Análise Histórica da Qualidade do Ar de Cotan, Xian, Shaanxi, China
Mergulhe em detalhes sobre a qualidade do ar com dados históricos, padrões mensais e tendências anuais ao seu alcance!
Análise da Qualidade do Ar de Novembro
Cotan, Xian, Shaanxi, China
Tendências do AQI: Mais Altos e Mais Baixos
Análise do Mesmo Dia (27th November ):
Neste dia, o AQI ao longo dos 3 anos variou significativamente: 2025 classificado como 1st mais alto AQI em 127 de Ruim qualidade do ar no mesmo dia.
Baixe os dados anuais de 2024
Relatório Mundial de Qualidade do Ar

Tendência de AQI Dia & Noite: 27th Nov - 28th Nov 2025
Cotan, Xian, Shaanxi, China
7 AM27th Nov 2025
5 PM
6 AM28th Nov 2025
154AQI
116AQI
185AQI
124AQI
Nas últimas 24 horas,
AQI de Cotan atingiu seu ponto mais alto de 185 às 6 AM durante o Noite, enquanto o ponto mais baixo, 116, foi registrado às 8 AM durante o Dia entre 27th Nov e 28th Nov 2025.
Tendência de AQI Dia & Noite : Oct - Nov 2025
Cotan, Xian, Shaanxi, China
15°C14/17°C
16°C13/21°C
17°C14/22°C
16°C12/20°C
15°C13/19°C
14°C11/18°C
16°C12/20°C
16°C12/20°C
15°C12/18°C
12°C11/12°C
13°C9/16°C
13°C10/17°C
12°C10/13°C
13°C9/17°C
13°C10/17°C
13°C10/16°C
13°C9/16°C
14°C11/18°C
11°C4/13°C
4°C2/7°C
4°C1/8°C
6°C2/11°C
9°C5/14°C
9°C6/14°C
10°C8/13°C
12°C9/17°C
9°C6/11°C
8°C4/12°C
9°C5/14°C
10°C5/16°C
--°C/°C
123AQI
111AQI
131AQI
106AQI
2025 Dias Vs Qualidade do Ar
Cotan, Xian, Shaanxi, China
3%
9
57%
190
30%
99
8%
28
1%
4
0.3%
1
Número total de dias com diferentes categorias de AQI nos últimos 332 dias em 2025 (33 dias restantes)
Dentro dos Limites de Qualidade do Ar Seguros da OMS: 3%
Nível de Risco à Saúde:
Extremo
Annual Air Quality Insights
Cotan, Xian, Shaanxi, China
Níveis de AQI em 2025
Jan.
Fev.
Mar.
Abr.
Maio
Jun.
Jul.
Ago.
Set.
Out.
Nov.
Dez.
142AQI
129AQI
146AQI
162AQI
147AQI
110AQI
115AQI
128AQI
90AQI
121AQI
94AQI
93AQI
141AQI
102AQI
84AQI
121AQI
127AQI
128AQI
154AQI
166AQI
172AQI
184AQI
174AQI
170AQI
104AQI
109AQI
87AQI
136AQI
188AQI
193AQI
221AQI
194AQI
170AQI
94AQI
113AQI
71AQI
95AQI
74AQI
68AQI
85AQI
124AQI
137AQI
101AQI
136AQI
121AQI
153AQI
108AQI
131AQI
140AQI
151AQI
152AQI
162AQI
170AQI
101AQI
124AQI
114AQI
130AQI
141AQI
158AQI
173AQI
105AQI
92AQI
97AQI
116AQI
119AQI
131AQI
140AQI
122AQI
139AQI
238AQI
193AQI
131AQI
118AQI
87AQI
75AQI
78AQI
70AQI
78AQI
81AQI
92AQI
