Sandy, Oregon, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Sandy, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Sandy, Oregon, United States
6 AM27th Sep 2026
7 PM
5 AM28th Sep 2026
38AQI
16AQI
54AQI
19AQI
In the last 24 hours,
Sandy's AQI reached its highest point of 54 at 5 AM during the Night, while the lowest point, 16, was recorded at 3 PM during the Day between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Sandy, Oregon, United States
11°C3/18°C
17°C12/23°C
12°C8/15°C
8°C5/11°C
7°C4/11°C
7°C5/11°C
9°C5/13°C
8°C7/9°C
9°C6/13°C
12°C7/20°C
16°C11/23°C
14°C8/17°C
9°C5/14°C
9°C6/15°C
6°C4/8°C
9°C5/16°C
9°C5/15°C
12°C6/19°C
14°C8/23°C
12°C7/19°C
14°C7/23°C
17°C11/25°C
15°C7/22°C
9°C6/15°C
10°C5/17°C
13°C8/22°C
6°C4/10°C
7°C1/15°C
8°C4/15°C
9°C4/15°C
42AQI
33AQI
38AQI
31AQI
2026 Days Vs Air Quality
Sandy, Oregon, United States
96%
258
4%
10
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 271 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
Sandy, Oregon, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI (US)
40AQI (US)
36AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
16AQI (US)
13AQI (US)
16AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
21AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
43AQI (US)
44AQI (US)
42AQI (US)
41AQI (US)
41AQI (US)
40AQI (US)
43AQI (US)
45AQI (US)
37AQI (US)
40AQI (US)
40AQI (US)
42AQI (US)
42AQI (US)
43AQI (US)
41AQI (US)
37AQI (US)
37AQI (US)
39AQI (US)
40AQI (US)
41AQI (US)
42AQI (US)
44AQI (US)
49AQI (US)
45AQI (US)
37AQI (US)
39AQI (US)
40AQI (US)
39AQI (US)
39AQI (US)
40AQI (US)
34AQI (US)
34AQI (US)
37AQI (US)
40AQI (US)
36AQI (US)
33AQI (US)
31AQI (US)
34AQI (US)
35AQI (US)
43AQI (US)
44AQI (US)
41AQI (US)
42AQI (US)
35AQI (US)
35AQI (US)
36AQI (US)
38AQI (US)
32AQI (US)
36AQI (US)
37AQI (US)
34AQI (US)
34AQI (US)
35AQI (US)
35AQI (US)
32AQI (US)
30AQI (US)
30AQI (US)
34AQI (US)
33AQI (US)
35AQI (US)
38AQI (US)
39AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
33AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
34AQI (US)
37AQI (US)
36AQI (US)
34AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
32AQI (US)
46AQI (US)
36AQI (US)
33AQI (US)
48AQI (US)
50AQI (US)
32AQI (US)
40AQI (US)
49AQI (US)
43AQI (US)
37AQI (US)
34AQI (US)
30AQI (US)
37AQI (US)
39AQI (US)
46AQI (US)
34AQI (US)
41AQI (US)
58AQI (US)
59AQI (US)
59AQI (US)
52AQI (US)
45AQI (US)
31AQI (US)
34AQI (US)
33AQI (US)
29AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
39AQI (US)
43AQI (US)
41AQI (US)
46AQI (US)
50AQI (US)
46AQI (US)
44AQI (US)
47AQI (US)
38AQI (US)
46AQI (US)
50AQI (US)
52AQI (US)
56AQI (US)
54AQI (US)
53AQI (US)
46AQI (US)
44AQI (US)
42AQI (US)
43AQI (US)
34AQI (US)
31AQI (US)
38AQI (US)
28AQI (US)
33AQI (US)
37AQI (US)
39AQI (US)
39AQI (US)
40AQI (US)
29AQI (US)
24AQI (US)
36AQI (US)
30AQI (US)
32AQI (US)
35AQI (US)
35AQI (US)
34AQI (US)
36AQI (US)
43AQI (US)
39AQI (US)
43AQI (US)
36AQI (US)
24AQI (US)
28AQI (US)
42AQI (US)
32AQI (US)
39AQI (US)
35AQI (US)
29AQI (US)
29AQI (US)
26AQI (US)
34AQI (US)
46AQI (US)
36AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
November38AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202420AQI (US)
Highest AQI (US) recorded in
December27AQI (US)
Lowest AQI (US) recorded in
April4AQI (US)
202319AQI (US)
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
December10AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
August34AQI (US)
Lowest AQI (US) recorded in
October27AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
June54AQI (US)
Lowest AQI (US) recorded in
October12AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
September76AQI (US)
Lowest AQI (US) recorded in
July13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sandy's annual 2026 AQI (US) (34) shows an average percentage change of 36.7% (worsened AQI (US)) compared to previous years: 2020 (35), 2021 (25), 2022 (29), 2023 (19), 2024 (20), 2025 (28).