Nanyang, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Nanyang, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Nanyang, Henan, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
69AQI
56AQI
In the last 24 hours,
Nanyang's AQI reached its highest point of 69 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nanyang, Henan, China
32°C28/37°C
32°C27/38°C
31°C27/38°C
29°C25/36°C
29°C25/34°C
29°C25/33°C
30°C25/34°C
30°C26/34°C
31°C26/37°C
32°C27/38°C
32°C27/38°C
32°C27/40°C
31°C25/38°C
32°C27/38°C
30°C25/35°C
30°C25/36°C
29°C24/35°C
27°C25/31°C
27°C24/32°C
29°C25/35°C
31°C26/37°C
31°C26/36°C
30°C26/36°C
31°C26/36°C
31°C26/38°C
31°C26/38°C
30°C25/35°C
31°C25/37°C
31°C27/37°C
--°C/°C
--°C/°C
59AQI
59AQI
59AQI
59AQI
2025 Days Vs Air Quality
Nanyang, Henan, China
4%
9
47%
101
36%
78
11%
24
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2025, 4% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Nanyang, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
173AQI
178AQI
176AQI
195AQI
151AQI
141AQI
134AQI
133AQI
109AQI
136AQI
122AQI
121AQI
149AQI
113AQI
100AQI
120AQI
125AQI
153AQI
159AQI
169AQI
174AQI
199AQI
166AQI
145AQI
139AQI
98AQI
103AQI
140AQI
221AQI
176AQI
179AQI
163AQI
167AQI
146AQI
132AQI
102AQI
99AQI
90AQI
80AQI
102AQI
127AQI
143AQI
116AQI
136AQI
144AQI
143AQI
124AQI
121AQI
123AQI
146AQI
146AQI
158AQI
158AQI
165AQI
155AQI
150AQI
152AQI
156AQI
160AQI
145AQI
86AQI
91AQI
91AQI
114AQI
131AQI
139AQI
141AQI
149AQI
139AQI
149AQI
144AQI
156AQI
106AQI
117AQI
85AQI
84AQI
77AQI
80AQI
73AQI
79AQI
82AQI
98AQI
96AQI
92AQI
116AQI
115AQI
118AQI
94AQI
104AQI
101AQI
106AQI
80AQI
102AQI
123AQI
101AQI
112AQI
108AQI
120AQI
128AQI
120AQI
118AQI
210AQI
137AQI
94AQI
99AQI
99AQI
115AQI
112AQI
107AQI
99AQI
94AQI
109AQI
121AQI
92AQI
103AQI
92AQI
94AQI
76AQI
80AQI
81AQI
89AQI
94AQI
75AQI
82AQI
99AQI
182AQI
146AQI
127AQI
111AQI
93AQI
87AQI
93AQI
102AQI
86AQI
101AQI
92AQI
136AQI
120AQI
133AQI
115AQI
112AQI
104AQI
113AQI
100AQI
101AQI
89AQI
105AQI
96AQI
97AQI
85AQI
73AQI
78AQI
78AQI
81AQI
81AQI
78AQI
80AQI
72AQI
70AQI
71AQI
73AQI
71AQI
73AQI
72AQI
67AQI
64AQI
66AQI
68AQI
58AQI
49AQI
59AQI
65AQI
68AQI
64AQI
65AQI
64AQI
56AQI
55AQI
55AQI
50AQI
53AQI
49AQI
43AQI
44AQI
49AQI
51AQI
51AQI
54AQI
61AQI
56AQI
59AQI
73AQI
74AQI
65AQI
63AQI
64AQI
70AQI
62AQI
63AQI
64AQI
61AQI
61AQI
63AQI
47AQI
46AQI
50AQI
55AQI
51AQI
51AQI
51AQI
55AQI
59AQI
61AQI
61AQI
148AQI
136AQI
109AQI
108AQI
104AQI
67AQI
57AQI
61AQI
No. of days
2025104AQI
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
July57AQI
2024105AQI
Highest AQI recorded in
January155AQI
Lowest AQI recorded in
July54AQI
2023105AQI
Highest AQI recorded in
January173AQI
Lowest AQI recorded in
July60AQI
2022116AQI
Highest AQI recorded in
January186AQI
Lowest AQI recorded in
August58AQI
2021110AQI
Highest AQI recorded in
January165AQI
Lowest AQI recorded in
August60AQI
202099AQI
Highest AQI recorded in
December162AQI
Lowest AQI recorded in
August61AQI
Most & Least Polluted Years Over the Last 6 Years
Nanyang's annual 2025 AQI (104) shows an average percentage change of -3.1% (improved AQI) compared to previous years: 2020 (99), 2021 (110), 2022 (116), 2023 (105), 2024 (105).