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Air quality in Chicago
Air quality index (AQI) and PM2.5 air pollution in Chicago
50.9K people follow this city
Chicago Air Quality Map
Real-time Chicago air pollution map
AIR QUALITY DATA CONTRIBUTORS
42 Contributors
See all
Pollen
What is the pollen count in Chicago today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Chicago?
| Weather | Mist |
| Temperature | 82.4°F |
| Humidity | 55% |
| Wind | 15 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Nampa, Idaho | 210 |
| 2 | Boise, Idaho | 185 |
| 3 | Grants Pass, Oregon | 169 |
| 4 | Burns, Oregon | 162 |
| 5 | Rogue River, Oregon | 156 |
| 6 | Eagle Point, Oregon | 145 |
| 7 | Medford, Oregon | 143 |
| 8 | Carbondale, Colorado | 139 |
| 9 | Rapid City, South Dakota | 135 |
| 10 | Central Point, Oregon | 132 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Chicago aqi ranking
Real-time Chicago air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Roof deck | 59 |
| 2 | 18th and California | 58 |
| 3 | Lake View | 58 |
| 4 | N Kimball Ave | 58 |
| 5 | Ravenswood | 58 |
| 6 | West Town | 58 |
| 7 | Logan Square | 57 |
| 8 | Tri-Taylor | 57 |
| 9 | Avondale | 56 |
| 10 | Chicago Loop | 56 |
(local time)
SEE WORLD AQI RANKING
US AQI
52
live AQI index
Moderate
Overview
What is the current air quality in Chicago?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.9µg/m³ | |
| O3 | 107µg/m³ | |
!
PM2.5
x2
PM2.5 concentration in Chicago is currently 2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chicago?
 | 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
Chicago air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Jul 20 | Moderate 56 AQI US |  | 82.4° 66.2° |  8.9 mp/h |
| Sunday, Jul 21 | Good 49 AQI US  | | 80.6° 66.2° | 8.9 mp/h |
| Monday, Jul 22 | Moderate 54 AQI US |  | 84.2° 64.4° | 8.9 mp/h |
| Today | Moderate 52 AQI US | 70% | 84.2° 64.4° | 8.9 mp/h |
| Wednesday, Jul 24 | Moderate 71 AQI US | 100% | 75.2° 68° | 6.7 mp/h |
| Thursday, Jul 25 | Moderate 59 AQI US |  | 77° 66.2° | 8.9 mp/h |
| Friday, Jul 26 | Moderate 59 AQI US | | 80.6° 62.6° | 6.7 mp/h |
| Saturday, Jul 27 | Moderate 59 AQI US | | 84.2° 64.4° | 6.7 mp/h |
| Sunday, Jul 28 | Moderate 61 AQI US | | 86° 71.6° | 11.2 mp/h |
| Monday, Jul 29 | Moderate 72 AQI US | 60% | 91.4° 73.4° | 13.4 mp/h |
| Tuesday, Jul 30 | Moderate 80 AQI US | | 96.8° 77° | 13.4 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
Chicago air quality data attribution
42Contributors
- Illinois EPA
5 stations
Government Contributor
- AT
1 station
- Bucktown air
1 station
2 Individual Contributors
- 39 Anonymous contributors
39 stations
39 Anonymous Contributors
4 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Chicago?
- Rowan Park Fieldhouse 26
- 2215 W Cortez St 27
- 10425 S Ave M 37
- Roscoe Village 39
- McAuliffe Elementary School 41
- CHI_TAFT 42
- CICERO 42
- Chicago - SWFP 46
- 10910 S Mackinaw Ave 48
- East Side 48
- East Side Robin 48
- 11618 S Ave L 49
- East Side Frog 49
- South Side 49
- 11301 S Green Bay Ave 50
- Avalon Park 50
- East Side Tiger 50
- 10912 S Buffalo Ave 51
- 11123 S Green Bay Ave 51
- 9719 S Ave J 51
- East Side German Shepherd 51
- 10905 S Ewing Ave 52
- Archer and 39th Pl 52
- Hyde Park 52
- CHI_COM 53
- Hyde Park Hyde Park Egandale 53
- Kenwood 53
- Lake View East 53
- South Lawndale LVEJO_R8 53
- 2610 W 21st 54
- 36th and Paulina 54
- 1243 W Granville Avenue 55
- Honore and Avondale 55
- South Lawndale LVEJO_R7 55
- Avondale 56
- Chicago Loop 56
- Gladstone Park 56
- LVEJO-R2 56
- Logan Square 57
- Tri-Taylor 57
- 18th and California 58
- Lake View 58
- N Kimball Ave 58
- Ravenswood 58
- West Town 58
- Roof deck 59
AQI US, Metric