Los Angeles, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Los Angeles, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Los Angeles, California, United States
67%
122
31%
56
2%
3
Total number of days with different AQI categories in last 182 days in 2025 (183 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 182 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Los Angeles, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
107AQI
74AQI
85AQI
82AQI
58AQI
51AQI
61AQI
119AQI
118AQI
81AQI
71AQI
55AQI
45AQI
43AQI
48AQI
48AQI
50AQI
56AQI
67AQI
67AQI
49AQI
48AQI
58AQI
47AQI
60AQI
47AQI
40AQI
45AQI
48AQI
55AQI
59AQI
68AQI
69AQI
72AQI
55AQI
31AQI
35AQI
25AQI
32AQI
41AQI
43AQI
39AQI
35AQI
24AQI
24AQI
28AQI
42AQI
47AQI
48AQI
50AQI
56AQI
48AQI
47AQI
51AQI
52AQI
49AQI
51AQI
54AQI
45AQI
39AQI
36AQI
32AQI
36AQI
43AQI
32AQI
29AQI
39AQI
42AQI
40AQI
34AQI
28AQI
25AQI
23AQI
29AQI
43AQI
48AQI
30AQI
28AQI
31AQI
38AQI
44AQI
45AQI
51AQI
48AQI
42AQI
29AQI
30AQI
39AQI
36AQI
24AQI
24AQI
28AQI
34AQI
38AQI
34AQI
33AQI
39AQI
45AQI
52AQI
54AQI
53AQI
53AQI
56AQI
54AQI
49AQI
42AQI
31AQI
29AQI
34AQI
37AQI
41AQI
45AQI
47AQI
41AQI
41AQI
24AQI
21AQI
27AQI
39AQI
48AQI
42AQI
41AQI
37AQI
37AQI
43AQI
42AQI
44AQI
51AQI
52AQI
52AQI
55AQI
47AQI
28AQI
38AQI
50AQI
52AQI
44AQI
38AQI
48AQI
54AQI
55AQI
57AQI
56AQI
52AQI
47AQI
47AQI
45AQI
46AQI
42AQI
46AQI
50AQI
48AQI
39AQI
38AQI
38AQI
39AQI
37AQI
41AQI
43AQI
45AQI
50AQI
51AQI
50AQI
53AQI
54AQI
54AQI
57AQI
58AQI
59AQI
55AQI
55AQI
54AQI
53AQI
53AQI
51AQI
45AQI
48AQI
51AQI
48AQI
46AQI
38AQI
63AQI
45AQI
36AQI
40AQI
46AQI
48AQI
No. of days
202546AQI
Highest AQI recorded in
January63AQI
Lowest AQI recorded in
March36AQI
202450AQI
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
March37AQI
202347AQI
Highest AQI recorded in
July62AQI
Lowest AQI recorded in
January38AQI
202249AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
February39AQI
202155AQI
Highest AQI recorded in
November69AQI
Lowest AQI recorded in
March42AQI
202053AQI
Highest AQI recorded in
September78AQI
Lowest AQI recorded in
April25AQI
Most & Least Polluted Years Over the Last 6 Years
Los Angeles's annual 2025 AQI (46) shows an average percentage change of -8.2% (improved AQI) compared to previous years: 2020 (53), 2021 (55), 2022 (49), 2023 (47), 2024 (50).
