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Air quality in Johnston
Air quality index (AQI) and PM2.5 air pollution in Johnston
23 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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Johnston?
| Weather | Mist |
| Temperature | 55.4°F |
| Humidity | 98% |
| Wind | 16.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Desert, California | 164 |
| 2 | Coachella, California | 152 |
| 3 | Thermal, California | 93 |
| 4 | Indio, California | 88 |
| 5 | Corpus Christi, Texas | 84 |
| 6 | Baton Rouge, Louisiana | 81 |
| 7 | Shreveport, Louisiana | 81 |
| 8 | San Bernardino, California | 75 |
| 9 | Claremont, California | 73 |
| 10 | St Louis, Missouri | 73 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
13*
live AQI index
Good
Overview
What is the current air quality in Johnston?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 13* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.4*µg/m³ | |
✓
PM2.5 concentration in Johnston air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Johnston?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Johnston air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 13 AQI US |  100% | 57.2° 51.8° |  13.4 mp/h |
| Friday, May 17 | Moderate 58 AQI US  |  | 69.8° 50° | 11.2 mp/h |
| Saturday, May 18 | Good 27 AQI US |  | 68° 50° | 8.9 mp/h |
| Sunday, May 19 | Good 11 AQI US | | 68° 50° | 8.9 mp/h |
| Monday, May 20 | Good 11 AQI US | | 69.8° 48.2° | 4.5 mp/h |
| Tuesday, May 21 | Good 18 AQI US |  | 77° 48.2° | 8.9 mp/h |
| Wednesday, May 22 | Good 15 AQI US | | 71.6° 48.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Johnston?
No locations are available.
AQI US, Metric