Sauvie Island, Ridgefield, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Sauvie Island, Ridgefield, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Sauvie Island, Ridgefield, Washington, United States
7 AM16th Feb 2026
5 PM
6 AM17th Feb 2026
72AQI
44AQI
50AQI
30AQI
In the last 24 hours,
Sauvie Island's AQI reached its highest point of 72 at 11 AM during the Day, while the lowest point, 30, was recorded at 3 AM during the Night between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Sauvie Island, Ridgefield, Washington, United States
4°C0/11°C
3°C-2/9°C
3°C-2/9°C
1°C-3/6°C
4°C0/11°C
2°C-2/9°C
1°C-4/7°C
3°C-2/9°C
4°C-1/10°C
5°C3/8°C
8°C5/12°C
8°C6/10°C
10°C7/14°C
9°C7/13°C
8°C5/11°C
9°C6/14°C
9°C6/16°C
9°C3/16°C
7°C1/14°C
8°C3/13°C
9°C6/11°C
7°C5/11°C
7°C3/14°C
7°C2/14°C
5°C1/12°C
7°C3/10°C
6°C4/9°C
7°C5/10°C
5°C2/7°C
3°C1/7°C
54AQI
44AQI
48AQI
38AQI
2026 Days Vs Air Quality
Sauvie Island, Ridgefield, Washington, United States
94%
45
6%
3
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 49 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
Sauvie Island, Ridgefield, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
21AQI (US)
22AQI (US)
11AQI (US)
21AQI (US)
24AQI (US)
9AQI (US)
14AQI (US)
14AQI (US)
25AQI (US)
31AQI (US)
23AQI (US)
35AQI (US)
26AQI (US)
27AQI (US)
18AQI (US)
19AQI (US)
22AQI (US)
18AQI (US)
25AQI (US)
26AQI (US)
49AQI (US)
54AQI (US)
48AQI (US)
47AQI (US)
47AQI (US)
45AQI (US)
47AQI (US)
52AQI (US)
48AQI (US)
45AQI (US)
49AQI (US)
50AQI (US)
49AQI (US)
48AQI (US)
48AQI (US)
41AQI (US)
42AQI (US)
46AQI (US)
46AQI (US)
48AQI (US)
47AQI (US)
47AQI (US)
54AQI (US)
50AQI (US)
41AQI (US)
45AQI (US)
47AQI (US)
31AQI (US)
47AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February47AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202525AQI (US)
Highest AQI (US) recorded in
October36AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202422AQI (US)
Highest AQI (US) recorded in
November28AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202324AQI (US)
Highest AQI (US) recorded in
August35AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
October56AQI (US)
Lowest AQI (US) recorded in
April18AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
August27AQI (US)
Lowest AQI (US) recorded in
February18AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
September85AQI (US)
Lowest AQI (US) recorded in
March12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sauvie Island's annual 2026 AQI (US) (36) shows an average percentage change of 45.3% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (23), 2022 (29), 2023 (24), 2024 (22), 2025 (25).