A Z, Jieyang, Guangdong, 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
A Z, Jieyang, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 43 of Good 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: 20th Sep - 21st Sep 2025
A Z, Jieyang, Guangdong, China
5 AM20th Sep 2025
6 PM
4 AM21st Sep 2025
AQI
AQI
54AQI
25AQI
In the last 24 hours,
A Z's AQI reached its highest point of 54 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
A Z, Jieyang, Guangdong, China
29°C25/33°C
29°C25/34°C
28°C25/32°C
28°C25/34°C
28°C24/34°C
27°C24/32°C
28°C24/33°C
28°C24/33°C
28°C24/32°C
28°C24/34°C
28°C25/34°C
28°C24/34°C
29°C25/34°C
28°C25/34°C
28°C25/33°C
29°C25/34°C
27°C24/30°C
26°C24/29°C
27°C24/31°C
28°C25/32°C
28°C25/33°C
28°C24/33°C
28°C24/34°C
28°C24/33°C
28°C24/33°C
28°C24/34°C
28°C25/33°C
27°C25/31°C
25°C24/26°C
--°C/°C
--°C/°C
55AQI
46AQI
55AQI
51AQI
2025 Days Vs Air Quality
A Z, Jieyang, Guangdong, China
22%
57
63%
166
15%
39
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 263 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
A Z, Jieyang, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
127AQI
128AQI
119AQI
105AQI
111AQI
115AQI
123AQI
123AQI
121AQI
102AQI
95AQI
78AQI
92AQI
96AQI
112AQI
123AQI
108AQI
114AQI
114AQI
107AQI
113AQI
112AQI
118AQI
88AQI
80AQI
57AQI
62AQI
73AQI
101AQI
89AQI
99AQI
83AQI
77AQI
57AQI
67AQI
86AQI
91AQI
58AQI
75AQI
68AQI
76AQI
90AQI
119AQI
100AQI
122AQI
97AQI
130AQI
113AQI
117AQI
79AQI
93AQI
88AQI
76AQI
55AQI
67AQI
102AQI
106AQI
128AQI
115AQI
111AQI
85AQI
84AQI
74AQI
69AQI
45AQI
57AQI
62AQI
72AQI
79AQI
98AQI
103AQI
81AQI
91AQI
71AQI
43AQI
89AQI
70AQI
89AQI
92AQI
96AQI
92AQI
111AQI
119AQI
109AQI
100AQI
81AQI
91AQI
52AQI
45AQI
35AQI
48AQI
61AQI
70AQI
90AQI
79AQI
92AQI
96AQI
126AQI
92AQI
90AQI
86AQI
73AQI
112AQI
112AQI
120AQI
109AQI
96AQI
89AQI
76AQI
80AQI
71AQI
71AQI
74AQI
65AQI
62AQI
62AQI
91AQI
68AQI
78AQI
81AQI
91AQI
91AQI
85AQI
80AQI
76AQI
67AQI
67AQI
79AQI
68AQI
65AQI
63AQI
70AQI
72AQI
73AQI
63AQI
53AQI
56AQI
56AQI
58AQI
59AQI
56AQI
59AQI
56AQI
55AQI
68AQI
71AQI
75AQI
71AQI
49AQI
58AQI
65AQI
67AQI
59AQI
52AQI
61AQI
65AQI
66AQI
70AQI
58AQI
65AQI
59AQI
57AQI
55AQI
48AQI
54AQI
50AQI
49AQI
47AQI
53AQI
43AQI
39AQI
38AQI
30AQI
36AQI
39AQI
44AQI
36AQI
39AQI
37AQI
41AQI
38AQI
38AQI
50AQI
47AQI
55AQI
44AQI
47AQI
62AQI
62AQI
59AQI
51AQI
42AQI
54AQI
57AQI
59AQI
62AQI
61AQI
69AQI
60AQI
53AQI
50AQI
47AQI
46AQI
49AQI
51AQI
53AQI
56AQI
61AQI
57AQI
54AQI
58AQI
54AQI
53AQI
50AQI
46AQI
44AQI
44AQI
50AQI
54AQI
60AQI
60AQI
47AQI
45AQI
48AQI
55AQI
39AQI
44AQI
45AQI
44AQI
37AQI
40AQI
45AQI
50AQI
56AQI
53AQI
49AQI
54AQI
52AQI
49AQI
50AQI
50AQI
47AQI
55AQI
55AQI
62AQI
60AQI
60AQI
61AQI
62AQI
48AQI
43AQI
44AQI
51AQI
54AQI
54AQI
51AQI
55AQI
54AQI
58AQI
57AQI
54AQI
43AQI
103AQI
91AQI
81AQI
84AQI
67AQI
50AQI
54AQI
49AQI
54AQI
No. of days
202571AQI
Highest AQI recorded in
January103AQI
Lowest AQI recorded in
August49AQI
202475AQI
Highest AQI recorded in
January114AQI
Lowest AQI recorded in
July41AQI
202379AQI
Highest AQI recorded in
February109AQI
Lowest AQI recorded in
July47AQI
202276AQI
Highest AQI recorded in
January103AQI
Lowest AQI recorded in
June43AQI
202181AQI
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
June51AQI
202074AQI
Highest AQI recorded in
March102AQI
Lowest AQI recorded in
June44AQI
Most & Least Polluted Years Over the Last 6 Years
A Z's annual 2025 AQI (71) shows an average percentage change of -8.1% (improved AQI) compared to previous years: 2020 (74), 2021 (81), 2022 (76), 2023 (79), 2024 (75).