Rancagua I, 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 I, Rancagua, Libertador General Bernardo O Higgins, Chile
AQI Trends: Highest and Lowest
Same Day Analysis (6th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 30 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Mar - 6th Mar 2026
Rancagua I, Rancagua, Libertador General Bernardo O Higgins, Chile
7 AM5th Mar 2026
8 PM
6 AM6th Mar 2026
45AQI
20AQI
38AQI
24AQI
In the last 24 hours,
Rancagua I's AQI reached its highest point of 45 at 9 AM during the Day, while the lowest point, 20, was recorded at 6 PM during the Day between 5th Mar and 6th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Rancagua I, Rancagua, Libertador General Bernardo O Higgins, Chile
21°C13/31°C
23°C13/33°C
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
65AQI
36AQI
58AQI
37AQI
2026 Days Vs Air Quality
Rancagua I, Rancagua, Libertador General Bernardo O Higgins, Chile
83%
54
17%
11
Total number of days with different AQI categories in last 66 days in 2026 (299 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 66 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 I, Rancagua, Libertador General Bernardo O Higgins, Chile
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI (US)
50AQI (US)
42AQI (US)
46AQI (US)
37AQI (US)
36AQI (US)
48AQI (US)
45AQI (US)
41AQI (US)
53AQI (US)
47AQI (US)
50AQI (US)
48AQI (US)
47AQI (US)
35AQI (US)
55AQI (US)
61AQI (US)
55AQI (US)
80AQI (US)
87AQI (US)
74AQI (US)
53AQI (US)
52AQI (US)
44AQI (US)
47AQI (US)
44AQI (US)
37AQI (US)
43AQI (US)
43AQI (US)
49AQI (US)
42AQI (US)
45AQI (US)
53AQI (US)
49AQI (US)
49AQI (US)
48AQI (US)
44AQI (US)
40AQI (US)
44AQI (US)
46AQI (US)
42AQI (US)
41AQI (US)
42AQI (US)
49AQI (US)
50AQI (US)
41AQI (US)
43AQI (US)
46AQI (US)
45AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
34AQI (US)
40AQI (US)
44AQI (US)
43AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
38AQI (US)
50AQI (US)
43AQI (US)
40AQI (US)
37AQI (US)
30AQI (US)
50AQI (US)
43AQI (US)
40AQI (US)
No. of days
202646AQI (US)
Highest AQI (US) recorded in
January50AQI (US)
Lowest AQI (US) recorded in
March40AQI (US)
202572AQI (US)
Highest AQI (US) recorded in
July135AQI (US)
Lowest AQI (US) recorded in
January46AQI (US)
202462AQI (US)
Highest AQI (US) recorded in
May101AQI (US)
Lowest AQI (US) recorded in
November37AQI (US)
202376AQI (US)
Highest AQI (US) recorded in
July115AQI (US)
Lowest AQI (US) recorded in
November39AQI (US)
202276AQI (US)
Highest AQI (US) recorded in
May119AQI (US)
Lowest AQI (US) recorded in
January41AQI (US)
202178AQI (US)
Highest AQI (US) recorded in
July149AQI (US)
Lowest AQI (US) recorded in
October50AQI (US)
202077AQI (US)
Highest AQI (US) recorded in
July115AQI (US)
Lowest AQI (US) recorded in
December44AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Rancagua I's annual 2026 AQI (US) (46) shows an average percentage change of -37.1% (improved AQI (US)) compared to previous years: 2020 (77), 2021 (78), 2022 (76), 2023 (76), 2024 (62), 2025 (72).