Westmorland, 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
Westmorland, 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 51 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
Westmorland, California, United States
6 AM2nd Oct 2025
6 PM
5 AM3rd Oct 2025
95AQI
30AQI
79AQI
30AQI
In the last 24 hours,
Westmorland's AQI reached its highest point of 95 at 8 AM during the Day, while the lowest point, 30, was recorded at 4 AM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Westmorland, California, United States
33°C25/41°C
34°C27/41°C
32°C27/39°C
33°C26/40°C
33°C26/40°C
33°C26/42°C
31°C23/41°C
28°C20/37°C
28°C19/36°C
27°C19/36°C
28°C19/38°C
29°C19/38°C
30°C20/40°C
32°C24/42°C
32°C27/39°C
31°C27/37°C
29°C23/36°C
30°C22/39°C
31°C26/38°C
29°C24/36°C
31°C22/39°C
34°C25/42°C
34°C27/42°C
30°C24/36°C
28°C23/33°C
28°C22/35°C
29°C22/38°C
30°C24/38°C
28°C20/37°C
29°C19/38°C
--°C/°C
38AQI
29AQI
55AQI
30AQI
2025 Days Vs Air Quality
Westmorland, California, United States
52%
99
46%
87
2%
3
0.5%
1
0.5%
1
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 52%
Health Risk Level:
Considerable
In 2025, 52% of 276 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Westmorland, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
59AQI
62AQI
52AQI
45AQI
50AQI
42AQI
67AQI
56AQI
45AQI
38AQI
34AQI
30AQI
33AQI
41AQI
44AQI
44AQI
42AQI
39AQI
36AQI
39AQI
39AQI
85AQI
66AQI
67AQI
30AQI
31AQI
29AQI
38AQI
39AQI
43AQI
107AQI
106AQI
39AQI
37AQI
38AQI
40AQI
41AQI
44AQI
53AQI
118AQI
31AQI
40AQI
28AQI
33AQI
33AQI
35AQI
45AQI
53AQI
99AQI
193AQI
56AQI
56AQI
215AQI
84AQI
59AQI
57AQI
54AQI
56AQI
60AQI
59AQI
52AQI
54AQI
52AQI
54AQI
53AQI
54AQI
52AQI
56AQI
44AQI
49AQI
42AQI
42AQI
43AQI
47AQI
48AQI
47AQI
52AQI
54AQI
56AQI
54AQI
54AQI
52AQI
52AQI
56AQI
60AQI
62AQI
74AQI
66AQI
64AQI
69AQI
66AQI
67AQI
65AQI
62AQI
56AQI
52AQI
53AQI
52AQI
54AQI
55AQI
55AQI
63AQI
53AQI
58AQI
54AQI
51AQI
54AQI
55AQI
53AQI
52AQI
51AQI
53AQI
48AQI
35AQI
35AQI
43AQI
43AQI
44AQI
43AQI
51AQI
41AQI
33AQI
24AQI
21AQI
21AQI
22AQI
22AQI
31AQI
36AQI
33AQI
47AQI
67AQI
90AQI
59AQI
59AQI
55AQI
53AQI
81AQI
58AQI
68AQI
62AQI
61AQI
57AQI
40AQI
34AQI
35AQI
38AQI
40AQI
51AQI
55AQI
56AQI
55AQI
50AQI
45AQI
51AQI
72AQI
26AQI
31AQI
34AQI
45AQI
40AQI
27AQI
39AQI
83AQI
24AQI
24AQI
31AQI
44AQI
52AQI
54AQI
28AQI
31AQI
41AQI
43AQI
48AQI
45AQI
35AQI
28AQI
23AQI
22AQI
25AQI
25AQI
28AQI
40AQI
39AQI
19AQI
26AQI
31AQI
30AQI
40AQI
51AQI
52AQI
47AQI
64AQI
55AQI
44AQI
52AQI
36AQI
46AQI
No. of days
202550AQI
Highest AQI recorded in
May64AQI
Lowest AQI recorded in
September36AQI
Most & Least Polluted Years Over the Last 1 Years
Westmorland's annual 2025 AQI (50) shows an average percentage change of NaN% (improved AQI) compared to previous years: .