Florence, Oregon, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Florence, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 23 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Florence, Oregon, United States
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
35AQI
30AQI
36AQI
29AQI
In the last 24 hours,
Florence's AQI reached its highest point of 36 at 10 PM during the Night, while the lowest point, 29, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Florence, Oregon, United States
16°C11/21°C
16°C12/20°C
12°C12/14°C
14°C12/17°C
16°C13/19°C
16°C13/19°C
16°C13/22°C
16°C13/20°C
15°C12/18°C
14°C12/19°C
14°C11/18°C
14°C12/16°C
14°C12/17°C
15°C12/18°C
14°C11/18°C
14°C13/17°C
15°C12/19°C
15°C13/19°C
15°C14/17°C
15°C13/17°C
15°C12/18°C
14°C12/19°C
16°C12/21°C
14°C12/18°C
16°C14/18°C
16°C14/18°C
16°C14/19°C
16°C14/19°C
15°C12/18°C
15°C13/18°C
--°C/°C
32AQI
32AQI
31AQI
31AQI
2025 Days Vs Air Quality
Florence, Oregon, United States
100%
216
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 217 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
Florence, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
26AQI
22AQI
20AQI
21AQI
22AQI
22AQI
28AQI
31AQI
28AQI
24AQI
24AQI
26AQI
28AQI
29AQI
30AQI
34AQI
32AQI
38AQI
36AQI
35AQI
40AQI
40AQI
43AQI
33AQI
35AQI
40AQI
43AQI
48AQI
45AQI
30AQI
24AQI
24AQI
24AQI
26AQI
23AQI
28AQI
28AQI
28AQI
26AQI
26AQI
32AQI
31AQI
32AQI
26AQI
26AQI
27AQI
28AQI
28AQI
27AQI
25AQI
24AQI
29AQI
23AQI
28AQI
33AQI
30AQI
33AQI
39AQI
40AQI
32AQI
29AQI
27AQI
32AQI
22AQI
23AQI
25AQI
21AQI
27AQI
32AQI
27AQI
25AQI
25AQI
24AQI
24AQI
25AQI
20AQI
23AQI
22AQI
22AQI
22AQI
24AQI
23AQI
33AQI
32AQI
22AQI
21AQI
19AQI
23AQI
18AQI
19AQI
18AQI
20AQI
19AQI
20AQI
17AQI
15AQI
15AQI
15AQI
17AQI
17AQI
19AQI
20AQI
24AQI
24AQI
26AQI
24AQI
24AQI
24AQI
19AQI
17AQI
16AQI
20AQI
23AQI
20AQI
23AQI
19AQI
16AQI
15AQI
18AQI
22AQI
22AQI
16AQI
16AQI
18AQI
22AQI
20AQI
19AQI
20AQI
18AQI
16AQI
15AQI
19AQI
21AQI
20AQI
19AQI
15AQI
17AQI
17AQI
15AQI
15AQI
17AQI
15AQI
17AQI
16AQI
15AQI
17AQI
20AQI
15AQI
20AQI
19AQI
17AQI
22AQI
23AQI
16AQI
18AQI
21AQI
21AQI
20AQI
28AQI
31AQI
30AQI
27AQI
21AQI
20AQI
21AQI
19AQI
18AQI
16AQI
17AQI
20AQI
16AQI
16AQI
19AQI
24AQI
23AQI
17AQI
15AQI
15AQI
23AQI
25AQI
23AQI
18AQI
16AQI
17AQI
24AQI
24AQI
21AQI
20AQI
17AQI
16AQI
18AQI
19AQI
21AQI
18AQI
23AQI
31AQI
31AQI
27AQI
23AQI
22AQI
19AQI
19AQI
17AQI
16AQI
17AQI
16AQI
18AQI
19AQI
19AQI
18AQI
20AQI
20AQI
18AQI
21AQI
23AQI
32AQI
28AQI
25AQI
19AQI
18AQI
21AQI
20AQI
21AQI
No. of days
202523AQI
Highest AQI recorded in
January32AQI
Lowest AQI recorded in
May18AQI
202418AQI
Highest AQI recorded in
December31AQI
Lowest AQI recorded in
January9AQI
202317AQI
Highest AQI recorded in
September23AQI
Lowest AQI recorded in
December11AQI
202219AQI
Highest AQI recorded in
October28AQI
Lowest AQI recorded in
May13AQI
202116AQI
Highest AQI recorded in
August20AQI
Lowest AQI recorded in
December11AQI
202023AQI
Highest AQI recorded in
September63AQI
Lowest AQI recorded in
May14AQI
Most & Least Polluted Years Over the Last 6 Years
Florence's annual 2025 AQI (23) shows an average percentage change of 27.2% (worsened AQI) compared to previous years: 2020 (23), 2021 (16), 2022 (19), 2023 (17), 2024 (18).