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Air quality in Waltham
Air quality index (AQI) and PM2.5 air pollution in Waltham
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Waltham Air Quality Map
Real-time Waltham air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Waltham today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Waltham?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 88% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 92 |
| 2 | Mecca, California | 88 |
| 3 | Corpus Christi, Texas | 82 |
| 4 | New Braunfels, Texas | 78 |
| 5 | Palm Desert, California | 75 |
| 6 | Canton, Ohio | 74 |
| 7 | Pahrump, Nevada | 73 |
| 8 | Maricopa, Arizona | 71 |
| 9 | Redlands, California | 71 |
| 10 | San Bernardino, California | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Waltham aqi ranking
Real-time Waltham air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Brandeis University | 10 |
(local time)
SEE WORLD AQI RANKING
US AQI
10
live AQI index
Good
Overview
What is the current air quality in Waltham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 10 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.7µg/m³ | |
✓
PM2.5 concentration in Waltham air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Waltham?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Waltham air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 17 | Good 9 AQI US |  | 57.2° 51.8° |  6.7 mp/h |
| Saturday, May 18 | Good 5 AQI US | | 57.2° 51.8° | 8.9 mp/h |
| Sunday, May 19 | Good 4 AQI US | | 71.6° 48.2° | 6.7 mp/h |
| Today | Good 10 AQI US | | 71.6° 48.2° | 6.7 mp/h |
| Tuesday, May 21 | Good 42 AQI US | | 84.2° 51.8° | 8.9 mp/h |
| Wednesday, May 22 | Moderate 58 AQI US  | 60% | 89.6° 60.8° | 8.9 mp/h |
| Thursday, May 23 | Good 50 AQI US | 100% | 86° 60.8° | 8.9 mp/h |
| Friday, May 24 | Good 32 AQI US | | 80.6° 59° | 8.9 mp/h |
| Saturday, May 25 | Good 13 AQI US |  | 77° 55.4° | 8.9 mp/h |
| Sunday, May 26 | Good 26 AQI US | 80% | 60.8° 51.8° | 4.5 mp/h |
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News
The latest air quality news and resources.
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Waltham air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Waltham?
AQI US, Metric