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Air quality in San Luis Obispo
Air quality index (AQI) and PM2.5 air pollution in San Luis Obispo
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San Luis Obispo Air Quality Map
Real-time San Luis Obispo air pollution map
AIR QUALITY DATA CONTRIBUTORS
17 Contributors
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Pollen
What is the pollen count in San Luis Obispo today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Luis Obispo?
| Weather | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 82% |
| Wind | 2.5 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 88 |
| 2 | Corpus Christi, Texas | 80 |
| 3 | Maricopa, Arizona | 77 |
| 4 | Deschutes River Woods, Oregon | 75 |
| 5 | Pahrump, Nevada | 74 |
| 6 | Coachella, California | 73 |
| 7 | Canton, Ohio | 71 |
| 8 | Potomac, Maryland | 70 |
| 9 | Harrisburg, Pennsylvania | 69 |
| 10 | Claremont, California | 67 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live San Luis Obispo aqi ranking
Real-time San Luis Obispo air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | SLO-Roberto | 52 |
| 2 | CARB - Cal Poly | 41 |
| 3 | Montrose Drive | 35 |
| 4 | 900-998 County Road 306 | 29 |
| 5 | Donegal Drive | 29 |
| 6 | Jaycee Drive | 29 |
| 7 | Baywood Way | 28 |
| 8 | Chaparral Circle | 27 |
| 9 | Broad St | 26 |
| 10 | Black Walnut Road | 24 |
(local time)
SEE WORLD AQI RANKING
US AQI
25
live AQI index
Good
Overview
What is the current air quality in San Luis Obispo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.6µg/m³ | |
| PM10 | 12µg/m³ | |
✓
PM2.5 concentration in San Luis Obispo air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Luis Obispo?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
San Luis Obispo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 17 | Good 13 AQI US | | 62.6° 50° |  6.7 mp/h |
| Saturday, May 18 | Good 16 AQI US |  | 64.4° 50° | 8.9 mp/h |
| Sunday, May 19 | Good 27 AQI US |  | 60.8° 48.2° | 6.7 mp/h |
| Today | Good 25 AQI US | | 60.8° 48.2° | 6.7 mp/h |
| Tuesday, May 21 | Good 24 AQI US | | 68° 48.2° | 6.7 mp/h |
| Wednesday, May 22 | Good 26 AQI US | | 66.2° 51.8° | 6.7 mp/h |
| Thursday, May 23 | Good 36 AQI US | | 60.8° 50° | 6.7 mp/h |
| Friday, May 24 | Good 23 AQI US | | 62.6° 50° | 8.9 mp/h |
| Saturday, May 25 | Good 23 AQI US | | 62.6° 48.2° | 8.9 mp/h |
| Sunday, May 26 | Good 19 AQI US | | 62.6° 48.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
San Luis Obispo air quality data attribution
17Contributors
- California Air Resources Board (CARB)
2 stations
Government Contributor
- 16 Anonymous contributors
16 stations
16 Anonymous Contributors
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Luis Obispo?
- King Street 11
- Hays Street 13
- 3663 See Canyon Road 16
- San Luis Obispo, Meadow Street 21
- 4446-4498 Sunflower Way 23
- Righetti Road 23
- Black Walnut Road 24
- Cornus Court 24
- Via Laguna Vista 24
- Broad St 26
- Chaparral Circle 27
- Baywood Way 28
- 900-998 County Road 306 29
- Donegal Drive 29
- Jaycee Drive 29
- Montrose Drive 35
- CARB - Cal Poly 41
- SLO-Roberto 52
AQI US, Metric