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Air quality in Johnston
Air quality index (AQI) and PM2.5 air pollution in Johnston
3 people follow this city
Johnston Air Quality Map
Real-time Johnston air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Johnston today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Johnston?
| Weather | Clear sky |
| Temperature | 77°F |
| Humidity | 45% |
| Wind | 3.8 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Maricopa, Arizona | 76 |
| 2 | Mecca, California | 76 |
| 3 | Cleveland, Ohio | 71 |
| 4 | Pahrump, Nevada | 70 |
| 5 | New York City, New York | 68 |
| 6 | Corpus Christi, Texas | 62 |
| 7 | Casa Grande, Arizona | 61 |
| 8 | San Fernando, California | 61 |
| 9 | Lubbock, Texas | 60 |
| 10 | Indio, California | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
43*
live AQI index
Good
Overview
What is the current air quality in Johnston?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.4*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Johnston is currently 2.1 times the WHO annual air quality guideline value
Forecast
Johnston air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 43 AQI US |  70% | 80.6° 57.2° |  4.5 mp/h |
| Thursday, May 2 | Good 50 AQI US | | 84.2° 60.8° | 6.7 mp/h |
| Friday, May 3 | Good 49 AQI US | 60% | 82.4° 60.8° | 6.7 mp/h |
| Saturday, May 4 | Moderate 54 AQI US  | 100% | 75.2° 62.6° | 4.5 mp/h |
| Sunday, May 5 | Good 50 AQI US | 80% | 77° 62.6° | 6.7 mp/h |
| Monday, May 6 | Moderate 70 AQI US | 100% | 78.8° 62.6° | 6.7 mp/h |
| Tuesday, May 7 | Moderate 75 AQI US | 30% | 84.2° 62.6° | 8.9 mp/h |
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Where is the cleanest air quality in Johnston?
No locations are available.
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AQI US, Metric