Bend, Oregon, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Bend, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 44 of Good air quality on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Bend, Oregon, United States
6 AM2nd Oct 2026
7 PM
5 AM3rd Oct 2026
50AQI
24AQI
68AQI
21AQI
In the last 24 hours,
Bend's AQI reached its highest point of 68 at 11 PM during the Night, while the lowest point, 21, was recorded at 9 PM during the Night between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Bend, Oregon, United States
10°C4/16°C
12°C3/19°C
11°C7/15°C
13°C5/23°C
16°C6/28°C
20°C7/32°C
21°C13/32°C
17°C10/25°C
13°C6/23°C
9°C6/14°C
12°C5/21°C
13°C8/20°C
13°C8/19°C
12°C9/16°C
15°C9/23°C
17°C10/24°C
19°C12/27°C
19°C14/26°C
16°C11/23°C
14°C8/21°C
17°C10/26°C
11°C7/16°C
10°C5/16°C
10°C6/15°C
12°C5/20°C
14°C8/22°C
15°C9/22°C
16°C8/25°C
17°C7/28°C
17°C9/27°C
48AQI
35AQI
47AQI
37AQI
2026 Days Vs Air Quality
Bend, Oregon, United States
79%
217
21%
56
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Bend, Oregon, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI (US)
16AQI (US)
15AQI (US)
10AQI (US)
19AQI (US)
18AQI (US)
13AQI (US)
23AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
36AQI (US)
37AQI (US)
29AQI (US)
38AQI (US)
51AQI (US)
53AQI (US)
47AQI (US)
46AQI (US)
46AQI (US)
44AQI (US)
45AQI (US)
52AQI (US)
50AQI (US)
43AQI (US)
44AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
41AQI (US)
42AQI (US)
48AQI (US)
45AQI (US)
45AQI (US)
46AQI (US)
48AQI (US)
54AQI (US)
51AQI (US)
40AQI (US)
44AQI (US)
46AQI (US)
43AQI (US)
43AQI (US)
43AQI (US)
37AQI (US)
39AQI (US)
42AQI (US)
46AQI (US)
42AQI (US)
37AQI (US)
36AQI (US)
38AQI (US)
42AQI (US)
57AQI (US)
47AQI (US)
46AQI (US)
41AQI (US)
37AQI (US)
41AQI (US)
42AQI (US)
39AQI (US)
33AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
35AQI (US)
40AQI (US)
34AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
34AQI (US)
35AQI (US)
38AQI (US)
37AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
28AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
32AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
30AQI (US)
34AQI (US)
37AQI (US)
33AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
34AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
22AQI (US)
29AQI (US)
33AQI (US)
31AQI (US)
28AQI (US)
27AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
24AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
37AQI (US)
33AQI (US)
31AQI (US)
31AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
28AQI (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)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
57AQI (US)
56AQI (US)
63AQI (US)
67AQI (US)
69AQI (US)
70AQI (US)
67AQI (US)
56AQI (US)
58AQI (US)
59AQI (US)
64AQI (US)
64AQI (US)
59AQI (US)
63AQI (US)
58AQI (US)
58AQI (US)
52AQI (US)
57AQI (US)
70AQI (US)
70AQI (US)
67AQI (US)
62AQI (US)
57AQI (US)
67AQI (US)
68AQI (US)
65AQI (US)
60AQI (US)
65AQI (US)
62AQI (US)
58AQI (US)
54AQI (US)
61AQI (US)
59AQI (US)
66AQI (US)
62AQI (US)
65AQI (US)
57AQI (US)
46AQI (US)
50AQI (US)
54AQI (US)
61AQI (US)
63AQI (US)
66AQI (US)
58AQI (US)
58AQI (US)
62AQI (US)
59AQI (US)
47AQI (US)
58AQI (US)
37AQI (US)
39AQI (US)
50AQI (US)
36AQI (US)
36AQI (US)
48AQI (US)
48AQI (US)
47AQI (US)
53AQI (US)
30AQI (US)
24AQI (US)
44AQI (US)
42AQI (US)
43AQI (US)
47AQI (US)
48AQI (US)
47AQI (US)
45AQI (US)
56AQI (US)
44AQI (US)
59AQI (US)
39AQI (US)
29AQI (US)
34AQI (US)
50AQI (US)
52AQI (US)
43AQI (US)
49AQI (US)
44AQI (US)
44AQI (US)
33AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
45AQI (US)
61AQI (US)
44AQI (US)
46AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
August61AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202525AQI (US)
Highest AQI (US) recorded in
September37AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
September57AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
August93AQI (US)
Lowest AQI (US) recorded in
April10AQI (US)
202225AQI (US)
Highest AQI (US) recorded in
September63AQI (US)
Lowest AQI (US) recorded in
May11AQI (US)
202129AQI (US)
Highest AQI (US) recorded in
August73AQI (US)
Lowest AQI (US) recorded in
October15AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
September132AQI (US)
Lowest AQI (US) recorded in
May11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Bend's annual 2026 AQI (US) (39) shows an average percentage change of 35.8% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (29), 2022 (25), 2023 (29), 2024 (31), 2025 (25).