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Air Quality Index (AQI) in Brunei 🇧🇳

Bandar Seri Begawan Air Quality Index

AQI INDEX
118
US EPA Standard

PM 2.5 Level
42
µg/m³

US EPA Index
3
Unhealthy (Sensitive)

Live Air Quality Index (AQI) and PM2.5 Levels in Brunei

Currently, the Air Quality Index (AQI) in Bandar Seri Begawan, the capital of Brunei, is measured at a score of 118. According to the US EPA health standard, this air quality rating is categorized as Unhealthy (Sensitive). The current atmosphere in Bandar Seri Begawan is influenced by a PM2.5 (fine particulate matter) concentration of 42.3 µg/m³ and PM10 levels recorded at 45.6 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 4.8 µg/m³.

Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Brunei based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Kuala Belait, Seria and Tutong. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.

Brunei Air Quality: Major Cities Index

* Air Quality Index (AQI) data for Brunei is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.

Browse Air Quality in Brunei by cities in alphabetical order:

B K S T

Frequently Asked Questions about Air Quality in Brunei

What is the air quality in Brunei right now?

The current AQI in Bandar Seri Begawan (capital of Brunei) is 118 — categorised as Unhealthy (Sensitive). Conditions vary across the country — see AQI for all cities for a complete picture.

Which city in Brunei has the worst air quality right now?

Right now, Bandar Seri Begawan has the highest AQI reading in Brunei at 118 (Unhealthy (Sensitive)).

Which city in Brunei has the best air quality right now?

Seria currently has the lowest AQI in Brunei at 93 (Moderate).

What is the PM2.5 level in Bandar Seri Begawan today?

The PM2.5 (fine particulate) concentration in Bandar Seri Begawan, the capital of Brunei, is currently 42.3 µg/m³. The WHO 24-hour guideline is 15 µg/m³.

Is the air in Brunei safe to breathe today?

Most monitored cities in Brunei currently report unhealthy air-quality levels — outdoor activity should be limited, especially for sensitive groups.

What are the cleanest cities in Brunei right now?

Top 4 cities in Brunei with the best (lowest) AQI right now:

  • Seria: AQI 93 — Moderate
  • Tutong: AQI 93 — Moderate
  • Kuala Belait: AQI 108 — Unhealthy (Sensitive)
  • Bandar Seri Begawan: AQI 118 — Unhealthy (Sensitive)
What are the most polluted cities in Brunei right now?

Top 4 cities in Brunei with the worst (highest) AQI right now:

  • Bandar Seri Begawan: AQI 118 — Unhealthy (Sensitive)
  • Kuala Belait: AQI 108 — Unhealthy (Sensitive)
  • Seria: AQI 93 — Moderate
  • Tutong: AQI 93 — Moderate

Air Quality Scales & Resources

Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.

→ Understanding Air Quality Levels: read the full guide