Springville Forest Service, East Porterville, California, 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
Springville Forest Service, East Porterville, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 57 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Springville Forest Service, East Porterville, California, United States
6 AM12th Aug 2025
8 PM
5 AM13th Aug 2025
57AQI
51AQI
56AQI
53AQI
In the last 24 hours,
Springville Forest Service's AQI reached its highest point of 57 at 6 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Springville Forest Service, East Porterville, California, United States
32°C21/44°C
30°C20/43°C
28°C17/40°C
28°C16/40°C
28°C17/41°C
30°C18/41°C
29°C18/41°C
27°C17/38°C
25°C15/35°C
24°C14/35°C
25°C14/36°C
24°C14/35°C
25°C15/36°C
26°C15/37°C
27°C16/39°C
28°C18/39°C
28°C17/39°C
29°C17/41°C
30°C19/41°C
29°C18/40°C
29°C18/41°C
26°C16/38°C
27°C17/38°C
29°C18/41°C
31°C21/42°C
32°C21/44°C
33°C23/44°C
32°C22/44°C
32°C20/44°C
32°C21/43°C
--°C/°C
40AQI
39AQI
40AQI
40AQI
2025 Days Vs Air Quality
Springville Forest Service, East Porterville, California, United States
93%
207
7%
16
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 225 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
Springville Forest Service, East Porterville, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI
50AQI
35AQI
45AQI
31AQI
37AQI
58AQI
48AQI
39AQI
31AQI
41AQI
43AQI
28AQI
29AQI
30AQI
28AQI
40AQI
52AQI
62AQI
70AQI
53AQI
56AQI
45AQI
33AQI
38AQI
30AQI
36AQI
34AQI
43AQI
50AQI
61AQI
52AQI
27AQI
28AQI
28AQI
25AQI
25AQI
26AQI
29AQI
45AQI
44AQI
49AQI
29AQI
26AQI
34AQI
36AQI
31AQI
35AQI
31AQI
30AQI
32AQI
32AQI
31AQI
33AQI
36AQI
41AQI
34AQI
27AQI
30AQI
33AQI
32AQI
25AQI
26AQI
25AQI
27AQI
25AQI
26AQI
27AQI
27AQI
28AQI
27AQI
21AQI
22AQI
21AQI
22AQI
20AQI
16AQI
20AQI
19AQI
26AQI
25AQI
27AQI
27AQI
28AQI
26AQI
21AQI
27AQI
27AQI
23AQI
17AQI
20AQI
19AQI
18AQI
20AQI
19AQI
22AQI
27AQI
38AQI
39AQI
42AQI
50AQI
47AQI
38AQI
42AQI
43AQI
47AQI
35AQI
40AQI
41AQI
38AQI
45AQI
39AQI
36AQI
39AQI
42AQI
27AQI
17AQI
27AQI
33AQI
44AQI
37AQI
32AQI
35AQI
35AQI
35AQI
34AQI
32AQI
40AQI
43AQI
35AQI
31AQI
29AQI
24AQI
20AQI
25AQI
28AQI
30AQI
30AQI
37AQI
34AQI
32AQI
39AQI
29AQI
30AQI
33AQI
30AQI
30AQI
36AQI
37AQI
43AQI
44AQI
40AQI
35AQI
35AQI
41AQI
41AQI
39AQI
40AQI
43AQI
43AQI
48AQI
43AQI
42AQI
40AQI
35AQI
33AQI
37AQI
35AQI
40AQI
47AQI
47AQI
42AQI
42AQI
40AQI
43AQI
44AQI
47AQI
46AQI
47AQI
43AQI
36AQI
34AQI
37AQI
39AQI
40AQI
47AQI
42AQI
39AQI
38AQI
34AQI
39AQI
46AQI
55AQI
54AQI
55AQI
54AQI
48AQI
39AQI
38AQI
40AQI
43AQI
38AQI
29AQI
25AQI
24AQI
23AQI
24AQI
24AQI
25AQI
28AQI
30AQI
32AQI
37AQI
41AQI
48AQI
41AQI
44AQI
45AQI
43AQI
46AQI
61AQI
61AQI
57AQI
43AQI
33AQI
25AQI
34AQI
33AQI
41AQI
38AQI
48AQI
No. of days
202536AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
March25AQI
202441AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
February20AQI
202350AQI
Highest AQI recorded in
September68AQI
Lowest AQI recorded in
June30AQI
202253AQI
Highest AQI recorded in
August64AQI
Lowest AQI recorded in
January36AQI
202158AQI
Highest AQI recorded in
September99AQI
Lowest AQI recorded in
January22AQI
202073AQI
Highest AQI recorded in
September171AQI
Lowest AQI recorded in
March32AQI
Most & Least Polluted Years Over the Last 6 Years
Springville Forest Service's annual 2025 AQI (36) shows an average percentage change of -32.2% (improved AQI) compared to previous years: 2020 (73), 2021 (58), 2022 (53), 2023 (50), 2024 (41).