Evergreen Park, Illinois, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Evergreen Park, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (8th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Feb - 8th Feb 2026
Evergreen Park, Illinois, United States
7 AM7th Feb 2026
4 PM
6 AM8th Feb 2026
48AQI
32AQI
61AQI
12AQI
In the last 24 hours,
Evergreen Park's AQI reached its highest point of 61 at 8 PM during the Night, while the lowest point, 12, was recorded at 3 AM during the Night between 7th Feb and 8th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Evergreen Park, Illinois, United States
3°C0/4°C
-1°C-3/1°C
0°C-4/5°C
5°C0/12°C
-2°C-9/3°C
-7°C-11/-4°C
-1°C-6/5°C
-7°C-9/-6°C
-9°C-11/-7°C
-13°C-16/-12°C
-11°C-17/-4°C
-2°C-6/1°C
-6°C-11/-2°C
-18°C-21/-15°C
-18°C-22/-13°C
-12°C-16/-7°C
-14°C-17/-9°C
-11°C-14/-9°C
-13°C-17/-8°C
-12°C-17/-7°C
-12°C-16/-6°C
-8°C-12/-3°C
-7°C-12/-3°C
-5°C-8/-1°C
-6°C-8/-1°C
-6°C-11/-3°C
-5°C-9/-2°C
0°C-4/5°C
-6°C-10/-3°C
-3°C-7/1°C
48AQI
34AQI
45AQI
26AQI
2026 Days Vs Air Quality
Evergreen Park, Illinois, United States
82%
32
18%
7
Total number of days with different AQI categories in last 40 days in 2026 (325 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 40 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Evergreen Park, Illinois, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
49AQI (US)
71AQI (US)
53AQI (US)
46AQI (US)
23AQI (US)
29AQI (US)
23AQI (US)
21AQI (US)
26AQI (US)
13AQI (US)
15AQI (US)
22AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
21AQI (US)
37AQI (US)
59AQI (US)
58AQI (US)
48AQI (US)
48AQI (US)
46AQI (US)
36AQI (US)
42AQI (US)
50AQI (US)
58AQI (US)
43AQI (US)
45AQI (US)
51AQI (US)
47AQI (US)
44AQI (US)
52AQI (US)
46AQI (US)
39AQI (US)
41AQI (US)
36AQI (US)
46AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
February46AQI (US)
Lowest AQI (US) recorded in
January36AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
May26AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
July45AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
June66AQI (US)
Lowest AQI (US) recorded in
February29AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
November30AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
November32AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
May51AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Evergreen Park's annual 2026 AQI (US) (38) shows an average percentage change of -0.1% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (40), 2022 (36), 2023 (40), 2024 (35), 2025 (38).