Air quality in Waltham
Air quality index (AQI) and PM2.5 air pollution in Waltham
3 people follow this city
Waltham Air Quality Map
Real-time Waltham air pollution map
Air Quality Data contributor(s)
Station(s) operated by
*IQAir’s AQI data modeled using satellite data. Learn more
Waltham does not have air monitor data
Be the first to measure and contribute air quality data to your community.
Become a contributorWeather
What is the current weather in Waltham?
| Weather | Broken clouds |
| Temperature | 35.6°F |
| Humidity | 58% |
| Wind | 17.3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Heber, California | 180 |
| 2 | Murphy, North Carolina | 155 |
| 3 | Happy Camp, California | 153 |
| 4 | Tahlequah, Oklahoma | 153 |
| 5 | Hayesville, North Carolina | 148 |
| 6 | Young Harris, Georgia | 143 |
| 7 | Muldrow, Oklahoma | 129 |
| 8 | Fannin, Georgia | 127 |
| 9 | Chanute, Kansas | 117 |
| 10 | Stilwell, Oklahoma | 117 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
25*
live AQI index
Good
Overview
What is the current air quality in Waltham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.1*µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Waltham is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in Waltham?
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
 | Enjoy outdoor activities |
Forecast
Waltham air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Mar 29 | Good 18 US AQI |  | 39.2°30.2° |  13.4 mp/h |
| Today | Good 25 US AQI |  100% | 48.2°30.2° | 8.9 mp/h |
| Friday, Mar 31 | Good 27 US AQI | 100% | 59°41° | 15.7 mp/h |
| Saturday, Apr 1 | Good 12 US AQI | | 42.8°32° | 13.4 mp/h |
| Sunday, Apr 2 | Good 7 US AQI | | 59°32° | 15.7 mp/h |
| Monday, Apr 3 | Good 19 US AQI | 40% | 55.4°42.8° | 6.7 mp/h |
| Tuesday, Apr 4 | Good 31 US AQI | 100% | 48.2°39.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
Historical
Historic air quality graph for Waltham
How to best protect from air pollution?
Where is the cleanest air quality in Waltham?
