City Environmental Monitoring Station, Dazhou, Sichuan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
City Environmental Monitoring Station, Dazhou, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (8th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 102 of Poor air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Feb - 8th Feb 2026
City Environmental Monitoring Station, Dazhou, Sichuan, China
7 AM7th Feb 2026
6 PM
6 AM8th Feb 2026
154AQI
73AQI
114AQI
104AQI
In the last 24 hours,
City Environmental Monitoring Station's AQI reached its highest point of 154 at 2 PM during the Day, while the lowest point, 73, was recorded at 10 AM during the Day between 7th Feb and 8th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
City Environmental Monitoring Station, Dazhou, Sichuan, China
8°C3/13°C
8°C4/13°C
10°C7/15°C
10°C6/15°C
11°C9/16°C
10°C6/16°C
12°C8/18°C
13°C8/18°C
15°C12/19°C
8°C3/11°C
3°C1/5°C
4°C2/6°C
5°C3/7°C
7°C3/11°C
7°C2/12°C
9°C7/10°C
10°C8/12°C
10°C7/13°C
8°C5/12°C
9°C7/9°C
6°C4/7°C
7°C5/9°C
7°C3/12°C
9°C4/13°C
10°C8/11°C
9°C7/12°C
9°C5/13°C
12°C8/16°C
9°C6/12°C
9°C5/12°C
126AQI
125AQI
135AQI
124AQI
2026 Days Vs Air Quality
City Environmental Monitoring Station, Dazhou, Sichuan, China
8%
3
13%
5
46%
18
33%
13
Total number of days with different AQI categories in last 40 days in 2026 (325 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2026, 8% of 40 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
City Environmental Monitoring Station, Dazhou, Sichuan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI (US)
65AQI (US)
85AQI (US)
125AQI (US)
132AQI (US)
136AQI (US)
151AQI (US)
164AQI (US)
163AQI (US)
153AQI (US)
169AQI (US)
181AQI (US)
174AQI (US)
173AQI (US)
179AQI (US)
169AQI (US)
178AQI (US)
177AQI (US)
106AQI (US)
48AQI (US)
83AQI (US)
111AQI (US)
145AQI (US)
137AQI (US)
136AQI (US)
142AQI (US)
111AQI (US)
110AQI (US)
101AQI (US)
26AQI (US)
53AQI (US)
96AQI (US)
110AQI (US)
134AQI (US)
146AQI (US)
160AQI (US)
149AQI (US)
119AQI (US)
102AQI (US)
127AQI (US)
127AQI (US)
No. of days
2026127AQI (US)
Highest AQI (US) recorded in
February127AQI (US)
Lowest AQI (US) recorded in
January127AQI (US)
202583AQI (US)
Highest AQI (US) recorded in
January152AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202474AQI (US)
Highest AQI (US) recorded in
January134AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202378AQI (US)
Highest AQI (US) recorded in
January157AQI (US)
Lowest AQI (US) recorded in
July44AQI (US)
202282AQI (US)
Highest AQI (US) recorded in
January168AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
202186AQI (US)
Highest AQI (US) recorded in
January157AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202085AQI (US)
Highest AQI (US) recorded in
December138AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
Most & Least Polluted Years Over the Last 7 Years
City Environmental Monitoring Station's annual 2026 AQI (US) (127) shows an average percentage change of 56.08% (worsened AQI (US)) compared to previous years: 2020 (85), 2021 (86), 2022 (82), 2023 (78), 2024 (74), 2025 (83).