Air Quality in Santos, Brazil

Cloudy
21.4°C · 80.0% humidity
21.4°
Feels 21.4°
83
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 11am
54
54
83 2pm
75
69
65 5pm
62
59
70 8pm
69
68
67 11pm
55
55
55 2am
34
34
34 5am
27
34
34 8am
54
54
AD 728×90

Air Quality Index Trend

48h · 3 stn

Santos's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in Santos is 1.8× the WHO 24-hour guideline of 15 µg/m³.

80.0%
Humidity
33.3 km/h
Wind E
1016.2 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
83
27.48 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Santos?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.527.48 µg/m³ ×1.8 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
27.48
Median
28.0
Average
21.6
Low
34.4
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -11.1
Both models agree Avg diff: 2.4°C

Where are air quality stations near Santos?

10
Santos-Ponta da Praia, São Paulo, Brazil
4.1 km PM2.5: 2.4 µg/m³
31
Cubatão-Centro, São Paulo, Brazil
12.5 km PM2.5: 7.4 µg/m³
3
Cubatão-Centro, São Paulo, Brazil
12.5 km PM2.5: 0.7 µg/m³
33
Cubatão-Vila Parisi, São Paulo, Brazil
13.6 km PM2.5: 7.9 µg/m³
10
Cubatão-Vila Parisi, São Paulo, Brazil
13.6 km PM2.5: 2.4 µg/m³

What cities are near Santos?

81 São Vicente 84 Guarujá 82 Praia Grande 73 Cubatão 34 Bertioga 92 Rio Grande da Serra 95 Ribeirão Pires 44 Mongaguá 95 Mauá 72 São Bernardo do Campo
Get AQI alerts for Santos

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:13 UTC.