Rexburg, Idaho, 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
Rexburg, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Rexburg, Idaho, United States
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
26AQI
19AQI
31AQI
22AQI
In the last 24 hours,
Rexburg's AQI reached its highest point of 31 at 2 AM during the Night, while the lowest point, 19, was recorded at 10 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Rexburg, Idaho, United States
16°C9/22°C
18°C10/24°C
18°C13/24°C
15°C11/24°C
14°C10/20°C
16°C9/20°C
16°C10/24°C
16°C10/21°C
16°C10/22°C
18°C10/22°C
16°C12/18°C
15°C10/20°C
16°C8/20°C
16°C10/21°C
18°C10/24°C
17°C10/22°C
18°C9/25°C
17°C11/26°C
17°C10/25°C
16°C9/25°C
16°C9/21°C
15°C9/21°C
15°C9/21°C
17°C11/25°C
14°C9/17°C
17°C10/24°C
17°C11/21°C
11°C6/15°C
12°C5/17°C
14°C7/20°C
--°C/°C
26AQI
26AQI
26AQI
26AQI
2025 Days Vs Air Quality
Rexburg, Idaho, United States
100%
222
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 223 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
Rexburg, Idaho, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
42AQI
41AQI
40AQI
39AQI
40AQI
37AQI
36AQI
35AQI
40AQI
34AQI
35AQI
49AQI
40AQI
37AQI
36AQI
38AQI
35AQI
35AQI
35AQI
38AQI
36AQI
37AQI
36AQI
36AQI
36AQI
39AQI
40AQI
42AQI
41AQI
40AQI
37AQI
37AQI
36AQI
44AQI
37AQI
36AQI
35AQI
36AQI
35AQI
36AQI
38AQI
36AQI
26AQI
23AQI
21AQI
21AQI
20AQI
19AQI
21AQI
22AQI
22AQI
22AQI
20AQI
21AQI
19AQI
20AQI
20AQI
21AQI
23AQI
20AQI
24AQI
19AQI
19AQI
17AQI
17AQI
19AQI
18AQI
19AQI
19AQI
19AQI
26AQI
28AQI
28AQI
28AQI
46AQI
27AQI
30AQI
28AQI
28AQI
27AQI
30AQI
29AQI
30AQI
30AQI
30AQI
47AQI
34AQI
30AQI
30AQI
27AQI
28AQI
28AQI
27AQI
26AQI
28AQI
29AQI
29AQI
36AQI
38AQI
41AQI
32AQI
31AQI
29AQI
29AQI
32AQI
28AQI
23AQI
25AQI
27AQI
27AQI
29AQI
28AQI
28AQI
27AQI
29AQI
29AQI
28AQI
29AQI
26AQI
27AQI
29AQI
30AQI
29AQI
25AQI
24AQI
26AQI
28AQI
29AQI
30AQI
28AQI
33AQI
34AQI
27AQI
25AQI
27AQI
26AQI
25AQI
26AQI
25AQI
26AQI
28AQI
19AQI
27AQI
21AQI
26AQI
23AQI
22AQI
24AQI
30AQI
29AQI
33AQI
29AQI
26AQI
26AQI
29AQI
32AQI
32AQI
33AQI
35AQI
36AQI
33AQI
31AQI
33AQI
34AQI
36AQI
33AQI
29AQI
31AQI
32AQI
34AQI
38AQI
37AQI
30AQI
31AQI
35AQI
34AQI
35AQI
34AQI
30AQI
31AQI
34AQI
37AQI
37AQI
31AQI
38AQI
33AQI
33AQI
34AQI
34AQI
34AQI
36AQI
34AQI
33AQI
28AQI
22AQI
25AQI
29AQI
40AQI
30AQI
23AQI
23AQI
20AQI
19AQI
22AQI
26AQI
24AQI
27AQI
24AQI
25AQI
23AQI
29AQI
31AQI
24AQI
21AQI
27AQI
30AQI
28AQI
26AQI
20AQI
19AQI
22AQI
38AQI
28AQI
26AQI
29AQI
27AQI
32AQI
29AQI
25AQI
No. of days
202530AQI
Highest AQI recorded in
January38AQI
Lowest AQI recorded in
August25AQI
202422AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January8AQI
202315AQI
Highest AQI recorded in
May25AQI
Lowest AQI recorded in
December7AQI
202216AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
December9AQI
202122AQI
Highest AQI recorded in
August67AQI
Lowest AQI recorded in
January8AQI
202019AQI
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
April6AQI
Most & Least Polluted Years Over the Last 6 Years
Rexburg's annual 2025 AQI (30) shows an average percentage change of 62.4% (worsened AQI) compared to previous years: 2020 (19), 2021 (22), 2022 (16), 2023 (15), 2024 (22).