Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Signal Hill
Air quality index (AQI) and PM2.5 air pollution in Signal Hill
270 people follow this city
Signal Hill Air Quality Map
Real-time Signal Hill air pollution map
AIR QUALITY DATA CONTRIBUTORS
3 Contributors
See all
Pollen
What is the pollen count in Signal Hill today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Signal Hill?
| Weather | Clear sky |
| Temperature | 57.2°F |
| Humidity | 85% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Buffalo, New York | 75 |
| 2 | Corpus Christi, Texas | 66 |
| 3 | New Braunfels, Texas | 63 |
| 4 | The Woodlands, Texas | 63 |
| 5 | New York City, New York | 61 |
| 6 | Lancaster, Pennsylvania | 60 |
| 7 | Throop, Pennsylvania | 60 |
| 8 | Trenton, New Jersey | 60 |
| 9 | Bethlehem, Pennsylvania | 59 |
| 10 | Braddock, Pennsylvania | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Signal Hill aqi ranking
Real-time Signal Hill air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | East Hill Street | 30 |
| 2 | CCA 19th and Molino | 22 |
| 3 | East 21st Street | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
27
live AQI index
Good
Overview
What is the current air quality in Signal Hill?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.6µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Signal Hill is currently 1.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Signal Hill?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Signal Hill air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, Apr 26 | Good 21 AQI US |  | 66.2° 55.4° |  11.2 mp/h |
| Saturday, Apr 27 | Good 24 AQI US | | 68° 55.4° | 8.9 mp/h |
| Sunday, Apr 28 | Good 23 AQI US | | 68° 59° | 8.9 mp/h |
| Today | Good 27 AQI US | | 68° 59° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 41 AQI US | | 68° 59° | 8.9 mp/h |
| Wednesday, May 1 | Good 35 AQI US | | 66.2° 59° | 8.9 mp/h |
| Thursday, May 2 | Good 21 AQI US | | 71.6° 59° | 8.9 mp/h |
| Friday, May 3 | Good 12 AQI US | | 68° 59° | 8.9 mp/h |
| Saturday, May 4 | Good 18 AQI US |  | 62.6° 57.2° | 8.9 mp/h |
| Sunday, May 5 | Good 16 AQI US | | 66.2° 57.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Signal Hill air quality data attribution
3Contributors
- Coalition for Clean Air (CCA)
1 station
Non-profit organization Contributor
- 2 Anonymous contributors
2 stations
2 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Signal Hill?
AQI US, Metric