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
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 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
East Porterville, California, United States
5 AM11th Aug 2025
8 PM
4 AM12th Aug 2025
60AQI
47AQI
59AQI
49AQI
In the last 24 hours,
East Porterville's AQI reached its highest point of 60 at 10 AM during the Day, while the lowest point, 47, was recorded at 6 PM during the Day between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
East Porterville, California, United States
25°C18/33°C
26°C19/34°C
23°C17/31°C
22°C15/29°C
22°C14/29°C
22°C14/29°C
23°C16/30°C
23°C16/30°C
19°C14/26°C
17°C10/24°C
17°C9/25°C
18°C11/25°C
17°C11/24°C
17°C10/23°C
18°C11/26°C
20°C14/28°C
20°C13/28°C
20°C12/27°C
21°C13/29°C
21°C15/29°C
21°C13/28°C
21°C13/28°C
19°C11/26°C
20°C12/28°C
22°C14/30°C
23°C15/31°C
24°C17/32°C
24°C17/32°C
25°C18/32°C
24°C13/32°C
--°C/°C
39AQI
39AQI
40AQI
39AQI
2025 Days Vs Air Quality
East Porterville, California, United States
93%
207
7%
16
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 224 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
East Porterville, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
46AQI
41AQI
49AQI
42AQI
43AQI
53AQI
46AQI
43AQI
38AQI
43AQI
46AQI
37AQI
39AQI
39AQI
36AQI
42AQI
56AQI
63AQI
62AQI
49AQI
53AQI
43AQI
40AQI
43AQI
35AQI
39AQI
40AQI
45AQI
51AQI
58AQI
54AQI
37AQI
36AQI
34AQI
29AQI
31AQI
32AQI
34AQI
45AQI
49AQI
50AQI
34AQI
34AQI
32AQI
33AQI
36AQI
37AQI
34AQI
33AQI
36AQI
32AQI
29AQI
32AQI
34AQI
35AQI
33AQI
32AQI
34AQI
36AQI
34AQI
28AQI
30AQI
30AQI
28AQI
28AQI
27AQI
28AQI
27AQI
31AQI
27AQI
26AQI
29AQI
25AQI
28AQI
25AQI
24AQI
26AQI
29AQI
31AQI
30AQI
31AQI
30AQI
30AQI
28AQI
30AQI
33AQI
31AQI
33AQI
27AQI
26AQI
25AQI
24AQI
24AQI
22AQI
27AQI
30AQI
38AQI
41AQI
44AQI
49AQI
46AQI
42AQI
42AQI
44AQI
47AQI
37AQI
40AQI
43AQI
43AQI
43AQI
41AQI
40AQI
42AQI
44AQI
33AQI
24AQI
30AQI
39AQI
43AQI
38AQI
34AQI
38AQI
37AQI
39AQI
38AQI
33AQI
41AQI
41AQI
38AQI
32AQI
34AQI
32AQI
28AQI
28AQI
29AQI
35AQI
35AQI
40AQI
36AQI
39AQI
42AQI
33AQI
33AQI
37AQI
36AQI
33AQI
38AQI
40AQI
42AQI
46AQI
42AQI
38AQI
37AQI
43AQI
43AQI
41AQI
42AQI
45AQI
44AQI
48AQI
46AQI
42AQI
41AQI
39AQI
35AQI
39AQI
37AQI
44AQI
49AQI
48AQI
44AQI
43AQI
42AQI
42AQI
45AQI
46AQI
46AQI
47AQI
46AQI
39AQI
37AQI
39AQI
42AQI
42AQI
47AQI
43AQI
39AQI
37AQI
34AQI
41AQI
49AQI
55AQI
57AQI
56AQI
54AQI
50AQI
42AQI
40AQI
41AQI
43AQI
37AQI
28AQI
24AQI
24AQI
24AQI
26AQI
27AQI
27AQI
30AQI
31AQI
30AQI
32AQI
38AQI
47AQI
38AQI
38AQI
39AQI
38AQI
42AQI
59AQI
59AQI
59AQI
46AQI
36AQI
29AQI
37AQI
36AQI
43AQI
39AQI
44AQI
No. of days
202538AQI
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
March29AQI
202439AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February20AQI
202348AQI
Highest AQI recorded in
September68AQI
Lowest AQI recorded in
June30AQI
202248AQI
Highest AQI recorded in
April63AQI
Lowest AQI recorded in
January36AQI
202156AQI
Highest AQI recorded in
September97AQI
Lowest AQI recorded in
January25AQI
202065AQI
Highest AQI recorded in
September143AQI
Lowest AQI recorded in
March31AQI
Most & Least Polluted Years Over the Last 6 Years
East Porterville's annual 2025 AQI (38) shows an average percentage change of -22.8% (improved AQI) compared to previous years: 2020 (65), 2021 (56), 2022 (48), 2023 (48), 2024 (39).