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 Johnstown
Air quality index (AQI) and PM2.5 air pollution in Johnstown
113 people follow this city
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 | High | |
 | Tree pollen | None | |
 | Grass pollen | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Johnstown?
| Weather | Clear sky |
| Temperature | 60.8°F |
| Humidity | 74% |
| Wind | 3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Desert, California | 97 |
| 2 | Glendora, California | 93 |
| 3 | Corpus Christi, Texas | 92 |
| 4 | Mecca, California | 87 |
| 5 | San Bernardino, California | 85 |
| 6 | Redlands, California | 84 |
| 7 | Claremont, California | 83 |
| 8 | Glendale, California | 83 |
| 9 | La Verne, California | 83 |
| 10 | Pasadena, California | 82 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
27*
live AQI index
Good
Overview
What is the current air quality in Johnstown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.9*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 27 AQI US |  30% | 82.4° 51.8° |  11.2 mp/h |
| Sunday, Jun 2 | Good 35 AQI US |  | 87.8° 53.6° | 22.4 mp/h |
| Monday, Jun 3 | Moderate 55 AQI US  |  | 86° 55.4° | 15.7 mp/h |
| Tuesday, Jun 4 | Good 19 AQI US | | 82.4° 62.6° | 15.7 mp/h |
| Wednesday, Jun 5 | Good 19 AQI US | | 89.6° 55.4° | 15.7 mp/h |
| Thursday, Jun 6 | Good 21 AQI US | | 84.2° 53.6° | 8.9 mp/h |
| Friday, Jun 7 | Good 41 AQI US | | 89.6° 57.2° | 15.7 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 Johnstown?
No locations are available.
AQI US, Metric