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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 | High | |
 | Tree pollen | High | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Norristown?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 55% |
| Wind | 8.1 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Arroyo Grande, California | 137 |
| 2 | Nipomo, California | 99 |
| 3 | San Antonio, Texas | 78 |
| 4 | Boerne, Texas | 74 |
| 5 | Georgetown, Texas | 72 |
| 6 | Oklahoma City, Oklahoma | 72 |
| 7 | Leander, Texas | 70 |
| 8 | Round Rock, Texas | 70 |
| 9 | Austin, Texas | 69 |
| 10 | New Braunfels, Texas | 64 |
(local time)
SEE WORLD AQI RANKING
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US AQI
14*
live AQI index
Good
Overview
What is the current air quality in Norristown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 14* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.5*µg/m³ | |
✓
PM2.5 concentration in Norristown air currently meets 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 |
|---|---|---|---|---|
| Friday, Apr 26 | Good 14 AQI US |  60% | 53.6° 42.8° |  8.9 mp/h |
| Today | Good 14 AQI US | 30% | 78.8° 48.2° | 8.9 mp/h |
| Sunday, Apr 28 | Good 50 AQI US | 40% | 82.4° 60.8° | 6.7 mp/h |
| Monday, Apr 29 | Moderate 59 AQI US  | 100% | 75.2° 59° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 50 AQI US | 100% | 68° 51.8° | 6.7 mp/h |
| Wednesday, May 1 | Good 42 AQI US |  | 71.6° 48.2° | 8.9 mp/h |
| Thursday, May 2 | Good 22 AQI US | 40% | 71.6° 50° | 11.2 mp/h |
| Friday, May 3 | Good 37 AQI US | 60% | 71.6° 57.2° | 13.4 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