Tan Z Kou, Chongqing, Chongqing, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Tan Z Kou, Chongqing, Chongqing, China
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 54 of Moderate air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Mar - 7th Mar 2026
Tan Z Kou, Chongqing, Chongqing, China
7 AM6th Mar 2026
6 PM
6 AM7th Mar 2026
74AQI
42AQI
65AQI
47AQI
In the last 24 hours,
Tan Z Kou's AQI reached its highest point of 74 at 11 AM during the Day, while the lowest point, 42, was recorded at 2 PM during the Day between 6th Mar and 7th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Tan Z Kou, Chongqing, Chongqing, China
13°C8/18°C
11°C10/12°C
10°C8/13°C
10°C9/13°C
10°C8/13°C
11°C7/17°C
12°C8/15°C
13°C8/19°C
15°C9/22°C
15°C13/18°C
13°C12/15°C
14°C11/17°C
12°C12/12°C
12°C10/15°C
15°C9/22°C
17°C11/23°C
18°C13/23°C
19°C15/22°C
17°C15/21°C
17°C15/21°C
17°C16/21°C
17°C14/22°C
17°C14/22°C
16°C13/17°C
14°C13/14°C
14°C13/15°C
16°C10/23°C
16°C13/19°C
16°C13/19°C
14°C13/14°C
102AQI
93AQI
115AQI
98AQI
2026 Days Vs Air Quality
Tan Z Kou, Chongqing, Chongqing, China
11%
7
26%
17
39%
26
24%
16
Total number of days with different AQI categories in last 67 days in 2026 (298 days remaining)
Under WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2026, 11% of 67 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
Tan Z Kou, Chongqing, Chongqing, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI (US)
60AQI (US)
65AQI (US)
106AQI (US)
103AQI (US)
119AQI (US)
132AQI (US)
132AQI (US)
151AQI (US)
164AQI (US)
162AQI (US)
175AQI (US)
169AQI (US)
173AQI (US)
169AQI (US)
176AQI (US)
180AQI (US)
185AQI (US)
168AQI (US)
46AQI (US)
47AQI (US)
81AQI (US)
114AQI (US)
121AQI (US)
131AQI (US)
111AQI (US)
117AQI (US)
145AQI (US)
146AQI (US)
94AQI (US)
45AQI (US)
86AQI (US)
112AQI (US)
115AQI (US)
134AQI (US)
138AQI (US)
151AQI (US)
150AQI (US)
85AQI (US)
60AQI (US)
108AQI (US)
94AQI (US)
124AQI (US)
131AQI (US)
135AQI (US)
154AQI (US)
133AQI (US)
160AQI (US)
165AQI (US)
155AQI (US)
132AQI (US)
129AQI (US)
137AQI (US)
150AQI (US)
71AQI (US)
68AQI (US)
85AQI (US)
85AQI (US)
18AQI (US)
37AQI (US)
85AQI (US)
46AQI (US)
44AQI (US)
77AQI (US)
65AQI (US)
54AQI (US)
124AQI (US)
117AQI (US)
58AQI (US)
No. of days
2026114AQI (US)
Highest AQI (US) recorded in
January124AQI (US)
Lowest AQI (US) recorded in
March58AQI (US)
202590AQI (US)
Highest AQI (US) recorded in
January154AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
2024102AQI (US)
Highest AQI (US) recorded in
January151AQI (US)
Lowest AQI (US) recorded in
July66AQI (US)
2023106AQI (US)
Highest AQI (US) recorded in
January161AQI (US)
Lowest AQI (US) recorded in
August67AQI (US)
2022102AQI (US)
Highest AQI (US) recorded in
November146AQI (US)
Lowest AQI (US) recorded in
July63AQI (US)
202199AQI (US)
Highest AQI (US) recorded in
January150AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
202085AQI (US)
Highest AQI (US) recorded in
December127AQI (US)
Lowest AQI (US) recorded in
September62AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tan Z Kou's annual 2026 AQI (US) (114) shows an average percentage change of 17.8% (worsened AQI (US)) compared to previous years: 2020 (85), 2021 (99), 2022 (102), 2023 (106), 2024 (102), 2025 (90).