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Air quality in Hillsborough
Air quality index (AQI) and PM2.5 air pollution in Hillsborough
625 people follow this city
Hillsborough Air Quality Map
Real-time Hillsborough air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Hillsborough today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Hillsborough?
| Weather | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 75% |
| Wind | 6.6 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Arroyo Grande, California | 124 |
| 2 | San Antonio, Texas | 81 |
| 3 | Georgetown, Texas | 79 |
| 4 | Boerne, Texas | 78 |
| 5 | Austin, Texas | 76 |
| 6 | Round Rock, Texas | 76 |
| 7 | Leander, Texas | 72 |
| 8 | Nipomo, California | 71 |
| 9 | New Braunfels, Texas | 69 |
| 10 | Orcutt, California | 68 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Hillsborough aqi ranking
Real-time Hillsborough air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Fiori Hill Drive South | 52 |
(local time)
SEE WORLD AQI RANKING
US AQI
52
live AQI index
Moderate
Overview
What is the current air quality in Hillsborough?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.4µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Hillsborough is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Hillsborough?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Hillsborough air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Apr 24 | Good 35 AQI US  |  | 71.6° 48.2° |  11.2 mp/h |
| Thursday, Apr 25 | Good 26 AQI US | | 68° 44.6° | 8.9 mp/h |
| Friday, Apr 26 | Good 23 AQI US | | 73.4° 51.8° | 6.7 mp/h |
| Today | Moderate 52 AQI US |  | 78.8° 53.6° | 11.2 mp/h |
| Sunday, Apr 28 | Moderate 51 AQI US | | 78.8° 55.4° | 8.9 mp/h |
| Monday, Apr 29 | Good 50 AQI US |  90% | 78.8° 55.4° | 11.2 mp/h |
| Tuesday, Apr 30 | Moderate 52 AQI US | | 80.6° 55.4° | 4.5 mp/h |
| Wednesday, May 1 | Moderate 66 AQI US | | 78.8° 55.4° | 6.7 mp/h |
| Thursday, May 2 | Moderate 73 AQI US | | 77° 51.8° | 4.5 mp/h |
| Friday, May 3 | Moderate 78 AQI US | 90% | 78.8° 62.6° | 8.9 mp/h |
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News
The latest air quality news and resources.
Hillsborough 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 Hillsborough?
AQI US, Metric