Huazhou, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Huazhou, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 50 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Huazhou, Henan, China
6 AM23rd Sep 2025
6 PM
5 AM24th Sep 2025
AQI
AQI
56AQI
23AQI
In the last 24 hours,
Huazhou's AQI reached its highest point of 56 at 7 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Huazhou, Henan, China
25°C23/28°C
29°C24/36°C
30°C25/37°C
29°C25/37°C
27°C22/33°C
24°C22/26°C
25°C22/30°C
27°C22/32°C
28°C23/34°C
26°C22/30°C
24°C22/29°C
25°C22/30°C
22°C20/23°C
23°C20/29°C
21°C19/23°C
22°C19/26°C
23°C21/26°C
22°C18/24°C
20°C18/24°C
23°C19/28°C
25°C20/30°C
26°C22/30°C
27°C23/32°C
19°C16/20°C
16°C15/17°C
15°C14/16°C
18°C13/24°C
19°C16/21°C
16°C15/16°C
--°C/°C
--°C/°C
58AQI
51AQI
58AQI
54AQI
2025 Days Vs Air Quality
Huazhou, Henan, China
6%
16
51%
134
32%
85
10%
27
1%
3
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 266 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
Huazhou, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
169AQI
177AQI
175AQI
194AQI
153AQI
147AQI
134AQI
140AQI
112AQI
141AQI
132AQI
132AQI
156AQI
126AQI
105AQI
127AQI
133AQI
153AQI
157AQI
166AQI
177AQI
204AQI
171AQI
143AQI
145AQI
95AQI
104AQI
123AQI
194AQI
171AQI
177AQI
164AQI
164AQI
138AQI
133AQI
104AQI
102AQI
96AQI
78AQI
100AQI
128AQI
140AQI
113AQI
138AQI
141AQI
148AQI
120AQI
126AQI
120AQI
150AQI
148AQI
160AQI
159AQI
166AQI
155AQI
154AQI
156AQI
157AQI
165AQI
159AQI
96AQI
95AQI
90AQI
111AQI
120AQI
139AQI
139AQI
148AQI
144AQI
154AQI
141AQI
155AQI
108AQI
111AQI
87AQI
85AQI
78AQI
81AQI
75AQI
80AQI
83AQI
100AQI
95AQI
99AQI
125AQI
122AQI
108AQI
102AQI
104AQI
106AQI
108AQI
93AQI
110AQI
132AQI
110AQI
120AQI
115AQI
120AQI
128AQI
114AQI
115AQI
224AQI
144AQI
108AQI
108AQI
108AQI
120AQI
116AQI
105AQI
106AQI
99AQI
112AQI
125AQI
101AQI
109AQI
101AQI
101AQI
82AQI
90AQI
85AQI
96AQI
99AQI
82AQI
89AQI
84AQI
205AQI
144AQI
123AQI
111AQI
94AQI
93AQI
96AQI
104AQI
96AQI
103AQI
99AQI
127AQI
125AQI
132AQI
118AQI
111AQI
98AQI
111AQI
104AQI
108AQI
103AQI
110AQI
105AQI
99AQI
91AQI
78AQI
84AQI
80AQI
85AQI
90AQI
88AQI
91AQI
81AQI
77AQI
77AQI
76AQI
78AQI
81AQI
80AQI
74AQI
72AQI
73AQI
74AQI
61AQI
51AQI
57AQI
58AQI
50AQI
56AQI
60AQI
63AQI
52AQI
57AQI
55AQI
50AQI
54AQI
51AQI
50AQI
46AQI
52AQI
51AQI
54AQI
55AQI
63AQI
58AQI
59AQI
73AQI
75AQI
66AQI
64AQI
66AQI
68AQI
63AQI
63AQI
63AQI
64AQI
63AQI
59AQI
47AQI
45AQI
54AQI
56AQI
51AQI
54AQI
54AQI
57AQI
60AQI
63AQI
61AQI
64AQI
67AQI
68AQI
66AQI
63AQI
59AQI
52AQI
55AQI
52AQI
55AQI
50AQI
57AQI
52AQI
48AQI
52AQI
57AQI
56AQI
49AQI
51AQI
50AQI
54AQI
55AQI
59AQI
60AQI
59AQI
61AQI
60AQI
60AQI
54AQI
54AQI
58AQI
63AQI
60AQI
58AQI
59AQI
62AQI
50AQI
53AQI
60AQI
51AQI
47AQI
58AQI
58AQI
57AQI
62AQI
50AQI
48AQI
41AQI
51AQI
62AQI
50AQI
149AQI
137AQI
111AQI
114AQI
108AQI
70AQI
58AQI
57AQI
55AQI
No. of days
202596AQI
Highest AQI recorded in
January149AQI
Lowest AQI recorded in
September55AQI
202496AQI
Highest AQI recorded in
December138AQI
Lowest AQI recorded in
July56AQI
202397AQI
Highest AQI recorded in
December98AQI
Lowest AQI recorded in
November87AQI
2021137AQI
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
March96AQI
2020100AQI
Highest AQI recorded in
December153AQI
Lowest AQI recorded in
August63AQI
Most & Least Polluted Years Over the Last 5 Years
Huazhou's annual 2025 AQI (96) shows an average percentage change of -8.6% (improved AQI) compared to previous years: 2020 (100), 2021 (137), 2023 (97), 2024 (96).