Cedar Street, Forest Grove, 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
Cedar Street, Forest Grove, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 21 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Cedar Street, Forest Grove, Oregon, United States
6 AM2nd Oct 2025
7 PM
5 AM3rd Oct 2025
35AQI
15AQI
41AQI
12AQI
In the last 24 hours,
Cedar Street's AQI reached its highest point of 41 at 2 AM during the Night, while the lowest point, 12, was recorded at 8 PM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Cedar Street, Forest Grove, Oregon, United States
23°C17/32°C
24°C17/34°C
22°C16/29°C
18°C15/21°C
18°C14/22°C
18°C14/25°C
19°C15/24°C
18°C15/22°C
16°C13/20°C
16°C12/21°C
17°C12/24°C
16°C11/21°C
16°C10/25°C
22°C14/33°C
18°C13/24°C
17°C10/26°C
19°C12/30°C
18°C12/26°C
16°C11/22°C
17°C9/28°C
23°C16/33°C
23°C16/32°C
17°C11/25°C
16°C8/25°C
20°C12/30°C
18°C11/27°C
15°C11/18°C
13°C11/19°C
14°C11/21°C
13°C10/18°C
--°C/°C
29AQI
23AQI
29AQI
25AQI
2025 Days Vs Air Quality
Cedar Street, Forest Grove, Oregon, United States
100%
191
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 276 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
Cedar Street, Forest Grove, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
16AQI
16AQI
15AQI
18AQI
16AQI
17AQI
17AQI
18AQI
20AQI
22AQI
20AQI
15AQI
14AQI
16AQI
18AQI
16AQI
17AQI
19AQI
20AQI
21AQI
20AQI
20AQI
22AQI
20AQI
17AQI
14AQI
14AQI
16AQI
20AQI
23AQI
22AQI
17AQI
14AQI
15AQI
16AQI
20AQI
20AQI
13AQI
15AQI
15AQI
18AQI
19AQI
16AQI
18AQI
17AQI
14AQI
16AQI
15AQI
17AQI
17AQI
18AQI
15AQI
14AQI
16AQI
12AQI
13AQI
15AQI
14AQI
16AQI
14AQI
14AQI
15AQI
17AQI
14AQI
16AQI
16AQI
14AQI
15AQI
17AQI
15AQI
16AQI
17AQI
17AQI
21AQI
22AQI
20AQI
22AQI
21AQI
17AQI
17AQI
18AQI
18AQI
17AQI
15AQI
15AQI
15AQI
12AQI
13AQI
17AQI
23AQI
22AQI
15AQI
13AQI
13AQI
15AQI
18AQI
17AQI
14AQI
14AQI
16AQI
19AQI
16AQI
17AQI
18AQI
15AQI
14AQI
17AQI
17AQI
17AQI
15AQI
17AQI
19AQI
22AQI
21AQI
18AQI
17AQI
19AQI
18AQI
17AQI
16AQI
16AQI
15AQI
17AQI
18AQI
17AQI
17AQI
20AQI
17AQI
16AQI
19AQI
23AQI
24AQI
18AQI
16AQI
16AQI
18AQI
21AQI
23AQI
26AQI
23AQI
16AQI
14AQI
12AQI
15AQI
16AQI
18AQI
17AQI
19AQI
25AQI
28AQI
32AQI
34AQI
43AQI
30AQI
25AQI
26AQI
24AQI
28AQI
21AQI
25AQI
40AQI
38AQI
42AQI
33AQI
21AQI
21AQI
19AQI
26AQI
28AQI
20AQI
26AQI
19AQI
18AQI
21AQI
27AQI
27AQI
26AQI
31AQI
21AQI
18AQI
30AQI
48AQI
23AQI
23AQI
22AQI
27AQI
30AQI
19AQI
21AQI
21AQI
17AQI
18AQI
16AQI
17AQI
17AQI
22AQI
26AQI
21AQI
No. of days
202519AQI
Highest AQI recorded in
September26AQI
Lowest AQI recorded in
May16AQI
Most & Least Polluted Years Over the Last 1 Years
Cedar Street's annual 2025 AQI (19) shows an average percentage change of NaN% (improved AQI) compared to previous years: .