Orofino, Lewiston, 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
Orofino, Lewiston, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Orofino, Lewiston, Idaho, United States
5 AM7th Aug 2025
8 PM
4 AM8th Aug 2025
29AQI
23AQI
21AQI
16AQI
In the last 24 hours,
Orofino's AQI reached its highest point of 29 at 2 PM during the Day, while the lowest point, 16, was recorded at 4 AM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Orofino, Lewiston, Idaho, United States
--°C/°C
21°C14/28°C
23°C15/30°C
24°C14/33°C
26°C17/35°C
26°C17/34°C
21°C13/27°C
21°C13/29°C
24°C17/32°C
24°C14/33°C
22°C17/29°C
20°C15/27°C
19°C16/22°C
18°C10/26°C
22°C13/29°C
24°C15/32°C
24°C15/32°C
23°C16/31°C
23°C14/31°C
24°C16/33°C
26°C16/35°C
28°C19/35°C
28°C20/36°C
22°C16/29°C
23°C15/31°C
23°C14/31°C
20°C14/28°C
21°C12/29°C
21°C14/28°C
18°C12/23°C
18°C10/25°C
37AQI
27AQI
27AQI
27AQI
2025 Days Vs Air Quality
Orofino, Lewiston, Idaho, United States
97%
213
3%
6
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 221 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
Orofino, Lewiston, Idaho, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
49AQI
25AQI
24AQI
24AQI
22AQI
25AQI
30AQI
26AQI
27AQI
21AQI
23AQI
30AQI
35AQI
44AQI
27AQI
27AQI
27AQI
30AQI
29AQI
30AQI
52AQI
55AQI
47AQI
44AQI
44AQI
47AQI
54AQI
61AQI
62AQI
50AQI
24AQI
42AQI
35AQI
32AQI
25AQI
52AQI
39AQI
33AQI
41AQI
32AQI
30AQI
33AQI
27AQI
32AQI
45AQI
32AQI
47AQI
29AQI
27AQI
31AQI
28AQI
26AQI
21AQI
18AQI
23AQI
22AQI
22AQI
27AQI
27AQI
28AQI
31AQI
22AQI
21AQI
23AQI
27AQI
32AQI
27AQI
19AQI
19AQI
20AQI
20AQI
20AQI
20AQI
15AQI
18AQI
21AQI
20AQI
18AQI
19AQI
18AQI
20AQI
19AQI
23AQI
23AQI
20AQI
22AQI
19AQI
26AQI
17AQI
20AQI
21AQI
21AQI
24AQI
24AQI
25AQI
20AQI
16AQI
16AQI
23AQI
18AQI
21AQI
20AQI
25AQI
30AQI
28AQI
19AQI
22AQI
27AQI
27AQI
16AQI
20AQI
23AQI
27AQI
26AQI
28AQI
34AQI
26AQI
21AQI
20AQI
24AQI
26AQI
25AQI
16AQI
18AQI
21AQI
20AQI
18AQI
25AQI
26AQI
20AQI
18AQI
16AQI
19AQI
21AQI
17AQI
14AQI
13AQI
16AQI
13AQI
13AQI
19AQI
19AQI
20AQI
21AQI
23AQI
22AQI
20AQI
22AQI
19AQI
25AQI
26AQI
20AQI
22AQI
20AQI
24AQI
27AQI
27AQI
32AQI
33AQI
34AQI
31AQI
34AQI
26AQI
22AQI
22AQI
24AQI
26AQI
24AQI
21AQI
22AQI
19AQI
17AQI
23AQI
35AQI
33AQI
22AQI
18AQI
16AQI
17AQI
19AQI
24AQI
23AQI
24AQI
21AQI
28AQI
23AQI
23AQI
26AQI
25AQI
18AQI
21AQI
26AQI
25AQI
26AQI
28AQI
34AQI
37AQI
34AQI
29AQI
30AQI
33AQI
31AQI
32AQI
33AQI
27AQI
20AQI
20AQI
21AQI
24AQI
33AQI
35AQI
39AQI
40AQI
37AQI
35AQI
32AQI
30AQI
24AQI
37AQI
31AQI
22AQI
23AQI
20AQI
25AQI
27AQI
34AQI
No. of days
202526AQI
Highest AQI recorded in
January37AQI
Lowest AQI recorded in
May20AQI
202435AQI
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
March13AQI
202329AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
December14AQI
202253AQI
Highest AQI recorded in
September75AQI
Lowest AQI recorded in
July27AQI
202154AQI
Highest AQI recorded in
July87AQI
Lowest AQI recorded in
October26AQI
202080AQI
Highest AQI recorded in
September90AQI
Lowest AQI recorded in
August30AQI
Most & Least Polluted Years Over the Last 6 Years
Orofino's annual 2025 AQI (26) shows an average percentage change of -40.2% (improved AQI) compared to previous years: 2020 (80), 2021 (54), 2022 (53), 2023 (29), 2024 (35).