PL

Air quality in Porto Alegre today

Brazil · Updated Friday 00:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service

41

Moderate European AQI

Sensitive people may want to take it easier outdoors.

See Porto Alegre breathe on the live map →

Pollutants right now

PollutantValueLevel
PM2.517 µg/m³Fair
PM1018 µg/m³Good
NO₂22 µg/m³Good
O₃30 µg/m³Good

The pollutant that matters most in Porto Alegre right now is PM2.5.

Forecast: next 24 hours

Over the next 24 hours the air in Porto Alegre is expected to be worst around Fri 13:00 (AQI 62, poor). The cleanest hour is expected around Fri 10:00.

Fri 01:00: AQI 42Fri 02:00: AQI 42Fri 03:00: AQI 44Fri 04:00: AQI 45Fri 05:00: AQI 46Fri 06:00: AQI 48Fri 07:00: AQI 50Fri 08:00: AQI 48Fri 09:00: AQI 44Fri 10:00: AQI 39Fri 11:00: AQI 51Fri 12:00: AQI 61Fri 13:00: AQI 62Fri 14:00: AQI 59Fri 15:00: AQI 51Fri 16:00: AQI 40Fri 17:00: AQI 40Fri 18:00: AQI 46Fri 19:00: AQI 50Fri 20:00: AQI 53Fri 21:00: AQI 54Fri 22:00: AQI 54Fri 23:00: AQI 52Sat 00:00: AQI 51Fri 01:00Fri 13:00Sat 00:00
TimeAQILevelPM2.5
Fri 01:0042Moderate18
Fri 04:0045Moderate24
Fri 07:0050Moderate32
Fri 10:0039Fair14
Fri 13:0062Poor8
Fri 16:0040Fair8
Fri 19:0050Moderate22
Fri 22:0054Moderate24

The last 30 days

Over the last 30 days the average daily AQI in Porto Alegre was 30, with 0 day(s) rated poor or worse. The cleanest day was 6 Sept, the most polluted 18 Sept.

30 Aug: AQI 2231 Aug: AQI 241 Sept: AQI 262 Sept: AQI 383 Sept: AQI 364 Sept: AQI 305 Sept: AQI 266 Sept: AQI 197 Sept: AQI 338 Sept: AQI 339 Sept: AQI 3810 Sept: AQI 2611 Sept: AQI 2512 Sept: AQI 2213 Sept: AQI 2014 Sept: AQI 3215 Sept: AQI 3716 Sept: AQI 3617 Sept: AQI 3718 Sept: AQI 4319 Sept: AQI 2720 Sept: AQI 2821 Sept: AQI 3622 Sept: AQI 2223 Sept: AQI 2630 Aug11 Sept23 Sept

Questions and answers

Is the air in Porto Alegre good today?
Right now the European Air Quality Index in Porto Alegre is 41, which is moderate. Sensitive people may want to take it easier outdoors.
What pollutes the air in Porto Alegre?
At the moment PM2.5 contributes most to the air quality index in Porto Alegre. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
When will the air in Porto Alegre be cleanest?
Over the next 24 hours the air in Porto Alegre is expected to be worst around Fri 13:00 (AQI 62, poor). The cleanest hour is expected around Fri 10:00.
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.

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