Parlier, California, 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
Parlier, California, 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 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Parlier, California, United States
6 AM2nd Oct 2025
7 PM
5 AM3rd Oct 2025
61AQI
44AQI
73AQI
37AQI
In the last 24 hours,
Parlier's AQI reached its highest point of 73 at 8 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Parlier, California, United States
30°C20/41°C
30°C19/41°C
27°C16/38°C
27°C16/38°C
26°C15/37°C
26°C16/36°C
25°C17/33°C
23°C16/31°C
22°C13/31°C
24°C15/33°C
26°C16/35°C
25°C14/36°C
26°C15/38°C
29°C19/41°C
29°C17/41°C
25°C20/34°C
23°C19/30°C
26°C19/33°C
27°C18/35°C
27°C18/35°C
28°C19/39°C
27°C21/34°C
25°C18/33°C
26°C19/33°C
26°C19/35°C
24°C18/31°C
23°C17/30°C
23°C17/29°C
22°C15/30°C
23°C16/31°C
--°C/°C
49AQI
41AQI
51AQI
43AQI
2025 Days Vs Air Quality
Parlier, California, United States
83%
158
17%
33
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Parlier, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
27AQI
26AQI
24AQI
28AQI
21AQI
19AQI
17AQI
19AQI
23AQI
25AQI
27AQI
25AQI
17AQI
24AQI
41AQI
28AQI
25AQI
29AQI
37AQI
39AQI
39AQI
34AQI
34AQI
45AQI
43AQI
38AQI
34AQI
31AQI
44AQI
32AQI
19AQI
18AQI
24AQI
42AQI
48AQI
45AQI
44AQI
23AQI
33AQI
45AQI
46AQI
46AQI
50AQI
50AQI
49AQI
26AQI
25AQI
22AQI
23AQI
30AQI
32AQI
37AQI
25AQI
37AQI
26AQI
37AQI
36AQI
26AQI
29AQI
31AQI
22AQI
26AQI
40AQI
33AQI
52AQI
60AQI
41AQI
46AQI
43AQI
52AQI
49AQI
43AQI
45AQI
35AQI
41AQI
47AQI
41AQI
46AQI
42AQI
34AQI
33AQI
35AQI
39AQI
45AQI
50AQI
46AQI
38AQI
33AQI
30AQI
38AQI
39AQI
41AQI
46AQI
49AQI
43AQI
37AQI
40AQI
42AQI
49AQI
33AQI
50AQI
38AQI
43AQI
41AQI
35AQI
40AQI
54AQI
56AQI
53AQI
52AQI
51AQI
41AQI
36AQI
36AQI
38AQI
35AQI
28AQI
20AQI
21AQI
23AQI
22AQI
23AQI
21AQI
24AQI
31AQI
29AQI
34AQI
42AQI
37AQI
30AQI
35AQI
31AQI
36AQI
37AQI
38AQI
52AQI
53AQI
50AQI
51AQI
47AQI
45AQI
48AQI
31AQI
18AQI
32AQI
36AQI
41AQI
55AQI
59AQI
62AQI
60AQI
51AQI
55AQI
52AQI
55AQI
55AQI
52AQI
55AQI
49AQI
61AQI
63AQI
55AQI
49AQI
54AQI
40AQI
35AQI
28AQI
24AQI
28AQI
37AQI
49AQI
46AQI
39AQI
55AQI
55AQI
55AQI
48AQI
54AQI
45AQI
43AQI
49AQI
51AQI
49AQI
43AQI
49AQI
44AQI
58AQI
49AQI
48AQI
53AQI
25AQI
31AQI
36AQI
42AQI
37AQI
45AQI
47AQI
51AQI
No. of days
202539AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
March25AQI
Most & Least Polluted Years Over the Last 1 Years
Parlier's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .