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Air quality in Castro
Air quality index (AQI) and PM2.5 air pollution in Castro
9 people follow this city
Castro Air Quality Map
Real-time Castro air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Castro?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 57% |
| Wind | 6.2 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Brazil city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Sao Paulo, Sao Paulo | 77 |
| 2 | Campinas, Sao Paulo | 65 |
| 3 | Curitiba, Parana | 49 |
| 4 | Rio Branco, Acre | 43 |
| 5 | Porto Velho, Rondonia | 25 |
| 6 | Camacari, Bahia | 6 |
| 7 | Manaus, Amazonas | 5 |
| 8 | Recife, Pernambuco | 5 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in Castro?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.1*µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Castro is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Castro?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Castro air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 57 AQI US |  | 71.6° 55.4° |  4.5 mp/h |
| Tuesday, May 21 | Moderate 54 AQI US |  | 77° 55.4° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 58 AQI US | | 77° 55.4° | 11.2 mp/h |
| Thursday, May 23 | Moderate 55 AQI US | | 75.2° 59° | 11.2 mp/h |
| Friday, May 24 | Moderate 57 AQI US |  100% | 68° 48.2° | 11.2 mp/h |
| Saturday, May 25 | Moderate 52 AQI US | | 57.2° 41° | 8.9 mp/h |
| Sunday, May 26 | Moderate 59 AQI US | 100% | 48.2° 46.4° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Castro?
No locations are available.
AQI US, Metric