Weiser, 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
Weiser, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Weiser, Idaho, United States
6 AM1st Aug 2025
9 PM
5 AM2nd Aug 2025
50AQI
28AQI
46AQI
35AQI
In the last 24 hours,
Weiser's AQI reached its highest point of 50 at 9 PM during the Day, while the lowest point, 28, was recorded at 8 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Weiser, Idaho, United States
21°C14/27°C
14°C11/15°C
14°C8/20°C
17°C10/24°C
20°C13/27°C
23°C15/30°C
22°C16/29°C
18°C13/23°C
19°C12/26°C
21°C14/27°C
23°C15/29°C
23°C16/29°C
20°C14/25°C
19°C12/25°C
21°C14/26°C
21°C14/28°C
19°C14/24°C
18°C12/22°C
15°C12/16°C
16°C10/22°C
18°C11/24°C
20°C12/26°C
21°C14/27°C
21°C14/27°C
20°C13/26°C
22°C14/28°C
22°C15/30°C
22°C13/30°C
20°C15/29°C
18°C13/23°C
--°C/°C
33AQI
27AQI
29AQI
27AQI
2025 Days Vs Air Quality
Weiser, Idaho, United States
96%
204
4%
9
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 214 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
Weiser, Idaho, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
42AQI
50AQI
42AQI
32AQI
38AQI
39AQI
31AQI
40AQI
46AQI
45AQI
29AQI
29AQI
29AQI
43AQI
53AQI
55AQI
70AQI
48AQI
45AQI
39AQI
49AQI
61AQI
50AQI
50AQI
38AQI
38AQI
57AQI
62AQI
59AQI
67AQI
57AQI
28AQI
32AQI
30AQI
32AQI
28AQI
27AQI
27AQI
40AQI
35AQI
34AQI
40AQI
39AQI
42AQI
27AQI
19AQI
20AQI
30AQI
19AQI
25AQI
25AQI
23AQI
24AQI
22AQI
17AQI
15AQI
19AQI
30AQI
28AQI
34AQI
31AQI
21AQI
19AQI
24AQI
20AQI
16AQI
21AQI
24AQI
18AQI
26AQI
23AQI
20AQI
18AQI
18AQI
19AQI
21AQI
21AQI
23AQI
21AQI
20AQI
18AQI
25AQI
21AQI
22AQI
28AQI
32AQI
26AQI
22AQI
28AQI
24AQI
21AQI
30AQI
30AQI
24AQI
28AQI
33AQI
31AQI
29AQI
30AQI
42AQI
37AQI
25AQI
28AQI
26AQI
31AQI
32AQI
22AQI
21AQI
24AQI
27AQI
21AQI
23AQI
24AQI
29AQI
30AQI
25AQI
22AQI
28AQI
22AQI
25AQI
23AQI
28AQI
29AQI
18AQI
18AQI
15AQI
19AQI
21AQI
27AQI
27AQI
21AQI
19AQI
17AQI
18AQI
21AQI
22AQI
24AQI
22AQI
25AQI
16AQI
17AQI
18AQI
19AQI
24AQI
26AQI
25AQI
24AQI
23AQI
26AQI
17AQI
22AQI
26AQI
16AQI
18AQI
20AQI
22AQI
25AQI
29AQI
28AQI
28AQI
29AQI
30AQI
25AQI
28AQI
24AQI
26AQI
26AQI
26AQI
28AQI
25AQI
22AQI
20AQI
20AQI
24AQI
27AQI
31AQI
33AQI
25AQI
23AQI
22AQI
20AQI
27AQI
29AQI
28AQI
24AQI
34AQI
28AQI
26AQI
27AQI
29AQI
22AQI
21AQI
26AQI
31AQI
27AQI
27AQI
30AQI
35AQI
41AQI
38AQI
33AQI
26AQI
21AQI
27AQI
31AQI
34AQI
26AQI
27AQI
27AQI
30AQI
24AQI
35AQI
35AQI
46AQI
28AQI
23AQI
27AQI
22AQI
25AQI
29AQI
35AQI
No. of days
202529AQI
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
May22AQI
202433AQI
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
May20AQI
202330AQI
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
June17AQI
202234AQI
Highest AQI recorded in
September62AQI
Lowest AQI recorded in
May12AQI
202137AQI
Highest AQI recorded in
July71AQI
Lowest AQI recorded in
May15AQI
202039AQI
Highest AQI recorded in
September64AQI
Lowest AQI recorded in
May20AQI
Most & Least Polluted Years Over the Last 6 Years
Weiser's annual 2025 AQI (29) shows an average percentage change of -16.8% (improved AQI) compared to previous years: 2020 (39), 2021 (37), 2022 (34), 2023 (30), 2024 (33).