Air Pollution in Illinois: Real-time Air Quality Index and smog alert.

Current data from stations: BRAIDWD Alhambra Bondville ROCK_IS KNIGHT_P Stockton
Pollution and air quality forecast for Illinois. Today is Friday, March 29, 2024. The following air pollution values have been recorded for Illinois:
  1. particulate matter (PM2.5) dust - 18 (Moderate)
  2. ozone (O3) - 0 (Good)
  3. carbon monoxide (CO) - 0 (Good)
  4. sulfur dioxide (SO2) - 0 (Good)
Real-time Air Quality Index (AQI) for Illinois, Friday, March 15, 2024: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Illinois today? Is the air polluted in Illinois?. Is there smog?

Today (Friday, March 15, 2024) air quality is moderate in Illinois. Some pollutants in Illinois may slightly affect very few hypersensitive individuals. Air pollutants in Illinois may cause minor breathing discomfort to sensitive people.


What is the current level of PM2.5 in Illinois? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 18 (Moderate) For comparison, the highest level of PM2.5 in Illinois in the last 7 days was: 18 (Wednesday, February 7, 2024) and the lowest: 6 (Wednesday, January 31, 2024). The highest PM2.5 values were recorded: 12 (August 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: May (5.7).

How is the O3 level today in Illinois? (ozone (O3))
0 (Good)

How high is the CO level? (carbon monoxide (CO))
0 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)



Current data Friday, March 15, 2024, 3:00 PM

PM2,5 18 (Moderate)

O3 0 (Good)

CO 0 (Good)

SO2 0 (Good)

0 (Good)

Data on air pollution from recent days in Illinois

index 2024-01-31 2024-02-01 2024-02-02 2024-02-03 2024-02-04 2024-02-05 2024-02-06 2024-02-07 2022-12-02 2022-12-03 2022-12-04 2022-12-05 2022-12-06 2024-03-09 2024-03-10 2024-03-11 2024-03-12 2024-03-13 2024-03-14 2024-03-15
pm25 6
Good
7
Good
8
Good
11
Good
11
Good
9
Good
15
Moderate
18
Moderate
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
so2 0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
no 0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
o3 0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
-
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
co 0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
data source »
Air pollution in Illinois from March 2016 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
o3:ppm 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good)
pm25 5.7 (Good) 8.2 (Good) 7.9 (Good) 8.3 (Good) 8.7 (Good) 11 (Good) 9 (Good) 6.3 (Good) 7.9 (Good) 7.5 (Good) 9.6 (Good) 7.6 (Good) 6.4 (Good) 7.2 (Good) 9.6 (Good) 9.8 (Good) 9.7 (Good) 8 (Good) 10 (Good) 6.3 (Good) 6.8 (Good) 12 (Good) 8.8 (Good) 8.1 (Good) 9.1 (Good) 7.7 (Good) 8.1 (Good) 9.3 (Good) 9.2 (Good) 10 (Good) 9.5 (Good) 7.2 (Good) 8.7 (Good) 8 (Good) 8.2 (Good) 6.4 (Good) 7.1 (Good) 7.1 (Good) 7.5 (Good) 9.9 (Good) 10 (Good) 8 (Good) 8.1 (Good) 7 (Good) 7.4 (Good) 8.5 (Good) 7.3 (Good) 7.5 (Good) 7.4 (Good) 9.9 (Good) 8.3 (Good)
co:ppm - (Good) - (Good) - (Good) 0.1 (Good) 0.06 (Good) 0.09 (Good) 0.05 (Good) 0.05 (Good) 0.09 (Good) 0.04 (Good) 0.09 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 0.15 (Good) 0.15 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 0.14 (Good) - (Good) - (Good) 0.16 (Good) 0.15 (Good) 0.15 (Good) - (Good) - (Good) - (Good) 0.14 (Good) 0.1 (Good) 0.12 (Good) 0.13 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good)
so2:ppm - (Good) - (Good) - (Good) - (Good) 0 (Good) 0 (Good) - (Good) - (Good) 0 (Good) 0 (Good) 0 (Good) - (Good) 0 (Good) - (Good) - (Good) - (Good) - (Good) 0 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 0 (Good) 0 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good)
data source »

BRAIDWD

Wednesday, February 7, 2024, 8:00 AM

PM2,5 21 (Moderate)

particulate matter (PM2.5) dust

Alhambra

Tuesday, December 6, 2022, 1:00 PM

O3 0.01 (Good)

ozone (O3)

Bondville

Tuesday, February 6, 2024, 10:00 AM

CO 0.2 (Good)

carbon monoxide (CO)

O3 0.01 (Good)

ozone (O3)

SO2 0 (Good)

sulfur dioxide (SO2)

0 (Good)

index_name_no

ROCK_IS

Wednesday, February 7, 2024, 8:00 AM

PM2,5 14 (Moderate)

particulate matter (PM2.5) dust

KNIGHT_P

Wednesday, February 7, 2024, 8:00 AM

PM2,5 20 (Moderate)

particulate matter (PM2.5) dust

Stockton

Friday, March 15, 2024, 3:00 PM

O3 0.03 (Good)

ozone (O3)

