São Luis Air quality (AQI) and pollen forecast
Brazil
Maranhao state
2.5°S ·
44.3°W
Air quality · 5 days
São Luis · AQI index and dominant pollutant
Air quality · 27.06
Good
Clean air — safe to walk and exercise outdoors
Main pollutant: PM2.5
PM2.5
6.2
µg/m³
PM10
9.8
µg/m³
O₃
45.1
µg/m³
NO₂
1.6
µg/m³
SO₂
0.7
µg/m³
CO
93.2
µg/m³
Pollen & allergens · 5 days
São Luis · pollen level and main allergen analysis
Pollen & allergens · 27.06
Safe
Low pollen levels
Pollen levels are very low — comfortable for people with allergies or sensitivity to seasonal irritants.
Hazel
0
grains/m³
Alder
0
grains/m³
Birch
0
grains/m³
Oak
0
grains/m³
Grass
0
grains/m³
Mugwort
0
grains/m³
Air quality and pollen — today's insights
Air: Clean air — safe to walk and exercise outdoors. Safe for walks, sports, and long time outdoors — even for people with asthma or allergies. Dominant pollutant: PM2.5.
Pollen: Low pollen levels. Pollen levels are very low — comfortable for people with allergies or sensitivity to seasonal irritants.