99AQI
100AQI
90AQI
87AQI
146AQI
129AQI
140AQI
112AQI
114AQI
110AQI
102AQI
105AQI
122AQI
127AQI
103AQI
114AQI
96AQI
124AQI
128AQI
118AQI
136AQI
270AQI
135AQI
110AQI
95AQI
129AQI
126AQI
137AQI
124AQI
104AQI
104AQI
152AQI
117AQI
104AQI
109AQI
95AQI
85AQI
76AQI
77AQI
112AQI
108AQI
107AQI
85AQI
94AQI
132AQI
507AQI
165AQI
155AQI
112AQI
102AQI
87AQI
93AQI
73AQI
100AQI
97AQI
94AQI
224AQI
139AQI
129AQI
125AQI
117AQI
130AQI
89AQI
93AQI
83AQI
78AQI
87AQI
89AQI
86AQI
89AQI
76AQI
82AQI
69AQI
71AQI
72AQI
66AQI
71AQI
64AQI
68AQI
64AQI
68AQI
75AQI
75AQI
81AQI
76AQI
80AQI
81AQI
81AQI
82AQI
78AQI
76AQI
78AQI
78AQI
72AQI
72AQI
68AQI
64AQI
66AQI
62AQI
61AQI
57AQI
58AQI
54AQI
59AQI
57AQI
51AQI
52AQI
53AQI
55AQI
61AQI
63AQI
66AQI
68AQI
69AQI
68AQI
65AQI
67AQI
66AQI
63AQI
66AQI
59AQI
61AQI
68AQI
61AQI
54AQI
55AQI
58AQI
58AQI
58AQI
60AQI
63AQI
59AQI
63AQI
64AQI
66AQI
70AQI
68AQI
64AQI
67AQI
65AQI
59AQI
57AQI
60AQI
62AQI
63AQI
68AQI
63AQI
58AQI
55AQI
55AQI
57AQI
57AQI
61AQI
58AQI
57AQI
54AQI
64AQI
63AQI
61AQI
56AQI
51AQI
56AQI
57AQI
60AQI
61AQI
62AQI
47AQI
46AQI
63AQI
66AQI
63AQI
60AQI
64AQI
53AQI
54AQI
60AQI
63AQI
66AQI
63AQI
54AQI
53AQI
49AQI
61AQI
52AQI
54AQI
52AQI
55AQI
67AQI
70AQI
67AQI
53AQI
64AQI
77AQI
60AQI
54AQI
76AQI
80AQI
70AQI
53AQI
48AQI
69AQI
69AQI
46AQI
52AQI
46AQI
59AQI
104AQI
81AQI
70AQI
49AQI
60AQI
78AQI
66AQI
61AQI
79AQI
95AQI
118AQI
116AQI
81AQI
111AQI
122AQI
138AQI
124AQI
108AQI
94AQI
119AQI
135AQI
155AQI
151AQI
134AQI
104AQI
84AQI
91AQI
123AQI
154AQI
160AQI
123AQI
140AQI
161AQI
126AQI
40AQI
50AQI
79AQI
128AQI
142AQI
162AQI
118AQI
95AQI
107AQI
147AQI
127AQI
137AQI
126AQI
116AQI
118AQI
121AQI
72AQI
60AQI
61AQI
59AQI
79AQI
120AQI
No. of days
202597AQI
Maior AQI registrado em
Janeiro137AQI
Menor AQI registrado em
Setembro59AQI
202499AQI
Maior AQI registrado em
Fevereiro138AQI
Menor AQI registrado em
Julho65AQI
202396AQI
Maior AQI registrado em
Fevereiro140AQI
Menor AQI registrado em
Agosto58AQI
20219AQI
Maior AQI registrado em
Janeiro9AQI
Menor AQI registrado em
Janeiro9AQI
2020107AQI
Maior AQI registrado em
Dezembro155AQI
Menor AQI registrado em
Agosto69AQI
Anos Mais e Menos Poluídos Nos Últimos 5 Anos
Cotan tem um AQI médio anual de 2025 AQI (97), mostrando uma mudança percentual média de 240.7% (piorou AQI) em comparação aos anos anteriores: 2020 (107), 2021 (9), 2023 (96), 2024 (99).