- World Air Quality
View our real-time, 3D animated air pollution mapView our interactive air quality mapDownload our free air quality appLive AQI city rankingSee the most polluted cities around the worldall air quality newsExplore world air quality2019 Most polluted countriesAir Quality NewsFree website widgetAir quality API - Community
- Products
- Shop Home
- Best Sellers
- Best Sellers
- Shop Commercial
- Best Sellers
- Best Sellers
- Shop Home
- Solutions HomeOn-the-goOfficesAir monitoringSchoolsHospitals & clinicsDental officesDoctors' officesLaboratoriesHospitalityMuseumsFind a dealerFind an IQAir dealer to customize your air quality solutions.start
Find a dealer
Our Customers
Air quality services - Air Quality News
- Support
city Air quality in Saint Louis
Air quality index (AQI) and PM2.5 air pollution in Saint Louis
5.58K people follow this city
Saint Louis
Air Quality Map
Saint Louis AIR POLLUTION MAP
Weather
What is the current weather in Saint Louis?
| Weather | Clear sky |
| Temperature | 87.8 oC |
| Humidity | 52 % |
| Wind | 4.7 mp/h |
| Pressure | 1010 mb |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Union | 128 |
| 2 | Sykesville | 117 |
| 3 | Huntington | 97 |
| 4 | Leon Valley | 95 |
| 5 | North Beach Haven | 93 |
| 6 | Three Rivers | 93 |
| 7 | Mecca | 88 |
| 8 | Virginia Beach | 87 |
| 9 | Belvedere | 84 |
| 10 | Mound | 84 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint Louis aqi ranking
Real-time Saint Louis air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Forest Park | 31 |
| 2 | BROADWAY (South) | 25 |
| 3 | BLAIR STREET | 24 |
| 4 | Ladue | 18 |
| 5 | Branch Street | 16 |
(local time)
SEE WORLD AQI RANKINGUS AQI
21
live AQI index
Good
Overview
What is the current air quality in Saint Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.1 µg/m³ | |
| pm10 | 17 µg/m³ | |
Health Recommendations
How to protect from air pollution in Saint Louis?
 | Open your windows to bring clean, fresh air indoors |
 | Enjoy outdoor activities |
Forecast
Saint Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Jul 8 | Good | |||
| Thursday, Jul 9 | Good | |||
| Friday, Jul 10 | Good | |||
| Today | Good |  | 82.4° 71.6° |  11.2 mp/h |
| Sunday, Jul 12 | Good | | 80.6° 66.2° | 4.5 mp/h |
| Monday, Jul 13 | Good | | 84.2° 66.2° | 8.9 mp/h |
| Tuesday, Jul 14 | Moderate  |  | 89.6° 71.6° | 8.9 mp/h |
| Wednesday, Jul 15 | Moderate | | 89.6° 71.6° | 4.5 mp/h |
| Thursday, Jul 16 | Moderate | | 93.2° 75.2° | 2.2 mp/h |
Interested in hourly forecast? Get the app
Historic air quality graph for Saint Louis
How to best protect from air pollution?
Where is the cleanest air quality in Saint Louis?
Track your air quality anywhere you are
Download the app
