Food Building, Longquan, Zhejiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Food Building, Longquan, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Food Building, Longquan, Zhejiang, China
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
AQI
AQI
60AQI
55AQI
In the last 24 hours,
Food Building's AQI reached its highest point of 60 at 1 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Food Building, Longquan, Zhejiang, China
25°C16/35°C
24°C15/35°C
22°C16/31°C
21°C15/27°C
22°C15/29°C
22°C15/32°C
23°C16/28°C
21°C16/29°C
23°C15/33°C
26°C16/35°C
26°C18/34°C
26°C18/33°C
24°C17/33°C
21°C17/26°C
23°C18/28°C
22°C16/25°C
20°C15/25°C
22°C15/31°C
24°C16/33°C
23°C16/30°C
23°C20/28°C
25°C18/31°C
23°C16/30°C
24°C16/33°C
24°C17/34°C
24°C16/34°C
25°C16/34°C
25°C17/33°C
27°C23/32°C
--°C/°C
--°C/°C
47AQI
47AQI
50AQI
50AQI
2025 Days Vs Air Quality
Food Building, Longquan, Zhejiang, China
13%
27
72%
155
15%
33
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 216 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
Food Building, Longquan, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
143AQI
125AQI
131AQI
132AQI
135AQI
130AQI
131AQI
128AQI
117AQI
96AQI
104AQI
96AQI
94AQI
96AQI
121AQI
89AQI
96AQI
91AQI
89AQI
91AQI
120AQI
123AQI
112AQI
107AQI
92AQI
63AQI
70AQI
81AQI
114AQI
91AQI
94AQI
68AQI
67AQI
82AQI
86AQI
80AQI
91AQI
78AQI
65AQI
70AQI
82AQI
83AQI
92AQI
112AQI
120AQI
115AQI
101AQI
108AQI
90AQI
88AQI
62AQI
59AQI
61AQI
66AQI
90AQI
113AQI
106AQI
101AQI
85AQI
81AQI
82AQI
77AQI
61AQI
63AQI
62AQI
82AQI
80AQI
101AQI
91AQI
121AQI
93AQI
71AQI
66AQI
45AQI
69AQI
67AQI
68AQI
76AQI
75AQI
79AQI
76AQI
86AQI
94AQI
105AQI
122AQI
110AQI
88AQI
79AQI
73AQI
80AQI
72AQI
79AQI
83AQI
95AQI
94AQI
87AQI
93AQI
97AQI
104AQI
87AQI
92AQI
112AQI
105AQI
106AQI
90AQI
90AQI
97AQI
96AQI
81AQI
83AQI
82AQI
69AQI
74AQI
63AQI
53AQI
58AQI
58AQI
68AQI
79AQI
82AQI
87AQI
82AQI
91AQI
83AQI
73AQI
82AQI
90AQI
76AQI
75AQI
73AQI
77AQI
73AQI
72AQI
75AQI
86AQI
78AQI
75AQI
64AQI
68AQI
61AQI
60AQI
68AQI
63AQI
76AQI
87AQI
93AQI
90AQI
74AQI
65AQI
68AQI
70AQI
63AQI
63AQI
58AQI
66AQI
64AQI
67AQI
71AQI
68AQI
65AQI
63AQI
54AQI
55AQI
48AQI
54AQI
57AQI
56AQI
58AQI
51AQI
53AQI
47AQI
51AQI
56AQI
51AQI
50AQI
53AQI
52AQI
52AQI
49AQI
52AQI
50AQI
47AQI
43AQI
49AQI
54AQI
54AQI
51AQI
51AQI
52AQI
49AQI
48AQI
47AQI
47AQI
49AQI
53AQI
57AQI
59AQI
61AQI
58AQI
46AQI
44AQI
40AQI
39AQI
39AQI
39AQI
40AQI
40AQI
41AQI
37AQI
40AQI
46AQI
46AQI
55AQI
60AQI
56AQI
107AQI
86AQI
81AQI
84AQI
76AQI
57AQI
47AQI
57AQI
No. of days
202577AQI
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
July47AQI
202462AQI
Highest AQI recorded in
December110AQI
Lowest AQI recorded in
July47AQI
202361AQI
Highest AQI recorded in
November65AQI
Lowest AQI recorded in
December60AQI
202257AQI
Highest AQI recorded in
August69AQI
Lowest AQI recorded in
June41AQI
202158AQI
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
August40AQI
202059AQI
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
June36AQI
Most & Least Polluted Years Over the Last 6 Years
Food Building's annual 2025 AQI (77) shows an average percentage change of 29.1% (worsened AQI) compared to previous years: 2020 (59), 2021 (58), 2022 (57), 2023 (61), 2024 (62).