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
17 Jul
Fri
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
Tue
22 Jul
Wed
23 Jul
Real-time AQI (Monitoring Station in Zhangjiajie)
永定新区
1812
PM2.5
17
PM10
37
O3
0.4
CO
3
SO2
2
NO2
未央路
106
PM2.5
9
PM10
30
O3
0.3
CO
5
SO2
4
NO2
Air quality in the last 12 months (Zhangjiajie)
|
2025/06
|
9
|
23
|
25
|
29
|
32
|
34
|
27
|
28
|
24
|
25
|
28
|
24
|
24
|
21
|
31
|
28
|
28
|
20
|
15
|
12
|
13
|
16
|
18
|
23
|
21
|
12
|
17
|
16
|
15
|
18
|
|
|
2025/05
|
46
|
58
|
63
|
44
|
42
|
106
|
94
|
23
|
20
|
29
|
32
|
40
|
39
|
71
|
39
|
26
|
33
|
45
|
44
|
37
|
27
|
20
|
40
|
54
|
50
|
36
|
39
|
29
|
33
|
30
|
25
|
|
2025/04
|
50
|
55
|
55
|
56
|
61
|
57
|
52
|
58
|
57
|
49
|
57
|
78
|
259
|
114
|
78
|
67
|
59
|
57
|
22
|
49
|
39
|
45
|
50
|
51
|
56
|
49
|
33
|
41
|
44
|
24
|
|
|
2025/03
|
70
|
87
|
17
|
34
|
44
|
34
|
50
|
43
|
41
|
47
|
56
|
73
|
67
|
53
|
36
|
62
|
48
|
34
|
33
|
39
|
42
|
53
|
50
|
50
|
48
|
60
|
110
|
79
|
57
|
45
|
55
|
|
2025/02
|
43
|
36
|
44
|
44
|
53
|
69
|
80
|
88
|
60
|
52
|
60
|
82
|
67
|
55
|
39
|
43
|
42
|
39
|
47
|
86
|
112
|
53
|
71
|
92
|
71
|
44
|
42
|
51
|
|||
|
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
|
|
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