Newhall, Santa Clarita, 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
Newhall, Santa Clarita, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Oct - 29th Oct 2025
Newhall, Santa Clarita, California, United States
6 AM28th Oct 2025
6 PM
5 AM29th Oct 2025
59AQI
19AQI
45AQI
17AQI
In the last 24 hours,
Newhall's AQI reached its highest point of 59 at 1 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Newhall, Santa Clarita, California, United States
21°C14/30°C
20°C16/29°C
20°C13/30°C
21°C13/30°C
20°C15/28°C
20°C12/31°C
21°C13/31°C
21°C13/32°C
22°C13/33°C
19°C12/28°C
20°C12/32°C
24°C15/36°C
22°C16/30°C
21°C11/32°C
16°C12/21°C
13°C11/14°C
14°C9/20°C
17°C9/28°C
20°C11/31°C
21°C12/32°C
21°C14/33°C
22°C13/33°C
21°C14/32°C
17°C11/24°C
19°C11/30°C
21°C14/32°C
18°C11/26°C
18°C12/26°C
20°C13/31°C
24°C16/34°C
--°C/°C
50AQI
41AQI
53AQI
42AQI
2025 Days Vs Air Quality
Newhall, Santa Clarita, California, United States
66%
144
33%
72
0.4%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 302 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Newhall, Santa Clarita, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
28AQI
30AQI
36AQI
38AQI
24AQI
24AQI
23AQI
29AQI
27AQI
24AQI
31AQI
36AQI
42AQI
42AQI
50AQI
51AQI
52AQI
55AQI
55AQI
55AQI
42AQI
37AQI
36AQI
36AQI
42AQI
48AQI
55AQI
54AQI
44AQI
47AQI
32AQI
23AQI
21AQI
34AQI
49AQI
51AQI
50AQI
49AQI
34AQI
44AQI
52AQI
41AQI
50AQI
45AQI
39AQI
34AQI
51AQI
30AQI
35AQI
48AQI
54AQI
49AQI
45AQI
39AQI
44AQI
46AQI
53AQI
55AQI
53AQI
52AQI
49AQI
51AQI
48AQI
48AQI
51AQI
49AQI
48AQI
40AQI
40AQI
43AQI
50AQI
47AQI
50AQI
50AQI
52AQI
55AQI
55AQI
55AQI
56AQI
55AQI
50AQI
56AQI
55AQI
55AQI
58AQI
57AQI
60AQI
59AQI
55AQI
54AQI
51AQI
54AQI
54AQI
50AQI
44AQI
37AQI
46AQI
51AQI
49AQI
51AQI
63AQI
49AQI
48AQI
52AQI
45AQI
45AQI
53AQI
57AQI
53AQI
45AQI
48AQI
46AQI
33AQI
38AQI
42AQI
46AQI
46AQI
39AQI
35AQI
30AQI
28AQI
35AQI
33AQI
34AQI
39AQI
42AQI
49AQI
50AQI
51AQI
54AQI
60AQI
64AQI
65AQI
59AQI
55AQI
55AQI
56AQI
58AQI
57AQI
60AQI
59AQI
53AQI
51AQI
45AQI
39AQI
36AQI
39AQI
53AQI
122AQI
51AQI
53AQI
50AQI
46AQI
45AQI
41AQI
47AQI
49AQI
48AQI
48AQI
40AQI
46AQI
44AQI
39AQI
33AQI
35AQI
27AQI
27AQI
28AQI
26AQI
37AQI
49AQI
54AQI
49AQI
47AQI
38AQI
36AQI
38AQI
24AQI
30AQI
34AQI
32AQI
40AQI
31AQI
33AQI
26AQI
26AQI
23AQI
28AQI
42AQI
41AQI
44AQI
46AQI
49AQI
67AQI
59AQI
56AQI
51AQI
45AQI
52AQI
50AQI
51AQI
35AQI
39AQI
42AQI
47AQI
48AQI
42AQI
52AQI
51AQI
45AQI
44AQI
47AQI
61AQI
62AQI
52AQI
49AQI
33AQI
40AQI
46AQI
52AQI
44AQI
54AQI
36AQI
49AQI
No. of days
202545AQI
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
March33AQI
Most & Least Polluted Years Over the Last 1 Years
Newhall's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .