City Environmental Monitoring Station, Zhoukou, 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
City Environmental Monitoring Station, Zhoukou, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 49 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 11th Jul - 12th Jul 2026
City Environmental Monitoring Station, Zhoukou, Henan, China
5 AM11th Jul 2026
7 PM
4 AM12th Jul 2026
50AQI
20AQI
62AQI
19AQI
In the last 24 hours,
City Environmental Monitoring Station's AQI reached its highest point of 62 at 4 AM during the Night, while the lowest point, 19, was recorded at 9 PM during the Night between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
City Environmental Monitoring Station, Zhoukou, Henan, China
27°C20/33°C
29°C22/35°C
29°C24/36°C
29°C23/35°C
30°C24/36°C
27°C22/31°C
21°C20/21°C
25°C19/32°C
25°C18/32°C
20°C19/22°C
24°C19/30°C
24°C21/30°C
27°C20/32°C
27°C22/32°C
30°C23/37°C
31°C25/37°C
32°C26/38°C
31°C26/36°C
31°C25/37°C
30°C26/37°C
26°C23/30°C
29°C24/35°C
30°C25/36°C
30°C25/36°C
29°C24/35°C
32°C26/39°C
32°C27/38°C
32°C28/38°C
33°C27/39°C
31°C26/36°C
55AQI
42AQI
50AQI
45AQI
2026 Days Vs Air Quality
City Environmental Monitoring Station, Zhoukou, Henan, China
16%
30
44%
84
27%
52
14%
27
Total number of days with different AQI categories in last 193 days in 2026 (172 days remaining)
Under WHO’s Safe Air Quality Limits: 16%
Health Risk Level:
Extreme
In 2026, 16% of 193 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
City Environmental Monitoring Station, Zhoukou, Henan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
99AQI (US)
158AQI (US)
153AQI (US)
154AQI (US)
188AQI (US)
103AQI (US)
60AQI (US)
112AQI (US)
92AQI (US)
86AQI (US)
56AQI (US)
92AQI (US)
136AQI (US)
175AQI (US)
134AQI (US)
153AQI (US)
152AQI (US)
104AQI (US)
95AQI (US)
76AQI (US)
102AQI (US)
136AQI (US)
151AQI (US)
161AQI (US)
170AQI (US)
173AQI (US)
173AQI (US)
144AQI (US)
149AQI (US)
160AQI (US)
163AQI (US)
152AQI (US)
155AQI (US)
154AQI (US)
159AQI (US)
166AQI (US)
103AQI (US)
112AQI (US)
138AQI (US)
110AQI (US)
115AQI (US)
104AQI (US)
133AQI (US)
148AQI (US)
144AQI (US)
106AQI (US)
81AQI (US)
115AQI (US)
134AQI (US)
120AQI (US)
106AQI (US)
97AQI (US)
98AQI (US)
92AQI (US)
63AQI (US)
76AQI (US)
80AQI (US)
138AQI (US)
118AQI (US)
98AQI (US)
93AQI (US)
95AQI (US)
142AQI (US)
118AQI (US)
146AQI (US)
122AQI (US)
134AQI (US)
162AQI (US)
156AQI (US)
162AQI (US)
178AQI (US)
159AQI (US)
159AQI (US)
97AQI (US)
142AQI (US)
142AQI (US)
138AQI (US)
113AQI (US)
145AQI (US)
132AQI (US)
136AQI (US)
154AQI (US)
158AQI (US)
135AQI (US)
122AQI (US)
112AQI (US)
102AQI (US)
110AQI (US)
116AQI (US)
112AQI (US)
114AQI (US)
84AQI (US)
60AQI (US)
62AQI (US)
86AQI (US)
91AQI (US)
77AQI (US)
52AQI (US)
55AQI (US)
82AQI (US)
92AQI (US)
99AQI (US)
72AQI (US)
49AQI (US)
72AQI (US)
109AQI (US)
108AQI (US)
94AQI (US)
87AQI (US)
93AQI (US)
63AQI (US)
64AQI (US)
61AQI (US)
38AQI (US)
53AQI (US)
59AQI (US)
111AQI (US)
64AQI (US)
67AQI (US)
67AQI (US)
70AQI (US)
55AQI (US)
48AQI (US)
49AQI (US)
57AQI (US)
61AQI (US)
80AQI (US)
59AQI (US)
56AQI (US)
66AQI (US)
77AQI (US)
104AQI (US)
121AQI (US)
100AQI (US)
69AQI (US)
75AQI (US)
63AQI (US)
56AQI (US)
53AQI (US)
63AQI (US)
69AQI (US)
82AQI (US)
73AQI (US)
71AQI (US)
66AQI (US)
43AQI (US)
44AQI (US)
69AQI (US)
49AQI (US)
48AQI (US)
61AQI (US)
83AQI (US)
111AQI (US)
113AQI (US)
72AQI (US)
67AQI (US)
91AQI (US)
43AQI (US)
47AQI (US)
41AQI (US)
52AQI (US)
73AQI (US)
65AQI (US)
34AQI (US)
53AQI (US)
54AQI (US)
38AQI (US)
58AQI (US)
87AQI (US)
46AQI (US)
45AQI (US)
63AQI (US)
36AQI (US)
46AQI (US)
41AQI (US)
54AQI (US)
45AQI (US)
73AQI (US)
84AQI (US)
82AQI (US)
95AQI (US)
65AQI (US)
48AQI (US)
44AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
23AQI (US)
33AQI (US)
25AQI (US)
37AQI (US)
39AQI (US)
49AQI (US)
131AQI (US)
118AQI (US)
132AQI (US)
76AQI (US)
66AQI (US)
63AQI (US)
35AQI (US)
No. of days
202694AQI (US)
Highest AQI (US) recorded in
March132AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
2025105AQI (US)
Highest AQI (US) recorded in
January151AQI (US)
Lowest AQI (US) recorded in
September57AQI (US)
2024111AQI (US)
Highest AQI (US) recorded in
January172AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
2023116AQI (US)
Highest AQI (US) recorded in
January172AQI (US)
Lowest AQI (US) recorded in
July65AQI (US)
2022113AQI (US)
Highest AQI (US) recorded in
January182AQI (US)
Lowest AQI (US) recorded in
August44AQI (US)
2021108AQI (US)
Highest AQI (US) recorded in
January172AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
2020101AQI (US)
Highest AQI (US) recorded in
December162AQI (US)
Lowest AQI (US) recorded in
August65AQI (US)
Most & Least Polluted Years Over the Last 7 Years
City Environmental Monitoring Station's annual 2026 AQI (US) (94) shows an average percentage change of -13.5% (improved AQI (US)) compared to previous years: 2020 (101), 2021 (108), 2022 (113), 2023 (116), 2024 (111), 2025 (105).