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!
March Air Quality Analysis
Granite Falls, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Mar - 7th Mar 2026
Granite Falls, Washington, United States
7 AM6th Mar 2026
5 PM
6 AM7th Mar 2026
40AQI
8AQI
38AQI
23AQI
In the last 24 hours,
Granite Falls's AQI reached its highest point of 40 at 5 PM during the Day, while the lowest point, 8, was recorded at 1 PM during the Day between 6th Mar and 7th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Granite Falls, Washington, United States
13°C10/16°C
9°C8/10°C
8°C5/12°C
6°C4/8°C
8°C4/13°C
7°C4/13°C
6°C3/11°C
6°C5/9°C
4°C-5/7°C
4°C1/9°C
3°C1/7°C
3°C0/8°C
1°C0/4°C
2°C0/4°C
1°C-3/5°C
6°C2/11°C
8°C6/11°C
6°C4/9°C
5°C2/10°C
4°C1/8°C
6°C4/8°C
7°C5/9°C
7°C3/13°C
8°C3/15°C
9°C4/15°C
8°C7/11°C
8°C7/10°C
7°C5/9°C
7°C5/9°C
10°C8/11°C
47AQI
31AQI
34AQI
26AQI
2026 Days Vs Air Quality
Granite Falls, Washington, United States
97%
64
3%
2
Total number of days with different AQI categories in last 67 days in 2026 (298 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 67 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
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)
43AQI (US)
36AQI (US)
35AQI (US)
35AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
January36AQI (US)
Lowest AQI (US) recorded in
February35AQI (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)
202123AQI (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
Granite Falls's annual 2026 AQI (US) (35) shows an average percentage change of 41.8% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (23), 2022 (37), 2023 (19), 2024 (20), 2025 (31).