For St, Granite Falls, Washington, 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
For St, Granite Falls, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Day & Night AQI Trend: 12th Aug - 13th Aug 2026
For St, Granite Falls, Washington, United States
5 AM12th Aug 2026
8 PM
4 AM13th Aug 2026
54AQI
21AQI
69AQI
51AQI
In the last 24 hours,
For St's AQI reached its highest point of 69 at 1 AM during the Night, while the lowest point, 21, was recorded at 3 PM during the Day between 12th Aug and 13th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
For St, Granite Falls, Washington, United States
22°C16/29°C
19°C16/25°C
18°C15/22°C
18°C13/23°C
19°C12/25°C
24°C16/31°C
27°C20/34°C
28°C22/35°C
23°C18/26°C
21°C14/27°C
19°C15/22°C
19°C15/24°C
20°C15/26°C
19°C16/22°C
18°C13/25°C
19°C12/25°C
21°C14/29°C
17°C14/20°C
16°C13/19°C
18°C11/26°C
22°C15/28°C
23°C17/31°C
23°C17/30°C
23°C17/29°C
21°C15/27°C
19°C12/26°C
18°C12/24°C
19°C12/25°C
20°C14/25°C
21°C15/27°C
59AQI
46AQI
56AQI
47AQI
2026 Days Vs Air Quality
For St, Granite Falls, Washington, United States
92%
205
7%
16
0.4%
1
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 225 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
For St, Granite Falls, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
86AQI (US)
69AQI (US)
28AQI (US)
18AQI (US)
23AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
28AQI (US)
41AQI (US)
29AQI (US)
24AQI (US)
22AQI (US)
28AQI (US)
24AQI (US)
19AQI (US)
44AQI (US)
46AQI (US)
42AQI (US)
47AQI (US)
38AQI (US)
37AQI (US)
42AQI (US)
43AQI (US)
41AQI (US)
34AQI (US)
26AQI (US)
38AQI (US)
48AQI (US)
48AQI (US)
38AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
40AQI (US)
46AQI (US)
26AQI (US)
26AQI (US)
33AQI (US)
44AQI (US)
42AQI (US)
28AQI (US)
19AQI (US)
29AQI (US)
43AQI (US)
34AQI (US)
31AQI (US)
36AQI (US)
35AQI (US)
40AQI (US)
21AQI (US)
30AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
40AQI (US)
29AQI (US)
47AQI (US)
34AQI (US)
25AQI (US)
42AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
39AQI (US)
31AQI (US)
38AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
41AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
30AQI (US)
23AQI (US)
25AQI (US)
16AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
24AQI (US)
30AQI (US)
21AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
17AQI (US)
22AQI (US)
23AQI (US)
17AQI (US)
28AQI (US)
32AQI (US)
28AQI (US)
27AQI (US)
18AQI (US)
18AQI (US)
14AQI (US)
15AQI (US)
19AQI (US)
18AQI (US)
17AQI (US)
26AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
23AQI (US)
19AQI (US)
18AQI (US)
20AQI (US)
30AQI (US)
27AQI (US)
18AQI (US)
16AQI (US)
22AQI (US)
21AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
42AQI (US)
51AQI (US)
55AQI (US)
47AQI (US)
42AQI (US)
44AQI (US)
35AQI (US)
39AQI (US)
39AQI (US)
38AQI (US)
41AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
16AQI (US)
20AQI (US)
23AQI (US)
17AQI (US)
19AQI (US)
17AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
21AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
20AQI (US)
20AQI (US)
18AQI (US)
22AQI (US)
17AQI (US)
19AQI (US)
14AQI (US)
15AQI (US)
12AQI (US)
15AQI (US)
16AQI (US)
16AQI (US)
20AQI (US)
34AQI (US)
29AQI (US)
27AQI (US)
18AQI (US)
21AQI (US)
14AQI (US)
21AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
32AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
22AQI (US)
17AQI (US)
36AQI (US)
46AQI (US)
35AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
54AQI (US)
43AQI (US)
45AQI (US)
44AQI (US)
51AQI (US)
52AQI (US)
39AQI (US)
47AQI (US)
41AQI (US)
48AQI (US)
45AQI (US)
46AQI (US)
87AQI (US)
126AQI (US)
89AQI (US)
65AQI (US)
51AQI (US)
63AQI (US)
55AQI (US)
46AQI (US)
41AQI (US)
55AQI (US)
36AQI (US)
35AQI (US)
31AQI (US)
21AQI (US)
29AQI (US)
21AQI (US)
35AQI (US)
63AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
January45AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202420AQI (US)
Highest AQI (US) recorded in
January32AQI (US)
Lowest AQI (US) recorded in
June11AQI (US)
202319AQI (US)
Highest AQI (US) recorded in
November36AQI (US)
Lowest AQI (US) recorded in
April10AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
October94AQI (US)
Lowest AQI (US) recorded in
June13AQI (US)
202124AQI (US)
Highest AQI (US) recorded in
December43AQI (US)
Lowest AQI (US) recorded in
September13AQI (US)
202026AQI (US)
Highest AQI (US) recorded in
September62AQI (US)
Lowest AQI (US) recorded in
June12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
For St's annual 2026 AQI (US) (32) shows an average percentage change of 29.09% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (24), 2022 (37), 2023 (19), 2024 (20), 2025 (31).