South End, Tacoma, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
South End, Tacoma, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (27th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Sep - 28th Sep 2025
South End, Tacoma, Washington, United States
6 AM27th Sep 2025
7 PM
5 AM28th Sep 2025
32AQI
17AQI
30AQI
18AQI
In the last 24 hours,
South End's AQI reached its highest point of 32 at 1 PM during the Day, while the lowest point, 17, was recorded at 7 AM during the Day between 27th Sep and 28th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
South End, Tacoma, Washington, United States
--°C/°C
19°C15/24°C
20°C15/24°C
20°C17/23°C
21°C16/29°C
24°C17/32°C
23°C17/30°C
22°C17/29°C
19°C16/24°C
18°C16/20°C
20°C17/24°C
19°C15/22°C
20°C16/23°C
18°C16/21°C
18°C15/23°C
19°C14/25°C
17°C14/21°C
17°C13/23°C
23°C14/33°C
22°C17/29°C
18°C14/23°C
19°C12/27°C
18°C14/24°C
16°C14/18°C
15°C10/23°C
16°C11/22°C
16°C11/23°C
14°C10/20°C
15°C9/23°C
17°C13/25°C
16°C11/26°C
34AQI
32AQI
37AQI
34AQI
2025 Days Vs Air Quality
South End, Tacoma, Washington, United States
98%
182
2%
4
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 272 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
South End, Tacoma, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
18AQI
17AQI
19AQI
26AQI
20AQI
22AQI
23AQI
22AQI
37AQI
31AQI
25AQI
16AQI
17AQI
20AQI
33AQI
18AQI
22AQI
20AQI
23AQI
21AQI
26AQI
27AQI
29AQI
26AQI
18AQI
19AQI
25AQI
29AQI
32AQI
41AQI
45AQI
32AQI
22AQI
18AQI
26AQI
32AQI
29AQI
15AQI
18AQI
21AQI
27AQI
19AQI
20AQI
24AQI
25AQI
20AQI
22AQI
25AQI
27AQI
25AQI
19AQI
17AQI
14AQI
20AQI
14AQI
14AQI
19AQI
17AQI
19AQI
16AQI
16AQI
18AQI
27AQI
16AQI
28AQI
24AQI
25AQI
24AQI
26AQI
19AQI
19AQI
21AQI
24AQI
27AQI
31AQI
44AQI
44AQI
35AQI
29AQI
23AQI
24AQI
21AQI
20AQI
16AQI
18AQI
17AQI
13AQI
12AQI
19AQI
35AQI
25AQI
15AQI
13AQI
16AQI
18AQI
20AQI
26AQI
18AQI
17AQI
20AQI
34AQI
25AQI
19AQI
21AQI
15AQI
15AQI
20AQI
22AQI
20AQI
25AQI
23AQI
32AQI
40AQI
31AQI
23AQI
18AQI
22AQI
19AQI
18AQI
16AQI
19AQI
20AQI
20AQI
23AQI
28AQI
33AQI
24AQI
21AQI
18AQI
22AQI
48AQI
28AQI
18AQI
16AQI
24AQI
20AQI
23AQI
26AQI
28AQI
27AQI
17AQI
14AQI
12AQI
15AQI
20AQI
21AQI
19AQI
20AQI
28AQI
34AQI
46AQI
54AQI
52AQI
43AQI
34AQI
39AQI
31AQI
44AQI
28AQI
42AQI
59AQI
35AQI
55AQI
41AQI
24AQI
27AQI
34AQI
42AQI
41AQI
21AQI
35AQI
19AQI
24AQI
30AQI
35AQI
23AQI
30AQI
47AQI
25AQI
27AQI
39AQI
49AQI
33AQI
34AQI
20AQI
21AQI
26AQI
21AQI
23AQI
23AQI
28AQI
34AQI
No. of days
202525AQI
Highest AQI recorded in
September34AQI
Lowest AQI recorded in
March21AQI
Most & Least Polluted Years Over the Last 1 Years
South End's annual 2025 AQI (25) shows an average percentage change of NaN% (improved AQI) compared to previous years: .