Air Quality Index (AQI) in French Guiana 🇬🇫
Live Air Quality Index (AQI) and PM2.5 Levels in French Guiana
Currently, the Air Quality Index (AQI) in Cayenne, the capital of French Guiana, is measured at a score of 38. According to the US EPA health standard, this air quality rating is categorized as Good. The current atmosphere in Cayenne is influenced by a PM2.5 (fine particulate matter) concentration of 6.9 µg/m³ and PM10 levels recorded at 11.0 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 0.3 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across French Guiana 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 Matoury, Saint-Laurent-du-Maroni, Kourou and Rémire-Montjoly. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
French Guiana Air Quality: Major Cities Index
* Air Quality Index (AQI) data for French Guiana 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.
Frequently Asked Questions about Air Quality in French Guiana
What is the air quality in French Guiana right now?
The current AQI in Cayenne (capital of French Guiana) is 38 — categorised as Good. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in French Guiana has the worst air quality right now?
Right now, Kourou has the highest AQI reading in French Guiana at 39 (Good).
Which city in French Guiana has the best air quality right now?
Cayenne currently has the lowest AQI in French Guiana at 38 (Good).
What is the PM2.5 level in Cayenne today?
The PM2.5 (fine particulate) concentration in Cayenne, the capital of French Guiana, is currently 6.9 µg/m³. The WHO 24-hour guideline is 15 µg/m³.
Is the air in French Guiana safe to breathe today?
Most cities in French Guiana currently report acceptable air-quality levels, though local conditions vary.
What are the cleanest cities in French Guiana right now?
Top 5 cities in French Guiana with the best (lowest) AQI right now:
- Cayenne: AQI 38 — Good
- Matoury: AQI 38 — Good
- Saint-Laurent-du-Maroni: AQI 38 — Good
- Rémire-Montjoly: AQI 38 — Good
- Kourou: AQI 39 — Good
What are the most polluted cities in French Guiana right now?
Top 5 cities in French Guiana with the worst (highest) AQI right now:
- Kourou: AQI 39 — Good
- Cayenne: AQI 38 — Good
- Matoury: AQI 38 — Good
- Saint-Laurent-du-Maroni: AQI 38 — Good
- Rémire-Montjoly: AQI 38 — Good
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