Jianca Dalau, Luan, Anhui, 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
Jianca Dalau, Luan, Anhui, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Jianca Dalau, Luan, Anhui, China
5 AM3rd Jul 2025
7 PM
4 AM4th Jul 2025
AQI
AQI
58AQI
40AQI
In the last 24 hours,
Jianca Dalau's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 40, was recorded at 6 PM during the Night between 3rd Jul and 4th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Jianca Dalau, Luan, Anhui, China
26°C21/33°C
27°C21/34°C
28°C23/35°C
25°C23/28°C
24°C22/29°C
24°C21/27°C
22°C20/25°C
24°C21/28°C
23°C20/27°C
27°C22/34°C
28°C23/35°C
27°C23/32°C
27°C21/34°C
28°C22/36°C
29°C25/35°C
25°C23/25°C
25°C24/26°C
22°C19/23°C
21°C19/25°C
21°C19/22°C
22°C19/26°C
25°C20/30°C
25°C22/30°C
25°C22/29°C
24°C23/27°C
25°C24/27°C
28°C23/35°C
30°C26/37°C
31°C26/37°C
0°C0/0°C
0°C0/0°C
56AQI
56AQI
59AQI
59AQI
2025 Days Vs Air Quality
Jianca Dalau, Luan, Anhui, China
5%
10
52%
96
35%
64
7%
12
1%
2
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% 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
Jianca Dalau, Luan, Anhui, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
148AQI
196AQI
186AQI
194AQI
115AQI
146AQI
101AQI
117AQI
87AQI
103AQI
98AQI
106AQI
121AQI
148AQI
86AQI
109AQI
104AQI
124AQI
138AQI
154AQI
164AQI
202AQI
192AQI
145AQI
100AQI
113AQI
71AQI
94AQI
154AQI
117AQI
182AQI
151AQI
152AQI
166AQI
110AQI
114AQI
79AQI
89AQI
62AQI
73AQI
85AQI
114AQI
139AQI
107AQI
139AQI
106AQI
124AQI
124AQI
104AQI
131AQI
128AQI
113AQI
133AQI
144AQI
128AQI
147AQI
149AQI
121AQI
137AQI
111AQI
87AQI
73AQI
89AQI
106AQI
127AQI
110AQI
133AQI
146AQI
150AQI
146AQI
169AQI
137AQI
103AQI
100AQI
85AQI
70AQI
77AQI
70AQI
70AQI
67AQI
78AQI
90AQI
93AQI
90AQI
106AQI
116AQI
95AQI
117AQI
107AQI
96AQI
95AQI
97AQI
83AQI
98AQI
103AQI
84AQI
91AQI
91AQI
107AQI
99AQI
94AQI
248AQI
98AQI
97AQI
68AQI
83AQI
95AQI
95AQI
94AQI
107AQI
82AQI
118AQI
95AQI
96AQI
82AQI
78AQI
75AQI
105AQI
74AQI
82AQI
75AQI
76AQI
82AQI
73AQI
79AQI
125AQI
126AQI
91AQI
83AQI
67AQI
75AQI
75AQI
79AQI
100AQI
99AQI
85AQI
120AQI
91AQI
100AQI
85AQI
74AQI
79AQI
107AQI
108AQI
105AQI
107AQI
108AQI
117AQI
87AQI
85AQI
72AQI
60AQI
56AQI
70AQI
87AQI
71AQI
72AQI
61AQI
59AQI
56AQI
59AQI
74AQI
67AQI
70AQI
57AQI
49AQI
59AQI
59AQI
50AQI
47AQI
50AQI
46AQI
45AQI
54AQI
58AQI
62AQI
58AQI
52AQI
51AQI
45AQI
50AQI
50AQI
46AQI
53AQI
133AQI
120AQI
104AQI
97AQI
91AQI
58AQI
50AQI
No. of days
2025100AQI
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
July50AQI
202493AQI
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
July43AQI
202388AQI
Highest AQI recorded in
January138AQI
Lowest AQI recorded in
July38AQI
202293AQI
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
July47AQI
202192AQI
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
July45AQI
202091AQI
Highest AQI recorded in
December147AQI
Lowest AQI recorded in
August60AQI
Most & Least Polluted Years Over the Last 6 Years
Jianca Dalau's annual 2025 AQI (100) shows an average percentage change of 9.1% (worsened AQI) compared to previous years: 2020 (91), 2021 (92), 2022 (93), 2023 (88), 2024 (93).