Roseway, Portland, 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
Roseway, Portland, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Oct - 13th Oct 2025
Roseway, Portland, Oregon, United States
7 AM12th Oct 2025
6 PM
6 AM13th Oct 2025
43AQI
13AQI
53AQI
14AQI
In the last 24 hours,
Roseway's AQI reached its highest point of 53 at 11 PM during the Night, while the lowest point, 13, was recorded at 5 PM during the Day between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Roseway, Portland, Oregon, United States
--°C/°C
18°C15/21°C
18°C12/26°C
25°C18/34°C
22°C17/27°C
19°C15/25°C
21°C13/31°C
21°C15/30°C
16°C13/20°C
16°C10/25°C
20°C12/30°C
20°C14/28°C
16°C12/23°C
15°C9/24°C
18°C11/27°C
18°C11/26°C
16°C13/20°C
15°C11/21°C
15°C12/18°C
14°C11/20°C
14°C11/21°C
15°C13/20°C
15°C12/22°C
15°C9/22°C
17°C11/27°C
13°C10/17°C
13°C9/18°C
13°C11/19°C
11°C10/14°C
11°C9/13°C
9°C5/16°C
35AQI
27AQI
36AQI
26AQI
2025 Days Vs Air Quality
Roseway, Portland, Oregon, United States
97%
194
3%
7
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 287 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
Roseway, Portland, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
16AQI
16AQI
16AQI
22AQI
16AQI
24AQI
17AQI
25AQI
29AQI
18AQI
33AQI
16AQI
14AQI
16AQI
19AQI
17AQI
16AQI
20AQI
20AQI
23AQI
22AQI
22AQI
23AQI
21AQI
18AQI
15AQI
16AQI
21AQI
28AQI
34AQI
26AQI
23AQI
15AQI
17AQI
19AQI
28AQI
22AQI
14AQI
16AQI
18AQI
22AQI
20AQI
19AQI
23AQI
22AQI
15AQI
19AQI
18AQI
19AQI
19AQI
22AQI
20AQI
15AQI
18AQI
12AQI
14AQI
20AQI
17AQI
20AQI
19AQI
15AQI
17AQI
20AQI
16AQI
19AQI
18AQI
16AQI
20AQI
22AQI
16AQI
17AQI
20AQI
20AQI
29AQI
31AQI
28AQI
32AQI
27AQI
20AQI
19AQI
23AQI
23AQI
19AQI
15AQI
16AQI
16AQI
17AQI
17AQI
24AQI
33AQI
33AQI
19AQI
16AQI
14AQI
20AQI
22AQI
20AQI
15AQI
14AQI
16AQI
24AQI
17AQI
18AQI
21AQI
15AQI
14AQI
19AQI
17AQI
20AQI
15AQI
20AQI
23AQI
30AQI
29AQI
21AQI
21AQI
22AQI
25AQI
22AQI
21AQI
17AQI
18AQI
24AQI
23AQI
19AQI
23AQI
22AQI
18AQI
17AQI
20AQI
27AQI
39AQI
21AQI
17AQI
18AQI
21AQI
27AQI
27AQI
32AQI
31AQI
16AQI
14AQI
13AQI
16AQI
17AQI
20AQI
19AQI
21AQI
27AQI
36AQI
51AQI
44AQI
54AQI
49AQI
44AQI
47AQI
43AQI
44AQI
31AQI
33AQI
57AQI
46AQI
54AQI
45AQI
35AQI
32AQI
26AQI
45AQI
52AQI
26AQI
48AQI
20AQI
24AQI
27AQI
30AQI
27AQI
30AQI
47AQI
26AQI
24AQI
37AQI
55AQI
25AQI
24AQI
24AQI
39AQI
30AQI
17AQI
17AQI
18AQI
47AQI
39AQI
36AQI
43AQI
40AQI
52AQI
40AQI
41AQI
32AQI
31AQI
17AQI
21AQI
19AQI
21AQI
20AQI
29AQI
35AQI
36AQI
No. of days
202525AQI
Highest AQI recorded in
October36AQI
Lowest AQI recorded in
March17AQI
Most & Least Polluted Years Over the Last 1 Years
Roseway's annual 2025 AQI (25) shows an average percentage change of NaN% (improved AQI) compared to previous years: .