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 (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Bend, Oregon, United States
6 AM1st Oct 2026
7 PM
5 AM2nd Oct 2026
54AQI
21AQI
67AQI
36AQI
In the last 24 hours,
Bend's AQI reached its highest point of 67 at 7 PM during the Night, while the lowest point, 21, was recorded at 5 PM during the Day between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Bend, Oregon, United States
11°C6/16°C
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
48AQI
37AQI
48AQI
37AQI
2026 Days Vs Air Quality
Bend, Oregon, United States
79%
216
21%
56
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 275 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)
33AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
45AQI (US)
61AQI (US)
44AQI (US)
47AQI (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).