Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Feb
Sun
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Real-time AQI (Monitoring Station in Zhangjiajie)
永定新区
3021
PM2.5
26
PM10
56
O3
0.5
CO
2
SO2
10
NO2
未央路
2014
PM2.5
15
PM10
41
O3
0.6
CO
2
SO2
18
NO2
Air quality in the last 12 months (Zhangjiajie)
|
2025/01
|
94
|
142
|
143
|
199
|
109
|
84
|
74
|
61
|
75
|
88
|
91
|
73
|
102
|
118
|
86
|
69
|
79
|
80
|
80
|
78
|
89
|
122
|
179
|
138
|
22
|
33
|
43
|
88
|
112
|
72
|
80
|
|
2024/12
|
40
|
56
|
91
|
80
|
42
|
40
|
54
|
48
|
59
|
63
|
61
|
82
|
98
|
65
|
66
|
58
|
61
|
91
|
82
|
94
|
106
|
77
|
69
|
85
|
109
|
110
|
108
|
120
|
128
|
127
|
92
|
|
2024/11
|
49
|
65
|
62
|
56
|
77
|
66
|
55
|
59
|
59
|
42
|
46
|
79
|
69
|
73
|
80
|
51
|
13
|
13
|
16
|
25
|
30
|
43
|
64
|
54
|
23
|
28
|
28
|
27
|
34
|
37
|
|
|
2024/10
|
17
|
41
|
46
|
38
|
46
|
51
|
36
|
36
|
44
|
46
|
65
|
75
|
50
|
39
|
32
|
40
|
23
|
13
|
21
|
29
|
15
|
18
|
21
|
25
|
35
|
39
|
43
|
43
|
44
|
60
|
56
|
|
2024/09
|
27
|
32
|
49
|
53
|
49
|
45
|
45
|
44
|
36
|
46
|
43
|
45
|
29
|
39
|
40
|
32
|
28
|
26
|
34
|
34
|
31
|
30
|
35
|
39
|
48
|
72
|
65
|
73
|
62
|
42
|
|
|
2024/08
|
12
|
16
|
13
|
13
|
16
|
21
|
24
|
25
|
25
|
27
|
59
|
58
|
38
|
34
|
37
|
35
|
27
|
28
|
22
|
25
|
32
|
28
|
22
|
19
|
24
|
23
|
24
|
21
|
27
|
36
|
26
|
|
2024/07
|
20
|
17
|
22
|
16
|
18
|
14
|
13
|
16
|
20
|
25
|
31
|
24
|
26
|
28
|
24
|
21
|
19
|
22
|
13
|
12
|
17
|
19
|
19
|
18
|
29
|
25
|
19
|
22
|
13
|
15
|
14
|
|
2024/06
|
33
|
33
|
32
|
22
|
15
|
24
|
35
|
31
|
23
|
19
|
22
|
18
|
21
|
27
|
36
|
36
|
28
|
25
|
28
|
23
|
28
|
17
|
16
|
17
|
23
|
23
|
17
|
13
|
12
|
18
|
|
|
2024/05
|
25
|
37
|
27
|
15
|
19
|
30
|
46
|
57
|
55
|
44
|
46
|
59
|
51
|
48
|
61
|
68
|
51
|
38
|
22
|
19
|
38
|
46
|
40
|
34
|
38
|
32
|
31
|
43
|
27
|
13
|
28
|
|
2024/04
|
35
|
21
|
36
|
49
|
47
|
45
|
39
|
35
|
38
|
41
|
38
|
29
|
20
|
25
|
41
|
27
|
23
|
44
|
21
|
35
|
52
|
45
|
40
|
38
|
28
|
29
|
39
|
35
|
35
|
16
|
|
|
2024/03
|
90
|
73
|
65
|
68
|
50
|
82
|
94
|
73
|
78
|
67
|
54
|
52
|
75
|
68
|
65
|
50
|
51
|
40
|
70
|
85
|
72
|
72
|
59
|
31
|
16
|
26
|
42
|
34
|
40
|
33
|
22
|
|
2024/02
|
42
|
26
|
30
|
33
|
74
|
73
|
86
|
97
|
95
|
110
|
65
|
61
|
58
|
65
|
55
|
53
|
53
|
58
|
133
|
28
|
18
|
31
|
32
|
35
|
48
|
68
|
69
|
71
|
72
|
||
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution