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Air quality in Johnstown
Air quality index (AQI) and PM2.5 air pollution in Johnstown
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Johnstown Air Quality Map
Real-time Johnstown air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Johnstown today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Johnstown?
| Weather | Clear sky |
| Temperature | 50°F |
| Humidity | 46% |
| Wind | 11.5 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Waynesville, North Carolina | 105 |
| 2 | Calexico, California | 88 |
| 3 | Maryville, Tennessee | 69 |
| 4 | Porterville, California | 67 |
| 5 | Corpus Christi, Texas | 64 |
| 6 | Boerne, Texas | 59 |
| 7 | San Antonio, Texas | 59 |
| 8 | Knoxville, Tennessee | 57 |
| 9 | Marietta, Georgia | 56 |
| 10 | Bakersfield, California | 55 |
(local time)
SEE WORLD AQI RANKING
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US AQI
8*
live AQI index
Good
Overview
What is the current air quality in Johnstown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 8* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2*µg/m³ | |
✓
PM2.5 concentration in Johnstown air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Johnstown?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Johnstown air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 8 AQI US |  100% | 64.4° 46.4° |  22.4 mp/h |
| Wednesday, Apr 17 | Good 11 AQI US | 30% | 69.8° 46.4° | 17.9 mp/h |
| Thursday, Apr 18 | Good 5 AQI US |  70% | 42.8° 33.8° | 13.4 mp/h |
| Friday, Apr 19 | Good 6 AQI US | 100% | 51.8° 33.8° | 20.1 mp/h |
| Saturday, Apr 20 | Good 6 AQI US | 100% | 37.4° 30.2° | 6.7 mp/h |
| Sunday, Apr 21 | Good 7 AQI US | 40% | 66.2° 33.8° | 4.5 mp/h |
| Monday, Apr 22 | Good 8 AQI US |  | 59° 39.2° | 11.2 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 Johnstown?
No locations are available.
AQI US, Metric