Tobacco Factory, Zhangjiakou, Hebei, 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
Tobacco Factory, Zhangjiakou, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 62 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Tobacco Factory, Zhangjiakou, Hebei, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
70AQI
60AQI
In the last 24 hours,
Tobacco Factory's AQI reached its highest point of 70 at 11 AM during the Night, while the lowest point, 60, was recorded at 10 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tobacco Factory, Zhangjiakou, Hebei, China
24°C21/28°C
24°C19/29°C
22°C18/27°C
24°C19/29°C
23°C20/27°C
23°C20/28°C
25°C20/31°C
26°C21/31°C
27°C21/33°C
25°C21/29°C
25°C19/32°C
24°C21/28°C
25°C18/32°C
26°C20/32°C
22°C20/25°C
23°C18/28°C
24°C19/30°C
24°C19/30°C
24°C18/30°C
21°C20/24°C
22°C20/25°C
21°C19/24°C
23°C20/26°C
25°C19/30°C
24°C19/29°C
21°C16/26°C
20°C18/21°C
23°C17/30°C
24°C19/30°C
--°C/°C
--°C/°C
61AQI
50AQI
61AQI
61AQI
2025 Days Vs Air Quality
Tobacco Factory, Zhangjiakou, Hebei, China
21%
45
72%
154
7%
14
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 215 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
Tobacco Factory, Zhangjiakou, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
57AQI
50AQI
57AQI
56AQI
55AQI
39AQI
43AQI
37AQI
45AQI
44AQI
61AQI
53AQI
57AQI
46AQI
53AQI
61AQI
78AQI
66AQI
61AQI
76AQI
53AQI
88AQI
102AQI
115AQI
140AQI
104AQI
72AQI
59AQI
72AQI
101AQI
115AQI
125AQI
71AQI
66AQI
54AQI
49AQI
54AQI
39AQI
44AQI
49AQI
84AQI
97AQI
56AQI
71AQI
71AQI
79AQI
46AQI
55AQI
46AQI
47AQI
45AQI
45AQI
42AQI
40AQI
63AQI
47AQI
67AQI
92AQI
88AQI
112AQI
74AQI
68AQI
70AQI
65AQI
54AQI
76AQI
87AQI
118AQI
136AQI
155AQI
81AQI
130AQI
92AQI
80AQI
51AQI
53AQI
52AQI
46AQI
41AQI
44AQI
55AQI
161AQI
66AQI
70AQI
119AQI
60AQI
58AQI
41AQI
48AQI
47AQI
46AQI
46AQI
60AQI
61AQI
45AQI
67AQI
56AQI
58AQI
58AQI
66AQI
125AQI
69AQI
67AQI
57AQI
55AQI
87AQI
66AQI
60AQI
57AQI
86AQI
79AQI
53AQI
57AQI
46AQI
53AQI
66AQI
43AQI
46AQI
51AQI
42AQI
44AQI
51AQI
39AQI
52AQI
94AQI
65AQI
78AQI
86AQI
61AQI
69AQI
62AQI
70AQI
68AQI
63AQI
67AQI
84AQI
69AQI
61AQI
59AQI
76AQI
76AQI
105AQI
75AQI
70AQI
72AQI
64AQI
70AQI
69AQI
78AQI
86AQI
72AQI
79AQI
40AQI
44AQI
36AQI
45AQI
36AQI
40AQI
39AQI
52AQI
51AQI
62AQI
80AQI
79AQI
75AQI
54AQI
50AQI
61AQI
65AQI
62AQI
59AQI
53AQI
49AQI
52AQI
55AQI
59AQI
64AQI
65AQI
65AQI
65AQI
64AQI
62AQI
61AQI
58AQI
61AQI
56AQI
54AQI
56AQI
58AQI
62AQI
61AQI
68AQI
70AQI
61AQI
62AQI
64AQI
58AQI
55AQI
57AQI
66AQI
52AQI
51AQI
50AQI
61AQI
53AQI
57AQI
59AQI
55AQI
62AQI
52AQI
47AQI
59AQI
66AQI
66AQI
62AQI
68AQI
62AQI
78AQI
61AQI
70AQI
57AQI
58AQI
65AQI
No. of days
202565AQI
Highest AQI recorded in
March78AQI
Lowest AQI recorded in
June57AQI
202464AQI
Highest AQI recorded in
April77AQI
Lowest AQI recorded in
September45AQI
202371AQI
Highest AQI recorded in
April88AQI
Lowest AQI recorded in
October55AQI
202268AQI
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
July52AQI
202183AQI
Highest AQI recorded in
March135AQI
Lowest AQI recorded in
July45AQI
202074AQI
Highest AQI recorded in
November87AQI
Lowest AQI recorded in
September54AQI
Most & Least Polluted Years Over the Last 6 Years
Tobacco Factory's annual 2025 AQI (65) shows an average percentage change of -8.9% (improved AQI) compared to previous years: 2020 (74), 2021 (83), 2022 (68), 2023 (71), 2024 (64).