Dengtalu, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Dengtalu, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 62 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Dengtalu, Henan, China
5 AM2nd Jul 2025
7 PM
4 AM3rd Jul 2025
65AQI
51AQI
66AQI
56AQI
In the last 24 hours,
Dengtalu's AQI reached its highest point of 66 at 2 AM during the Night, while the lowest point, 51, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Dengtalu, Henan, China
28°C20/36°C
30°C22/38°C
32°C23/40°C
34°C26/42°C
32°C27/38°C
29°C24/37°C
32°C24/42°C
30°C25/35°C
32°C24/39°C
32°C25/38°C
31°C23/39°C
29°C25/37°C
29°C23/36°C
29°C22/35°C
33°C24/41°C
31°C25/37°C
25°C23/26°C
28°C22/34°C
31°C24/38°C
33°C25/39°C
32°C27/36°C
32°C25/38°C
30°C27/35°C
24°C21/25°C
27°C19/36°C
27°C22/35°C
27°C23/34°C
29°C23/35°C
28°C25/35°C
32°C27/37°C
0°C0/0°C
79AQI
68AQI
76AQI
72AQI
2025 Days Vs Air Quality
Dengtalu, Henan, China
43%
78
43%
79
13%
24
0.5%
1
0.5%
1
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 184 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
Dengtalu, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
156AQI
135AQI
152AQI
167AQI
126AQI
100AQI
91AQI
75AQI
84AQI
108AQI
99AQI
86AQI
123AQI
110AQI
96AQI
107AQI
127AQI
146AQI
144AQI
167AQI
185AQI
139AQI
160AQI
159AQI
164AQI
109AQI
80AQI
97AQI
162AQI
149AQI
160AQI
159AQI
175AQI
144AQI
131AQI
89AQI
130AQI
68AQI
87AQI
108AQI
133AQI
153AQI
123AQI
123AQI
143AQI
132AQI
96AQI
117AQI
113AQI
111AQI
126AQI
142AQI
123AQI
82AQI
135AQI
111AQI
145AQI
152AQI
172AQI
186AQI
128AQI
102AQI
97AQI
132AQI
119AQI
146AQI
140AQI
153AQI
158AQI
161AQI
153AQI
155AQI
132AQI
121AQI
81AQI
78AQI
76AQI
93AQI
63AQI
72AQI
77AQI
112AQI
439AQI
241AQI
151AQI
128AQI
126AQI
91AQI
105AQI
105AQI
102AQI
71AQI
97AQI
130AQI
77AQI
122AQI
130AQI
122AQI
143AQI
128AQI
147AQI
149AQI
94AQI
77AQI
84AQI
134AQI
145AQI
120AQI
126AQI
117AQI
111AQI
90AQI
104AQI
71AQI
101AQI
96AQI
107AQI
80AQI
81AQI
111AQI
84AQI
111AQI
73AQI
82AQI
186AQI
105AQI
131AQI
122AQI
85AQI
81AQI
72AQI
85AQI
106AQI
90AQI
75AQI
106AQI
165AQI
96AQI
127AQI
118AQI
125AQI
122AQI
132AQI
89AQI
104AQI
100AQI
100AQI
104AQI
97AQI
92AQI
98AQI
117AQI
116AQI
78AQI
76AQI
83AQI
90AQI
103AQI
105AQI
97AQI
77AQI
87AQI
84AQI
87AQI
84AQI
63AQI
57AQI
64AQI
65AQI
66AQI
69AQI
66AQI
55AQI
61AQI
66AQI
75AQI
68AQI
76AQI
66AQI
68AQI
66AQI
60AQI
62AQI
128AQI
126AQI
133AQI
109AQI
105AQI
78AQI
61AQI
No. of days
2025113AQI
Highest AQI recorded in
March133AQI
Lowest AQI recorded in
July61AQI
2024115AQI
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
August77AQI
2023119AQI
Highest AQI recorded in
January164AQI
Lowest AQI recorded in
August75AQI
2022124AQI
Highest AQI recorded in
January175AQI
Lowest AQI recorded in
July71AQI
2021124AQI
Highest AQI recorded in
March196AQI
Lowest AQI recorded in
July73AQI
2020120AQI
Highest AQI recorded in
December176AQI
Lowest AQI recorded in
August84AQI
Most & Least Polluted Years Over the Last 6 Years
Dengtalu's annual 2025 AQI (113) shows an average percentage change of -6.4% (improved AQI) compared to previous years: 2020 (120), 2021 (124), 2022 (124), 2023 (119), 2024 (115).