Baldwin, 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
Baldwin, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th February):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Feb - 14th Feb 2026
Baldwin, Illinois, United States
7 AM13th Feb 2026
5 PM
6 AM14th Feb 2026
56AQI
28AQI
68AQI
22AQI
In the last 24 hours,
Baldwin's AQI reached its highest point of 68 at 7 PM during the Night, while the lowest point, 22, was recorded at 1 AM during the Night between 13th Feb and 14th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Baldwin, Illinois, United States
3°C0/8°C
-3°C-8/-2°C
-7°C-11/-2°C
-6°C-9/-3°C
-5°C-12/3°C
4°C-2/13°C
1°C-2/8°C
-9°C-15/-7°C
-14°C-16/-12°C
-13°C-18/-10°C
-15°C-22/-8°C
-7°C-12/0°C
-7°C-16/1°C
-4°C-6/0°C
-9°C-11/-5°C
-10°C-13/-4°C
-7°C-12/-2°C
0°C-6/6°C
1°C-1/5°C
-1°C-4/1°C
-4°C-11/2°C
3°C-2/11°C
1°C-1/6°C
2°C-4/10°C
4°C-4/16°C
13°C5/23°C
5°C-1/14°C
5°C0/14°C
8°C0/17°C
8°C4/13°C
53AQI
28AQI
45AQI
27AQI
2026 Days Vs Air Quality
Baldwin, Illinois, United States
93%
42
7%
3
Total number of days with different AQI categories in last 46 days in 2026 (319 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 46 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Baldwin, Illinois, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI (US)
50AQI (US)
36AQI (US)
46AQI (US)
45AQI (US)
41AQI (US)
39AQI (US)
40AQI (US)
20AQI (US)
22AQI (US)
15AQI (US)
23AQI (US)
38AQI (US)
11AQI (US)
15AQI (US)
22AQI (US)
12AQI (US)
16AQI (US)
14AQI (US)
29AQI (US)
41AQI (US)
43AQI (US)
54AQI (US)
28AQI (US)
32AQI (US)
36AQI (US)
27AQI (US)
31AQI (US)
44AQI (US)
54AQI (US)
31AQI (US)
36AQI (US)
46AQI (US)
39AQI (US)
35AQI (US)
48AQI (US)
40AQI (US)
29AQI (US)
24AQI (US)
47AQI (US)
40AQI (US)
29AQI (US)
51AQI (US)
38AQI (US)
44AQI (US)
32AQI (US)
39AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
June47AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Baldwin's annual 2026 AQI (US) (34) shows an average percentage change of -13.2% (improved AQI (US)) compared to previous years: 2025 (39).