Get a monitor and contributor to air quality data in your city.
Sign in
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Chicago
Air quality index (AQI) and PM2.5 air pollution in Chicago
51K people follow this city
Chicago Air Quality Map
Real-time Chicago air pollution map
AIR QUALITY DATA CONTRIBUTORS
43 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 | Broken clouds |
| Temperature | 69.8°F |
| Humidity | 90% |
| Wind | 5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Klamath, Oregon | 163 |
| 2 | Nampa, Idaho | 161 |
| 3 | McCall, Idaho | 156 |
| 4 | Central Point, Oregon | 155 |
| 5 | Eagle Point, Oregon | 153 |
| 6 | Rogue River, Oregon | 152 |
| 7 | Jacksonville, Oregon | 149 |
| 8 | Medford, Oregon | 144 |
| 9 | Rapid City, South Dakota | 135 |
| 10 | Phoenix, Oregon | 133 |
(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 | Tri-Taylor | 147 |
| 2 | Logan Square | 137 |
| 3 | Avalon Park | 129 |
| 4 | West Town | 127 |
| 5 | Lake View | 126 |
| 6 | N Kimball Ave | 119 |
| 7 | East Side German Shepherd | 118 |
| 8 | 10905 S Ewing Ave | 117 |
| 9 | East Side Robin | 117 |
| 10 | Chicago Loop | 116 |
(local time)
SEE WORLD AQI RANKING
Spotlight
Chicago has "Unhealthy for Sensitive Groups" air quality. See the map and health recommendations.
US AQI
115
live AQI index
Unhealthy for sensitive groups
Overview
What is the current air quality in Chicago?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy for sensitive groups | 115 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 41.2µg/m³ | |
| O3 | 79µg/m³ | |
!
PM2.5
x8.2
PM2.5 concentration in Chicago is currently 8.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chicago?
 | Reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | 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 55 AQI US |  | 84.2° 64.4° | 8.9 mp/h |
| Today | Unhealthy for sensitive groups 115 AQI US | 100% | 73.4° 68° | 6.7 mp/h |
| Wednesday, Jul 24 | Moderate 59 AQI US |  | 77° 64.4° | 8.9 mp/h |
| Thursday, Jul 25 | Moderate 59 AQI US | | 78.8° 62.6° | 6.7 mp/h |
| Friday, Jul 26 | Moderate 59 AQI US | | 84.2° 64.4° | 6.7 mp/h |
| Saturday, Jul 27 | Moderate 61 AQI US | 90% | 82.4° 69.8° | 11.2 mp/h |
| Sunday, Jul 28 | Moderate 72 AQI US | 50% | 91.4° 71.6° | 13.4 mp/h |
| Monday, Jul 29 | Moderate 80 AQI US | 90% | 95° 71.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
Chicago air quality data attribution
43Contributors
- Illinois EPA
5 stations
Government Contributor
- AT
1 station
- Bucktown air
1 station
2 Individual Contributors
- 40 Anonymous contributors
40 stations
40 Anonymous Contributors
4 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Chicago?
- CICERO 27
- CHI_TAFT 32
- Chicago - SWFP 34
- 18th and California 57
- Hyde Park Hyde Park Egandale 58
- Rowan Park Fieldhouse 59
- Gladstone Park 60
- Kenwood 62
- McAuliffe Elementary School 63
- CHI_COM 64
- Honore and Avondale 66
- Avondale 74
- South Side 88
- 10425 S Ave M 91
- 11618 S Ave L 92
- Roscoe Village 92
- Senn Park 92
- 2215 W Cortez St 94
- LVEJO-R2 94
- 11123 S Green Bay Ave 95
- 11301 S Green Bay Ave 99
- 10912 S Buffalo Ave 100
- 2610 W 21st 102
- East Side Tiger 103
- Archer and 39th Pl 105
- South Lawndale LVEJO_R8 107
- 10910 S Mackinaw Ave 110
- 1243 W Granville Avenue 110
- East Side 110
- Hyde Park 110
- 36th and Paulina 111
- Roof deck 113
- East Side Frog 114
- South Lawndale LVEJO_R7 114
- 9719 S Ave J 115
- Chicago Loop 116
- Lake View East 116
- Ravenswood 116
- 10905 S Ewing Ave 117
- East Side Robin 117
- East Side German Shepherd 118
- N Kimball Ave 119
- Lake View 126
- West Town 127
- Avalon Park 129
- Logan Square 137
- Tri-Taylor 147
AQI US, Metric