Naep, Hongseong, Chungnam, South Korea 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
Naep, Hongseong, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (5th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 94 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Mar - 5th Mar 2026
Naep, Hongseong, Chungnam, South Korea
7 AM4th Mar 2026
6 PM
6 AM5th Mar 2026
83AQI
49AQI
116AQI
48AQI
In the last 24 hours,
Naep's AQI reached its highest point of 116 at 6 AM during the Night, while the lowest point, 48, was recorded at 8 PM during the Night between 4th Mar and 5th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Naep, Hongseong, Chungnam, South Korea
2°C-1/6°C
3°C-2/8°C
-5°C-6/-5°C
-5°C-7/-4°C
-5°C-7/-3°C
-1°C-5/4°C
1°C-2/5°C
1°C-1/4°C
2°C-1/6°C
4°C1/8°C
5°C2/9°C
4°C1/8°C
0°C-1/2°C
1°C-2/5°C
2°C-1/5°C
1°C-2/4°C
4°C0/9°C
8°C5/12°C
6°C2/8°C
1°C0/2°C
2°C0/5°C
4°C-1/10°C
6°C1/10°C
7°C3/12°C
7°C3/13°C
8°C4/12°C
5°C3/6°C
5°C3/10°C
4°C1/7°C
4°C1/9°C
84AQI
60AQI
69AQI
54AQI
2026 Days Vs Air Quality
Naep, Hongseong, Chungnam, South Korea
42%
27
42%
27
16%
10
Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)
Under WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2026, 42% of 65 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Naep, Hongseong, Chungnam, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
39AQI (US)
52AQI (US)
86AQI (US)
50AQI (US)
48AQI (US)
61AQI (US)
21AQI (US)
38AQI (US)
59AQI (US)
29AQI (US)
52AQI (US)
50AQI (US)
33AQI (US)
110AQI (US)
132AQI (US)
121AQI (US)
122AQI (US)
65AQI (US)
31AQI (US)
34AQI (US)
37AQI (US)
64AQI (US)
56AQI (US)
29AQI (US)
44AQI (US)
58AQI (US)
35AQI (US)
46AQI (US)
51AQI (US)
76AQI (US)
96AQI (US)
76AQI (US)
61AQI (US)
94AQI (US)
110AQI (US)
60AQI (US)
34AQI (US)
39AQI (US)
38AQI (US)
65AQI (US)
103AQI (US)
104AQI (US)
132AQI (US)
138AQI (US)
103AQI (US)
44AQI (US)
59AQI (US)
63AQI (US)
36AQI (US)
65AQI (US)
98AQI (US)
59AQI (US)
29AQI (US)
49AQI (US)
66AQI (US)
32AQI (US)
50AQI (US)
58AQI (US)
58AQI (US)
21AQI (US)
27AQI (US)
68AQI (US)
94AQI (US)
57AQI (US)
70AQI (US)
54AQI (US)
No. of days
202662AQI (US)
Highest AQI (US) recorded in
February70AQI (US)
Lowest AQI (US) recorded in
March54AQI (US)
202561AQI (US)
Highest AQI (US) recorded in
March83AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202460AQI (US)
Highest AQI (US) recorded in
January82AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202363AQI (US)
Highest AQI (US) recorded in
February94AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202265AQI (US)
Highest AQI (US) recorded in
February86AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202167AQI (US)
Highest AQI (US) recorded in
March109AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202064AQI (US)
Highest AQI (US) recorded in
December81AQI (US)
Lowest AQI (US) recorded in
July48AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Naep's annual 2026 AQI (US) (62) shows an average percentage change of -1.6% (improved AQI (US)) compared to previous years: 2020 (64), 2021 (67), 2022 (65), 2023 (63), 2024 (60), 2025 (61).