Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Herval
Air quality index (AQI) and PM2.5 air pollution in Herval
7 people follow this city
Herval Air Quality Map
Real-time Herval air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Herval?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 99% |
| Wind | 8.8 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Brazil city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Sao Paulo, Sao Paulo | 124 |
| 2 | Campinas, Sao Paulo | 102 |
| 3 | Curitiba, Parana | 86 |
| 4 | Porto Velho, Rondonia | 46 |
| 5 | Camacari, Bahia | 43 |
| 6 | Recife, Pernambuco | 38 |
| 7 | Rio Branco, Acre | 34 |
| 8 | Manaus, Amazonas | 12 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
37*
live AQI index
Good
Overview
What is the current air quality in Herval?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 37* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.7*µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Herval is currently 1.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Herval?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Herval air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 37 AQI US |  100% | 59° 53.6° |  8.9 mp/h |
| Friday, May 24 | Good 12 AQI US | 100% | 57.2° 42.8° | 15.7 mp/h |
| Saturday, May 25 | Good 10 AQI US | | 50° 41° | 8.9 mp/h |
| Sunday, May 26 | Good 8 AQI US |  | 51.8° 37.4° | 6.7 mp/h |
| Monday, May 27 | Good 15 AQI US | 100% | 51.8° 46.4° | 11.2 mp/h |
| Tuesday, May 28 | Good 20 AQI US | 60% | 55.4° 46.4° | 11.2 mp/h |
| Wednesday, May 29 | Good 33 AQI US |  | 59° 42.8° | 4.5 mp/h |
Interested in hourly forecast? Get the app
Where is the cleanest air quality in Herval?
No locations are available.
AQI US, Metric