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Air quality in Holliston
Air quality index (AQI) and PM2.5 air pollution in Holliston
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Holliston Air Quality Map
Real-time Holliston air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Holliston today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Holliston?
| Weather | Broken clouds |
| Temperature | 62.6°F |
| Humidity | 88% |
| Wind | 1 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 92 |
| 2 | San Bernardino, California | 81 |
| 3 | Yucaipa, California | 80 |
| 4 | Three Rivers, Oregon | 78 |
| 5 | Shreveport, Louisiana | 75 |
| 6 | Redlands, California | 74 |
| 7 | Apple Valley, Minnesota | 73 |
| 8 | Santa Clarita, California | 73 |
| 9 | Blaine, Minnesota | 72 |
| 10 | Fort Myers, Florida | 69 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
41*
live AQI index
Good
Overview
What is the current air quality in Holliston?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 41* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.6*µg/m³ | |
!
PM2.5
x1.5
PM2.5 concentration in Holliston is currently 1.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Holliston?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Holliston air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 41 AQI US |  90% | 66.2° 53.6° |  6.7 mp/h |
| Thursday, May 16 | Good 23 AQI US | 100% | 55.4° 50° | 13.4 mp/h |
| Friday, May 17 | Moderate 53 AQI US  | | 68° 48.2° | 8.9 mp/h |
| Saturday, May 18 | Good 37 AQI US | | 68° 46.4° | 6.7 mp/h |
| Sunday, May 19 | Good 16 AQI US | | 64.4° 44.6° | 8.9 mp/h |
| Monday, May 20 | Good 18 AQI US | | 69.8° 42.8° | 4.5 mp/h |
| Tuesday, May 21 | Good 14 AQI US |  | 75.2° 48.2° | 6.7 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Holliston?
No locations are available.
AQI US, Metric