Elgin, Illinois, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Elgin, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 22 of Good air quality, showing improvement over 2025 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Elgin, Illinois, United States
5 AM2nd Jun 2026
8 PM
4 AM3rd Jun 2026
33AQI
10AQI
25AQI
12AQI
In the last 24 hours,
Elgin's AQI reached its highest point of 33 at 10 AM during the Day, while the lowest point, 10, was recorded at 7 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Elgin, Illinois, United States
13°C8/19°C
9°C4/15°C
9°C0/18°C
12°C3/21°C
16°C11/24°C
12°C4/19°C
12°C5/18°C
14°C4/26°C
13°C8/20°C
13°C4/22°C
18°C11/27°C
23°C17/31°C
24°C18/32°C
23°C19/28°C
19°C11/26°C
10°C6/15°C
12°C7/19°C
16°C9/24°C
17°C14/25°C
19°C13/26°C
22°C13/31°C
23°C15/33°C
23°C15/32°C
20°C13/28°C
21°C10/32°C
20°C14/28°C
18°C11/30°C
19°C13/28°C
19°C10/28°C
21°C10/31°C
41AQI
28AQI
33AQI
29AQI
2026 Days Vs Air Quality
Elgin, Illinois, United States
96%
145
4%
6
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 154 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
Elgin, Illinois, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
21AQI (US)
23AQI (US)
26AQI (US)
42AQI (US)
69AQI (US)
44AQI (US)
44AQI (US)
18AQI (US)
29AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
12AQI (US)
10AQI (US)
18AQI (US)
14AQI (US)
14AQI (US)
17AQI (US)
22AQI (US)
32AQI (US)
49AQI (US)
53AQI (US)
40AQI (US)
49AQI (US)
46AQI (US)
32AQI (US)
33AQI (US)
42AQI (US)
56AQI (US)
42AQI (US)
44AQI (US)
43AQI (US)
44AQI (US)
40AQI (US)
50AQI (US)
42AQI (US)
38AQI (US)
42AQI (US)
46AQI (US)
39AQI (US)
32AQI (US)
29AQI (US)
37AQI (US)
41AQI (US)
45AQI (US)
41AQI (US)
41AQI (US)
40AQI (US)
34AQI (US)
35AQI (US)
35AQI (US)
36AQI (US)
37AQI (US)
36AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
39AQI (US)
55AQI (US)
32AQI (US)
39AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
40AQI (US)
32AQI (US)
32AQI (US)
41AQI (US)
37AQI (US)
37AQI (US)
35AQI (US)
26AQI (US)
37AQI (US)
34AQI (US)
27AQI (US)
38AQI (US)
39AQI (US)
33AQI (US)
32AQI (US)
39AQI (US)
28AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
27AQI (US)
30AQI (US)
29AQI (US)
31AQI (US)
27AQI (US)
29AQI (US)
22AQI (US)
32AQI (US)
28AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
33AQI (US)
28AQI (US)
18AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
34AQI (US)
18AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
19AQI (US)
33AQI (US)
37AQI (US)
28AQI (US)
23AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
34AQI (US)
48AQI (US)
45AQI (US)
54AQI (US)
51AQI (US)
50AQI (US)
43AQI (US)
41AQI (US)
40AQI (US)
41AQI (US)
40AQI (US)
28AQI (US)
21AQI (US)
16AQI (US)
21AQI (US)
24AQI (US)
26AQI (US)
30AQI (US)
19AQI (US)
22AQI (US)
31AQI (US)
38AQI (US)
34AQI (US)
26AQI (US)
32AQI (US)
24AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
February38AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
June52AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Elgin's annual 2026 AQI (US) (32) shows an average percentage change of -20% (improved AQI (US)) compared to previous years: 2025 (40).