Puerto Montt, Los Lagos, Chile 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
Puerto Montt, Los Lagos, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 71 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Puerto Montt, Los Lagos, Chile
7 AM6th Oct 2025
7 PM
6 AM7th Oct 2025
50AQI
33AQI
AQI
AQI
In the last 24 hours,
Puerto Montt's AQI reached its highest point of 50 at 9 AM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Puerto Montt, Los Lagos, Chile
9°C5/12°C
9°C6/11°C
10°C7/13°C
10°C7/14°C
8°C5/14°C
10°C5/16°C
8°C5/11°C
8°C4/13°C
10°C6/14°C
10°C9/11°C
12°C8/17°C
10°C8/12°C
10°C7/13°C
9°C6/13°C
8°C6/10°C
8°C5/11°C
8°C4/14°C
10°C6/16°C
12°C6/19°C
10°C7/13°C
10°C7/13°C
8°C4/12°C
7°C4/10°C
9°C5/13°C
9°C6/14°C
10°C5/17°C
10°C7/13°C
7°C4/10°C
6°C3/10°C
7°C5/10°C
--°C/°C
57AQI
44AQI
75AQI
50AQI
2025 Days Vs Air Quality
Puerto Montt, Los Lagos, Chile
41%
114
47%
131
10%
29
2%
5
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Under WHO’s Safe Air Quality Limits: 41%
Health Risk Level:
Significant
In 2025, 41% of 280 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Puerto Montt, Los Lagos, Chile
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
23AQI
22AQI
20AQI
22AQI
21AQI
23AQI
21AQI
24AQI
25AQI
27AQI
26AQI
29AQI
29AQI
23AQI
21AQI
23AQI
22AQI
21AQI
23AQI
23AQI
26AQI
24AQI
26AQI
24AQI
23AQI
21AQI
26AQI
24AQI
25AQI
23AQI
19AQI
26AQI
37AQI
40AQI
28AQI
29AQI
28AQI
25AQI
27AQI
26AQI
30AQI
29AQI
27AQI
28AQI
28AQI
23AQI
24AQI
25AQI
24AQI
26AQI
25AQI
23AQI
26AQI
27AQI
32AQI
30AQI
35AQI
32AQI
33AQI
31AQI
38AQI
37AQI
36AQI
38AQI
27AQI
39AQI
31AQI
31AQI
30AQI
31AQI
31AQI
34AQI
34AQI
41AQI
51AQI
31AQI
44AQI
25AQI
22AQI
30AQI
44AQI
33AQI
46AQI
52AQI
45AQI
42AQI
33AQI
39AQI
48AQI
47AQI
53AQI
64AQI
63AQI
70AQI
72AQI
57AQI
47AQI
55AQI
33AQI
41AQI
56AQI
68AQI
42AQI
55AQI
51AQI
66AQI
87AQI
46AQI
84AQI
57AQI
56AQI
61AQI
62AQI
54AQI
73AQI
68AQI
55AQI
67AQI
54AQI
50AQI
67AQI
66AQI
97AQI
82AQI
65AQI
73AQI
73AQI
63AQI
73AQI
79AQI
64AQI
62AQI
58AQI
50AQI
52AQI
59AQI
80AQI
83AQI
94AQI
80AQI
128AQI
105AQI
95AQI
69AQI
100AQI
139AQI
133AQI
122AQI
118AQI
127AQI
84AQI
75AQI
76AQI
110AQI
111AQI
104AQI
93AQI
130AQI
161AQI
153AQI
121AQI
112AQI
97AQI
64AQI
57AQI
81AQI
98AQI
119AQI
77AQI
83AQI
55AQI
57AQI
130AQI
83AQI
96AQI
85AQI
118AQI
128AQI
154AQI
153AQI
153AQI
117AQI
110AQI
90AQI
149AQI
110AQI
92AQI
87AQI
90AQI
144AQI
85AQI
72AQI
77AQI
73AQI
61AQI
103AQI
76AQI
62AQI
76AQI
119AQI
106AQI
66AQI
105AQI
77AQI
54AQI
74AQI
87AQI
50AQI
43AQI
31AQI
42AQI
33AQI
53AQI
65AQI
87AQI
79AQI
87AQI
66AQI
80AQI
128AQI
71AQI
52AQI
48AQI
60AQI
79AQI
70AQI
67AQI
103AQI
92AQI
61AQI
52AQI
37AQI
48AQI
62AQI
45AQI
51AQI
66AQI
60AQI
65AQI
58AQI
97AQI
73AQI
55AQI
47AQI
49AQI
60AQI
76AQI
106AQI
64AQI
50AQI
38AQI
42AQI
64AQI
71AQI
43AQI
57AQI
57AQI
49AQI
66AQI
43AQI
60AQI
55AQI
51AQI
51AQI
69AQI
76AQI
58AQI
37AQI
65AQI
54AQI
66AQI
55AQI
74AQI
56AQI
63AQI
78AQI
100AQI
71AQI
24AQI
28AQI
36AQI
59AQI
84AQI
102AQI
86AQI
68AQI
58AQI
74AQI
No. of days
202561AQI
Highest AQI recorded in
June102AQI
Lowest AQI recorded in
January24AQI
202452AQI
Highest AQI recorded in
May86AQI
Lowest AQI recorded in
January21AQI
202349AQI
Highest AQI recorded in
July74AQI
Lowest AQI recorded in
January16AQI
202259AQI
Highest AQI recorded in
August120AQI
Lowest AQI recorded in
January22AQI
202166AQI
Highest AQI recorded in
June122AQI
Lowest AQI recorded in
January24AQI
202083AQI
Highest AQI recorded in
May140AQI
Lowest AQI recorded in
March33AQI
Most & Least Polluted Years Over the Last 6 Years
Puerto Montt's annual 2025 AQI (61) shows an average percentage change of 2.2% (worsened AQI) compared to previous years: 2020 (83), 2021 (66), 2022 (59), 2023 (49), 2024 (52).