Chennai US Consulate, Chennai, Tamil Nadu, India Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Chennai US Consulate, Chennai, Tamil Nadu, India
AQI Trends: Highest and Lowest
Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 70 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Chennai US Consulate, Chennai, Tamil Nadu, India
5 AM2nd Jul 2025
6 PM
4 AM3rd Jul 2025
AQI
AQI
84AQI
68AQI
In the last 24 hours,
Chennai US Consulate's AQI reached its highest point of 84 at 12 AM during the Night, while the lowest point, 68, was recorded at 6 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Chennai US Consulate, Chennai, Tamil Nadu, India
32°C30/36°C
31°C30/35°C
32°C30/34°C
31°C29/34°C
32°C30/34°C
31°C29/34°C
31°C29/36°C
31°C29/35°C
31°C28/35°C
30°C27/34°C
31°C29/34°C
31°C28/34°C
29°C27/31°C
30°C27/32°C
32°C29/35°C
32°C29/35°C
32°C30/35°C
32°C30/36°C
32°C31/36°C
31°C27/35°C
30°C29/33°C
31°C29/34°C
31°C29/34°C
31°C29/33°C
32°C29/35°C
32°C30/36°C
32°C29/36°C
32°C30/35°C
32°C30/36°C
0°C0/0°C
0°C0/0°C
79AQI
72AQI
80AQI
73AQI
2025 Days Vs Air Quality
Chennai US Consulate, Chennai, Tamil Nadu, India
73%
133
27%
49
Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 183 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
Chennai US Consulate, Chennai, Tamil Nadu, India
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
130AQI
134AQI
140AQI
145AQI
148AQI
149AQI
147AQI
147AQI
141AQI
145AQI
117AQI
121AQI
114AQI
87AQI
82AQI
132AQI
140AQI
133AQI
120AQI
140AQI
144AQI
145AQI
115AQI
115AQI
109AQI
105AQI
118AQI
136AQI
141AQI
134AQI
97AQI
91AQI
86AQI
83AQI
98AQI
110AQI
129AQI
134AQI
134AQI
138AQI
139AQI
112AQI
114AQI
97AQI
85AQI
81AQI
99AQI
119AQI
119AQI
130AQI
116AQI
96AQI
98AQI
89AQI
94AQI
105AQI
106AQI
98AQI
97AQI
79AQI
71AQI
72AQI
67AQI
77AQI
93AQI
104AQI
97AQI
102AQI
101AQI
85AQI
81AQI
76AQI
83AQI
69AQI
85AQI
87AQI
77AQI
84AQI
75AQI
81AQI
78AQI
77AQI
76AQI
87AQI
98AQI
114AQI
101AQI
104AQI
90AQI
93AQI
104AQI
83AQI
70AQI
75AQI
63AQI
64AQI
59AQI
63AQI
65AQI
80AQI
87AQI
95AQI
87AQI
73AQI
68AQI
72AQI
73AQI
69AQI
87AQI
79AQI
83AQI
75AQI
69AQI
72AQI
71AQI
69AQI
60AQI
54AQI
55AQI
61AQI
66AQI
68AQI
76AQI
74AQI
76AQI
74AQI
79AQI
91AQI
95AQI
90AQI
97AQI
95AQI
99AQI
93AQI
99AQI
95AQI
86AQI
82AQI
78AQI
85AQI
69AQI
89AQI
83AQI
69AQI
70AQI
70AQI
75AQI
85AQI
73AQI
79AQI
83AQI
81AQI
84AQI
77AQI
78AQI
89AQI
98AQI
100AQI
90AQI
87AQI
88AQI
91AQI
86AQI
79AQI
74AQI
70AQI
71AQI
72AQI
73AQI
73AQI
79AQI
73AQI
76AQI
72AQI
75AQI
74AQI
72AQI
69AQI
69AQI
69AQI
69AQI
70AQI
128AQI
107AQI
86AQI
73AQI
82AQI
79AQI
70AQI
No. of days
202592AQI
Highest AQI recorded in
January128AQI
Lowest AQI recorded in
July70AQI
202480AQI
Highest AQI recorded in
January122AQI
Lowest AQI recorded in
May55AQI
202393AQI
Highest AQI recorded in
January139AQI
Lowest AQI recorded in
September68AQI
202291AQI
Highest AQI recorded in
November125AQI
Lowest AQI recorded in
April42AQI
202183AQI
Highest AQI recorded in
December129AQI
Lowest AQI recorded in
May42AQI
202072AQI
Highest AQI recorded in
December120AQI
Lowest AQI recorded in
April37AQI
Most & Least Polluted Years Over the Last 6 Years
Chennai US Consulate's annual 2025 AQI (92) shows an average percentage change of 10.9% (worsened AQI) compared to previous years: 2020 (72), 2021 (83), 2022 (91), 2023 (93), 2024 (80).