | 64 | Poor | 59 |
| Sat 06:00 | 68 | Poor | 66 |
The last 30 days
Over the last 30 days the average daily AQI in Hanoi was 75, with 19 day(s) rated poor or worse. The cleanest day was 14 Sept, the most polluted 21 Sept.
Questions and answers
- Is the air in Hanoi good today?
- Right now the European Air Quality Index in Hanoi is 63, which is poor. Consider less intense outdoor activity, especially if you have heart or lung conditions.
- What pollutes the air in Hanoi?
- At the moment PM2.5 contributes most to the air quality index in Hanoi. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Hanoi be cleanest?
- Over the next 24 hours the air in Hanoi is expected to be worst around Fri 14:00 (AQI 146, extremely poor). The cleanest hour is expected around Fri 09:00.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.