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
Chongqing, Chongqing, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 79 of Moderate air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Mar - 13th Mar 2026
Chongqing, Chongqing, China
7 AM12th Mar 2026
6 PM
6 AM13th Mar 2026
89AQI
42AQI
88AQI
75AQI
In the last 24 hours,
Chongqing's AQI reached its highest point of 89 at 7 AM during the Day, while the lowest point, 42, was recorded at 3 PM during the Day between 12th Mar and 13th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Chongqing, Chongqing, China
13°C11/16°C
15°C10/19°C
15°C11/20°C
16°C15/19°C
13°C11/13°C
12°C10/16°C
12°C11/12°C
13°C11/17°C
16°C11/21°C
18°C13/24°C
20°C15/23°C
20°C18/23°C
18°C16/22°C
17°C16/20°C
17°C15/21°C
17°C15/21°C
17°C15/20°C
15°C13/16°C
14°C13/15°C
15°C14/16°C
17°C12/23°C
18°C16/20°C
17°C16/19°C
14°C13/15°C
13°C12/13°C
13°C12/14°C
16°C11/21°C
19°C13/24°C
19°C15/25°C
20°C16/24°C
92AQI
85AQI
97AQI
90AQI
2026 Days Vs Air Quality
Chongqing, Chongqing, China
6%
4
36%
26
42%
30
17%
12
Total number of days with different AQI categories in last 73 days in 2026 (292 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2026, 6% of 73 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
Chongqing, Chongqing, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
62AQI (US)
58AQI (US)
75AQI (US)
100AQI (US)
111AQI (US)
117AQI (US)
121AQI (US)
136AQI (US)
154AQI (US)
163AQI (US)
169AQI (US)
176AQI (US)
169AQI (US)
174AQI (US)
173AQI (US)
179AQI (US)
181AQI (US)
180AQI (US)
157AQI (US)
49AQI (US)
56AQI (US)
90AQI (US)
109AQI (US)
111AQI (US)
121AQI (US)
128AQI (US)
123AQI (US)
127AQI (US)
124AQI (US)
78AQI (US)
65AQI (US)
93AQI (US)
124AQI (US)
121AQI (US)
132AQI (US)
148AQI (US)
154AQI (US)
129AQI (US)
90AQI (US)
83AQI (US)
118AQI (US)
113AQI (US)
132AQI (US)
141AQI (US)
137AQI (US)
150AQI (US)
115AQI (US)
147AQI (US)
145AQI (US)
148AQI (US)
130AQI (US)
126AQI (US)
138AQI (US)
139AQI (US)
69AQI (US)
66AQI (US)
84AQI (US)
80AQI (US)
35AQI (US)
56AQI (US)
73AQI (US)
55AQI (US)
56AQI (US)
82AQI (US)
77AQI (US)
61AQI (US)
61AQI (US)
48AQI (US)
36AQI (US)
65AQI (US)
74AQI (US)
79AQI (US)
124AQI (US)
117AQI (US)
63AQI (US)
No. of days
2026110AQI (US)
Highest AQI (US) recorded in
January124AQI (US)
Lowest AQI (US) recorded in
March63AQI (US)
202589AQI (US)
Highest AQI (US) recorded in
January147AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
202489AQI (US)
Highest AQI (US) recorded in
January136AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
202395AQI (US)
Highest AQI (US) recorded in
January150AQI (US)
Lowest AQI (US) recorded in
July65AQI (US)
202294AQI (US)
Highest AQI (US) recorded in
December134AQI (US)
Lowest AQI (US) recorded in
July63AQI (US)
202194AQI (US)
Highest AQI (US) recorded in
January142AQI (US)
Lowest AQI (US) recorded in
August65AQI (US)
202081AQI (US)
Highest AQI (US) recorded in
December123AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chongqing's annual 2026 AQI (US) (110) shows an average percentage change of 22.3% (worsened AQI (US)) compared to previous years: 2020 (81), 2021 (94), 2022 (94), 2023 (95), 2024 (89), 2025 (89).