East Chicago, Indiana, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
East Chicago, Indiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Aug - 15th Aug 2025
East Chicago, Indiana, United States
5 AM14th Aug 2025
8 PM
4 AM15th Aug 2025
80AQI
55AQI
78AQI
71AQI
In the last 24 hours,
East Chicago's AQI reached its highest point of 80 at 5 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 14th Aug and 15th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
East Chicago, Indiana, United States
27°C23/31°C
22°C20/23°C
22°C19/28°C
24°C21/28°C
22°C21/23°C
23°C20/28°C
25°C19/31°C
26°C20/33°C
28°C24/36°C
25°C23/27°C
26°C23/29°C
26°C23/29°C
27°C23/31°C
27°C22/33°C
25°C23/26°C
23°C19/26°C
22°C18/26°C
22°C19/27°C
22°C18/27°C
22°C18/26°C
23°C19/26°C
24°C19/30°C
26°C20/31°C
28°C22/34°C
28°C22/34°C
28°C23/34°C
25°C22/29°C
28°C23/34°C
24°C22/25°C
24°C20/29°C
--°C/°C
55AQI
55AQI
57AQI
53AQI
2025 Days Vs Air Quality
East Chicago, Indiana, United States
79%
178
20%
45
1%
3
Total number of days with different AQI categories in last 227 days in 2025 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 227 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
East Chicago, Indiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
24AQI
25AQI
21AQI
22AQI
19AQI
22AQI
29AQI
41AQI
68AQI
48AQI
44AQI
21AQI
29AQI
40AQI
42AQI
29AQI
23AQI
19AQI
19AQI
24AQI
26AQI
32AQI
38AQI
28AQI
22AQI
22AQI
23AQI
22AQI
32AQI
39AQI
22AQI
43AQI
51AQI
20AQI
26AQI
31AQI
24AQI
33AQI
34AQI
30AQI
30AQI
47AQI
34AQI
43AQI
46AQI
30AQI
23AQI
24AQI
24AQI
27AQI
37AQI
36AQI
51AQI
39AQI
42AQI
38AQI
44AQI
24AQI
22AQI
28AQI
32AQI
30AQI
24AQI
22AQI
27AQI
30AQI
24AQI
26AQI
27AQI
24AQI
43AQI
52AQI
82AQI
37AQI
34AQI
26AQI
34AQI
19AQI
24AQI
20AQI
26AQI
20AQI
32AQI
39AQI
44AQI
40AQI
36AQI
35AQI
30AQI
33AQI
38AQI
33AQI
33AQI
28AQI
24AQI
26AQI
22AQI
29AQI
51AQI
42AQI
55AQI
41AQI
34AQI
21AQI
21AQI
36AQI
51AQI
42AQI
37AQI
19AQI
27AQI
30AQI
54AQI
22AQI
20AQI
29AQI
31AQI
34AQI
28AQI
28AQI
29AQI
25AQI
29AQI
26AQI
41AQI
39AQI
26AQI
27AQI
38AQI
27AQI
36AQI
28AQI
32AQI
45AQI
38AQI
22AQI
21AQI
24AQI
27AQI
26AQI
16AQI
22AQI
16AQI
15AQI
26AQI
29AQI
33AQI
43AQI
45AQI
38AQI
33AQI
37AQI
56AQI
63AQI
101AQI
83AQI
79AQI
72AQI
69AQI
60AQI
69AQI
77AQI
74AQI
63AQI
48AQI
52AQI
41AQI
35AQI
27AQI
38AQI
36AQI
41AQI
54AQI
49AQI
32AQI
39AQI
34AQI
20AQI
30AQI
30AQI
28AQI
52AQI
53AQI
54AQI
67AQI
54AQI
49AQI
69AQI
52AQI
42AQI
41AQI
30AQI
54AQI
73AQI
82AQI
49AQI
28AQI
28AQI
31AQI
27AQI
58AQI
73AQI
60AQI
55AQI
35AQI
30AQI
27AQI
37AQI
40AQI
41AQI
110AQI
101AQI
77AQI
78AQI
73AQI
85AQI
89AQI
62AQI
56AQI
54AQI
49AQI
45AQI
44AQI
48AQI
60AQI
30AQI
34AQI
32AQI
33AQI
30AQI
51AQI
49AQI
66AQI
No. of days
202539AQI
Highest AQI recorded in
August66AQI
Lowest AQI recorded in
January30AQI
202432AQI
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
June27AQI
202343AQI
Highest AQI recorded in
June72AQI
Lowest AQI recorded in
March36AQI
202237AQI
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
March21AQI
202142AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
October36AQI
202043AQI
Highest AQI recorded in
December50AQI
Lowest AQI recorded in
September20AQI
Most & Least Polluted Years Over the Last 6 Years
East Chicago's annual 2025 AQI (39) shows an average percentage change of -0.5% (improved AQI) compared to previous years: 2020 (43), 2021 (42), 2022 (37), 2023 (43), 2024 (32).