BRAIDWD

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
pm25 21 14 13 15 11 6.9 6.8 6

Alhambra

index 2022-12-06 2022-12-05 2022-12-04 2022-12-03 2022-12-02
o3 0.01 0.01 0.02 0.02 0.02

Bondville

index 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
so2 0 0 0 0 0 0 0
no 0 0 0 0 0 0 0
o3 0.01 0.02 0.02 0.02 0.02 0.02 0
co 0.2 0.16 0.1 0.1 0.1 0.1 0.1

ROCK_IS

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
pm25 15 15 8.4 13 9.3 6.3 9.2 6.4

KNIGHT_P

index 2024-02-07 2024-02-06 2024-02-05 2024-02-04 2024-02-03 2024-02-02 2024-02-01 2024-01-31
pm25 18 15 6.7 5.4 13 12 4.7 6.1

Stockton

index 2024-03-15 2024-03-14 2024-03-13 2024-03-12 2024-03-11 2024-03-10 2024-03-09
o3 0.03 0.04 0.04 0.04 0.04 0.04 0.03

BRAIDWD

2016-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
o3:ppm 0.03 0.03 0.03 0.02 - - 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.04 0.04 0.04 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.02 0.03 0.03 0.03 0.04 0.04 0.03 0.03
pm25 5 8.5 7.8 9.5 9.5 12 12 7.2 7.9 7.3 9.8 8.1 5.6 7 10 11 10 8.1 - 5.2 - 12 7.3 6.7 8.1 7.1 7.5 10 11 9.2 9.9 6.3 8.5 7.8 7.3 5.9 7 6.4 7.4 9.8 11 8.4 8.2 7.7 9.7 9.2 7.8 7.4 7.9 12 12

Alhambra

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2016-09 2016-08
o3:ppm 0.04 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.04 0.04 0.04 0.03 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.02 0.04

Bondville

2016-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
pm25 5.5 7.6 7.2 7.1 - - 6.7 5.6 6.9 - - 7.1 6.9 7.9 9.3 10 9.9 8.4 11 6.3 6.2 12 8.2 6.6 8.7 7.5 7.4 8 7.2 - 8.1 7.2 8.9 8.2 9 7 7.2 7.9 7.5 10 9.7 7.5 8 6.3 5.2 7.7 6.9 7.5 7 8 5.2
o3:ppm - - - 0.03 0.02 0.02 0.02 0.02 0.02 0.03 0.03 - 0.03 0.03 - 0.02 0.03 0.02 - - - - - - - 0.04 - - 0.03 0.02 0.02 - - - 0.04 0.04 0.04 0.04 - - - - - - - - - - - - -
co:ppm - - - 0.1 0.06 0.09 0.05 0.05 0.09 0.04 0.09 - - - - - - - 0.15 0.15 - - - - - 0.14 - - 0.16 0.15 0.15 - - - 0.14 0.1 0.12 0.13 - - - - - - - - - - - - -
so2:ppm - - - - 0 0 - - 0 0 0 - 0 - - - - 0 - - - - - - - - - - - 0 0 - - - - - - - - - - - - - - - - - - - -

ROCK_IS

2016-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
o3:ppm 0.04 0.03 0.03 0.04 - - 0.02 0.02 0.03 0.03 0.04 0.04 0.03 0.04 0.04 0.03 0.03 0.02 0.02 0.02 0.03 0.03 0.04 0.04 0.04 0.03 0.03 0.03 0.02 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.03 0.03 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.03 0.03
pm25 6 8.4 8.2 8.5 6.9 10 9.3 6.1 7.5 7.4 10 8.3 6.1 6.9 9.3 11 9.6 6.9 - 6.9 8 12 9.3 8.9 9.7 8.4 8.9 11 11 11 11 8.1 - - - - - - - - - - - - - - - - - - -

KNIGHT_P

2016-04   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04
o3:ppm 0.04 0.03 0.03 0.04 - - 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.04 0.04 0.03 - - - 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.03 0.02 - - 0.02 0.03 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.02 0.03 0.04 0.04 0.04
pm25 6.5 8.5 8.4 8 9.6 10 8.6 6.5 9.4 7.7 8.7 7 7 7.1 9.6 7.3 9.2 8.5 9.5 7 6.2 12 10 10 9.7 7.8 8.8 8.5 7.9 10 9.4 7 - - - - - - - - - - - - - - - -

QUINCY

index 2020-05 2020-04 2020-03 2020-02 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
o3:ppm 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.02 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.03 0.03

Stockton

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2016-09 2016-08
o3:ppm 0.04 0.03 0.03 0.03 0.03 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.03 0.03 0.02 0.02 0.02 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.02 0.03 0.04 0.03 0.03 0.04 0.04 0.04 0.03 0.03

* Pollution data source: https://openaq.org (AirNow) The data is licensed under CC-By 4.0