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Air quality in Hillsborough
Air quality index (AQI) and PM2.5 air pollution in Hillsborough
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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 | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Hillsborough?
| Weather | Broken clouds |
| Temperature | 77°F |
| Humidity | 43% |
| Wind | 1 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Coachella, California | 111 |
| 2 | Mecca, California | 102 |
| 3 | Corpus Christi, Texas | 100 |
| 4 | San Bernardino, California | 88 |
| 5 | Pahrump, Nevada | 84 |
| 6 | North Hollywood, California | 83 |
| 7 | San Fernando, California | 79 |
| 8 | Glendale, California | 78 |
| 9 | Redlands, California | 78 |
| 10 | Yucaipa, California | 78 |
(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 | 36 |
(local time)
SEE WORLD AQI RANKING
US AQI
36
live AQI index
Good
Overview
What is the current air quality in Hillsborough?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 36 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.5µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Hillsborough is currently 1.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Hillsborough?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Hillsborough air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 24 AQI US |  | 75.2° 51.8° |  6.7 mp/h |
| Thursday, May 30 | Good 28 AQI US | | 73.4° 50° | 8.9 mp/h |
| Friday, May 31 | Good 30 AQI US | | 77° 51.8° | 6.7 mp/h |
| Today | Good 36 AQI US | | 77° 51.8° | 6.7 mp/h |
| Sunday, Jun 2 | Moderate 60 AQI US  |  40% | 78.8° 57.2° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 64 AQI US | 40% | 80.6° 60.8° | 8.9 mp/h |
| Tuesday, Jun 4 | Moderate 62 AQI US | 100% | 80.6° 66.2° | 8.9 mp/h |
| Wednesday, Jun 5 | Moderate 77 AQI US | 100% | 66.2° 62.6° | 6.7 mp/h |
| Thursday, Jun 6 | Moderate 75 AQI US | 100% | 78.8° 66.2° | 8.9 mp/h |
| Friday, Jun 7 | Moderate 68 AQI US | 90% | 78.8° 62.6° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
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