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Air quality in Norristown
Air quality index (AQI) and PM2.5 air pollution in Norristown
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Norristown Air Quality Map
Real-time Norristown air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Norristown today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Norristown?
| Weather | Broken clouds |
| Temperature | 48.2°F |
| Humidity | 88% |
| Wind | 2 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Yosemite Np Turtleback Dome, California | 159 |
| 2 | Boerne, Texas | 99 |
| 3 | San Antonio, Texas | 92 |
| 4 | New Braunfels, Texas | 70 |
| 5 | Fort Worth, Texas | 68 |
| 6 | Georgetown, Texas | 68 |
| 7 | Leander, Texas | 67 |
| 8 | Austin, Texas | 63 |
| 9 | Round Rock, Texas | 63 |
| 10 | Hampton, Virginia | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
23*
live AQI index
Good
Overview
What is the current air quality in Norristown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 23* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.6*µg/m³ | |
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PM2.5
x1.1
PM2.5 concentration in Norristown is currently 1.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Norristown?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Norristown air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 23 AQI US |  60% | 77° 48.2° |  8.9 mp/h |
| Monday, Apr 29 | Moderate 51 AQI US  | | 82.4° 60.8° | 8.9 mp/h |
| Tuesday, Apr 30 | Moderate 58 AQI US | 70% | 80.6° 60.8° | 6.7 mp/h |
| Wednesday, May 1 | Good 50 AQI US | 70% | 69.8° 55.4° | 6.7 mp/h |
| Thursday, May 2 | Good 42 AQI US |  | 71.6° 50° | 8.9 mp/h |
| Friday, May 3 | Good 22 AQI US | | 69.8° 50° | 8.9 mp/h |
| Saturday, May 4 | Good 37 AQI US | 50% | 69.8° 55.4° | 6.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Norristown?
No locations are available.
AQI US, Metric