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Air quality in Castanhal
Air quality index (AQI) and PM2.5 air pollution in Castanhal
7 people follow this city
Castanhal Air Quality Map
Real-time Castanhal air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Castanhal?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 98% |
| Wind | 2.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Brazil city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campinas, Sao Paulo | 114 |
| 2 | Camacari, Bahia | 78 |
| 3 | Rio Branco, Acre | 35 |
| 4 | Manaus, Amazonas | 31 |
| 5 | Sao Paulo, Sao Paulo | 30 |
| 6 | Curitiba, Parana | 17 |
| 7 | Porto Velho, Rondonia | 17 |
| 8 | Recife, Pernambuco | 16 |
(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 Castanhal?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.4*µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Castanhal is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Castanhal?
 | 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
Castanhal air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 57 AQI US |  100% | 89.6° 69.8° |  4.5 mp/h |
| Sunday, May 19 | Good 47 AQI US  | 100% | 87.8° 71.6° | 4.5 mp/h |
| Monday, May 20 | Moderate 51 AQI US | 100% | 86° 71.6° | 4.5 mp/h |
| Tuesday, May 21 | Good 48 AQI US | 100% | 87.8° 71.6° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 60 AQI US | 60% | 87.8° 71.6° | 6.7 mp/h |
| Thursday, May 23 | Moderate 70 AQI US | 100% | 87.8° 71.6° | 4.5 mp/h |
| Friday, May 24 | Moderate 69 AQI US | 100% | 89.6° 71.6° | 4.5 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 Castanhal?
No locations are available.
AQI US, Metric