Rancagua, Libertador General Bernardo O Higgins, Chile Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Rancagua, Libertador General Bernardo O Higgins, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (8th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Mar - 8th Mar 2026
Rancagua, Libertador General Bernardo O Higgins, Chile
7 AM7th Mar 2026
8 PM
6 AM8th Mar 2026
76AQI
21AQI
43AQI
26AQI
In the last 24 hours,
Rancagua's AQI reached its highest point of 76 at 5 PM during the Day, while the lowest point, 21, was recorded at 8 AM during the Day between 7th Mar and 8th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Rancagua, Libertador General Bernardo O Higgins, Chile
24°C15/35°C
21°C12/32°C
21°C12/32°C
20°C12/31°C
20°C10/30°C
20°C10/31°C
22°C13/32°C
21°C14/29°C
21°C11/32°C
21°C12/33°C
22°C13/33°C
21°C13/32°C
22°C12/34°C
22°C14/32°C
22°C12/33°C
24°C16/34°C
24°C16/33°C
24°C16/34°C
23°C14/33°C
21°C13/31°C
21°C15/31°C
22°C12/33°C
22°C14/32°C
20°C14/29°C
20°C12/29°C
20°C11/31°C
22°C14/32°C
22°C14/33°C
20°C13/29°C
20°C13/28°C
64AQI
35AQI
57AQI
37AQI
2026 Days Vs Air Quality
Rancagua, Libertador General Bernardo O Higgins, Chile
88%
59
12%
8
Total number of days with different AQI categories in last 68 days in 2026 (297 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 68 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
Rancagua, Libertador General Bernardo O Higgins, Chile
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI (US)
46AQI (US)
41AQI (US)
43AQI (US)
36AQI (US)
34AQI (US)
49AQI (US)
43AQI (US)
42AQI (US)
50AQI (US)
45AQI (US)
48AQI (US)
45AQI (US)
47AQI (US)
34AQI (US)
48AQI (US)
57AQI (US)
54AQI (US)
76AQI (US)
81AQI (US)
74AQI (US)
53AQI (US)
52AQI (US)
44AQI (US)
47AQI (US)
44AQI (US)
37AQI (US)
43AQI (US)
43AQI (US)
50AQI (US)
42AQI (US)
45AQI (US)
53AQI (US)
49AQI (US)
49AQI (US)
48AQI (US)
44AQI (US)
41AQI (US)
44AQI (US)
46AQI (US)
42AQI (US)
41AQI (US)
41AQI (US)
49AQI (US)
50AQI (US)
41AQI (US)
44AQI (US)
46AQI (US)
45AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
34AQI (US)
40AQI (US)
44AQI (US)
43AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
38AQI (US)
50AQI (US)
43AQI (US)
41AQI (US)
37AQI (US)
29AQI (US)
33AQI (US)
38AQI (US)
48AQI (US)
43AQI (US)
39AQI (US)
No. of days
202645AQI (US)
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
March39AQI (US)
202571AQI (US)
Highest AQI (US) recorded in
July136AQI (US)
Lowest AQI (US) recorded in
January45AQI (US)
202465AQI (US)
Highest AQI (US) recorded in
July109AQI (US)
Lowest AQI (US) recorded in
November37AQI (US)
202373AQI (US)
Highest AQI (US) recorded in
July112AQI (US)
Lowest AQI (US) recorded in
November40AQI (US)
202277AQI (US)
Highest AQI (US) recorded in
June124AQI (US)
Lowest AQI (US) recorded in
January38AQI (US)
202175AQI (US)
Highest AQI (US) recorded in
July152AQI (US)
Lowest AQI (US) recorded in
November44AQI (US)
202079AQI (US)
Highest AQI (US) recorded in
July117AQI (US)
Lowest AQI (US) recorded in
December45AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Rancagua's annual 2026 AQI (US) (45) shows an average percentage change of -38.5% (improved AQI (US)) compared to previous years: 2020 (79), 2021 (75), 2022 (77), 2023 (73), 2024 (65), 2025 (71).