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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
Pollen
What is the pollen count in Johnstown 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 Johnstown?
| Weather | Rain |
| Temperature | 62.6°F |
| Humidity | 94% |
| Wind | 1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campo, California | 92 |
| 2 | Mecca, California | 86 |
| 3 | Georgetown, Texas | 85 |
| 4 | Leander, Texas | 82 |
| 5 | Round Rock, Texas | 80 |
| 6 | Cedar Park, Texas | 73 |
| 7 | Palm Desert, California | 72 |
| 8 | Austin, Texas | 71 |
| 9 | Coraopolis, Pennsylvania | 68 |
| 10 | Saint Clair, Pennsylvania | 67 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Johnstown aqi ranking
Real-time Johnstown air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Liberty Township, Licking County, OH | 64 |
(local time)
SEE WORLD AQI RANKING
US AQI
64
live AQI index
Moderate
Overview
What is the current air quality in Johnstown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 64 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 16.1µg/m³ | |
| PM10 | 16.5µg/m³ | |
!
PM2.5
x3.2
PM2.5 concentration in Johnstown is currently 3.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Johnstown?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Johnstown air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, May 30 | Good 25 AQI US  |  | 69.8° 44.6° |  4.5 mp/h |
| Friday, May 31 | Good 43 AQI US |  | 73.4° 50° | 8.9 mp/h |
| Saturday, Jun 1 | Moderate 57 AQI US | | 68° 59° | 11.2 mp/h |
| Today | Moderate 64 AQI US | 90% | 68° 59° | 11.2 mp/h |
| Monday, Jun 3 | Moderate 57 AQI US | 40% | 78.8° 57.2° | 4.5 mp/h |
| Tuesday, Jun 4 | Moderate 58 AQI US |  | 80.6° 60.8° | 8.9 mp/h |
| Wednesday, Jun 5 | Moderate 58 AQI US | 100% | 77° 64.4° | 15.7 mp/h |
| Thursday, Jun 6 | Moderate 58 AQI US | 80% | 77° 60.8° | 17.9 mp/h |
| Friday, Jun 7 | Good 15 AQI US | | 69.8° 51.8° | 17.9 mp/h |
| Saturday, Jun 8 | Good 16 AQI US | 90% | 71.6° 48.2° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Johnstown air quality data attribution
1Contributor
AirGradient1 station
Corporate Contributor
1 Data source
Where is the cleanest air quality in Johnstown?
AQI US, Metric