Tunchang County Hongqi Middle School Substation, Jiaji, Hainan, 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
Tunchang County Hongqi Middle School Substation, Jiaji, Hainan, China
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 11th Jul - 12th Jul 2026
Tunchang County Hongqi Middle School Substation, Jiaji, Hainan, China
6 AM11th Jul 2026
7 PM
5 AM12th Jul 2026
33AQI
20AQI
30AQI
26AQI
In the last 24 hours,
Tunchang County Hongqi Middle School Substation's AQI reached its highest point of 33 at 8 AM during the Day, while the lowest point, 20, was recorded at 5 PM during the Day between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Tunchang County Hongqi Middle School Substation, Jiaji, Hainan, China
30°C25/38°C
30°C26/36°C
29°C25/37°C
27°C25/32°C
27°C25/31°C
29°C26/35°C
30°C26/36°C
30°C26/37°C
30°C25/37°C
31°C24/39°C
32°C26/40°C
32°C26/40°C
31°C26/39°C
30°C26/38°C
30°C26/36°C
29°C25/37°C
29°C26/37°C
29°C25/37°C
28°C25/35°C
28°C25/32°C
26°C24/29°C
25°C24/26°C
27°C25/30°C
27°C25/30°C
26°C24/29°C
28°C24/32°C
28°C24/33°C
28°C24/33°C
28°C25/33°C
28°C25/33°C
29AQI
23AQI
29AQI
24AQI
2026 Days Vs Air Quality
Tunchang County Hongqi Middle School Substation, Jiaji, Hainan, China
54%
105
46%
88
Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)
Under WHO’s Safe Air Quality Limits: 54%
Health Risk Level:
Considerable
In 2026, 54% of 194 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Tunchang County Hongqi Middle School Substation, Jiaji, Hainan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI (US)
82AQI (US)
57AQI (US)
60AQI (US)
62AQI (US)
98AQI (US)
89AQI (US)
69AQI (US)
72AQI (US)
83AQI (US)
80AQI (US)
80AQI (US)
75AQI (US)
87AQI (US)
73AQI (US)
67AQI (US)
72AQI (US)
82AQI (US)
55AQI (US)
65AQI (US)
80AQI (US)
79AQI (US)
76AQI (US)
69AQI (US)
39AQI (US)
47AQI (US)
49AQI (US)
69AQI (US)
47AQI (US)
44AQI (US)
36AQI (US)
62AQI (US)
63AQI (US)
61AQI (US)
60AQI (US)
40AQI (US)
23AQI (US)
38AQI (US)
54AQI (US)
41AQI (US)
51AQI (US)
33AQI (US)
34AQI (US)
49AQI (US)
46AQI (US)
48AQI (US)
53AQI (US)
64AQI (US)
56AQI (US)
50AQI (US)
49AQI (US)
58AQI (US)
44AQI (US)
43AQI (US)
49AQI (US)
54AQI (US)
49AQI (US)
53AQI (US)
21AQI (US)
17AQI (US)
45AQI (US)
60AQI (US)
11AQI (US)
17AQI (US)
53AQI (US)
52AQI (US)
49AQI (US)
58AQI (US)
40AQI (US)
53AQI (US)
72AQI (US)
67AQI (US)
56AQI (US)
70AQI (US)
61AQI (US)
43AQI (US)
37AQI (US)
32AQI (US)
48AQI (US)
48AQI (US)
44AQI (US)
45AQI (US)
56AQI (US)
52AQI (US)
58AQI (US)
71AQI (US)
75AQI (US)
64AQI (US)
41AQI (US)
41AQI (US)
76AQI (US)
70AQI (US)
66AQI (US)
83AQI (US)
85AQI (US)
85AQI (US)
80AQI (US)
84AQI (US)
51AQI (US)
51AQI (US)
76AQI (US)
73AQI (US)
69AQI (US)
73AQI (US)
39AQI (US)
44AQI (US)
54AQI (US)
49AQI (US)
59AQI (US)
58AQI (US)
58AQI (US)
56AQI (US)
84AQI (US)
77AQI (US)
35AQI (US)
44AQI (US)
32AQI (US)
47AQI (US)
53AQI (US)
32AQI (US)
53AQI (US)
56AQI (US)
54AQI (US)
35AQI (US)
39AQI (US)
34AQI (US)
36AQI (US)
32AQI (US)
31AQI (US)
36AQI (US)
41AQI (US)
38AQI (US)
43AQI (US)
41AQI (US)
46AQI (US)
70AQI (US)
56AQI (US)
54AQI (US)
44AQI (US)
61AQI (US)
72AQI (US)
74AQI (US)
65AQI (US)
64AQI (US)
58AQI (US)
42AQI (US)
28AQI (US)
28AQI (US)
53AQI (US)
49AQI (US)
34AQI (US)
43AQI (US)
35AQI (US)
36AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
29AQI (US)
44AQI (US)
34AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
23AQI (US)
33AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
21AQI (US)
25AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
68AQI (US)
48AQI (US)
50AQI (US)
61AQI (US)
47AQI (US)
28AQI (US)
24AQI (US)
No. of days
202649AQI (US)
Highest AQI (US) recorded in
January68AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202557AQI (US)
Highest AQI (US) recorded in
January86AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202449AQI (US)
Highest AQI (US) recorded in
December83AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202361AQI (US)
Highest AQI (US) recorded in
November80AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
202247AQI (US)
Highest AQI (US) recorded in
September65AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
202154AQI (US)
Highest AQI (US) recorded in
January94AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202056AQI (US)
Highest AQI (US) recorded in
December92AQI (US)
Lowest AQI (US) recorded in
June35AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tunchang County Hongqi Middle School Substation's annual 2026 AQI (US) (49) shows an average percentage change of -8.5% (improved AQI (US)) compared to previous years: 2020 (56), 2021 (54), 2022 (47), 2023 (61), 2024 (49), 2025 (57).