Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
55
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
49
Excellent
Tue
20 Jan
49
Excellent
Wed
21 Jan
51
Good
Thu
22 Jan
51
Good
Fri
23 Jan
51
Good
Sat
24 Jan
31
Excellent
Sun
25 Jan
25
Excellent
Air quality in the last 12 months (Nianzishan)
|
2025/11
|
49
|
37
|
60
|
58
|
62
|
43
|
38
|
124
|
32
|
28
|
32
|
33
|
27
|
32
|
68
|
38
|
31
|
37
|
39
|
36
|
33
|
47
|
48
|
37
|
39
|
45
|
30
|
51
|
76
|
41
|
|
|
2025/10
|
29
|
32
|
54
|
29
|
27
|
29
|
37
|
25
|
33
|
38
|
36
|
23
|
29
|
27
|
31
|
30
|
24
|
23
|
21
|
19
|
30
|
32
|
43
|
53
|
51
|
28
|
29
|
34
|
104
|
37
|
73
|
|
2025/09
|
23
|
29
|
40
|
46
|
42
|
37
|
28
|
23
|
27
|
21
|
24
|
33
|
27
|
26
|
30
|
18
|
23
|
21
|
27
|
24
|
28
|
34
|
38
|
22
|
25
|
32
|
30
|
35
|
31
|
38
|
|
|
2025/08
|
19
|
18
|
17
|
23
|
31
|
24
|
16
|
21
|
17
|
17
|
14
|
17
|
20
|
28
|
25
|
14
|
19
|
16
|
20
|
19
|
24
|
14
|
17
|
22
|
24
|
21
|
21
|
22
|
29
|
20
|
21
|
|
2025/07
|
24
|
23
|
23
|
33
|
22
|
28
|
21
|
22
|
23
|
35
|
29
|
14
|
20
|
22
|
28
|
15
|
14
|
21
|
19
|
20
|
25
|
30
|
31
|
27
|
25
|
25
|
22
|
25
|
17
|
27
|
21
|
|
2025/06
|
29
|
34
|
19
|
23
|
27
|
20
|
19
|
26
|
15
|
23
|
24
|
31
|
27
|
30
|
33
|
25
|
21
|
31
|
21
|
21
|
19
|
32
|
41
|
42
|
46
|
28
|
41
|
32
|
35
|
28
|
|
|
2025/05
|
32
|
22
|
22
|
22
|
24
|
33
|
39
|
52
|
48
|
41
|
67
|
79
|
65
|
59
|
68
|
85
|
36
|
44
|
36
|
49
|
36
|
30
|
38
|
43
|
47
|
57
|
50
|
63
|
62
|
65
|
38
|
|
2025/04
|
66
|
51
|
59
|
85
|
82
|
45
|
61
|
42
|
68
|
120
|
81
|
12
|
19
|
29
|
31
|
39
|
49
|
28
|
32
|
76
|
101
|
23
|
34
|
28
|
27
|
40
|
49
|
33
|
94
|
28
|
|
|
2025/03
|
24
|
39
|
44
|
54
|
87
|
52
|
55
|
51
|
87
|
112
|
61
|
31
|
27
|
26
|
32
|
29
|
51
|
37
|
70
|
30
|
38
|
36
|
119
|
30
|
44
|
53
|
18
|
23
|
27
|
32
|
54
|
|
2025/02
|
55
|
92
|
42
|
23
|
39
|
40
|
20
|
20
|
26
|
45
|
68
|
60
|
43
|
42
|
33
|
29
|
26
|
23
|
26
|
31
|
34
|
36
|
32
|
45
|
44
|
31
|
41
|
31
|
|||
|
2025/01
|
65
|
33
|
35
|
100
|
90
|
57
|
29
|
35
|
30
|
43
|
62
|
120
|
160
|
65
|
40
|
37
|
76
|
119
|
139
|
104
|
71
|
84
|
200
|
185
|
212
|
172
|
40
|
42
|
58
|
28
|
30
|
|
2024/12
|
38
|
21
|
31
|
25
|
20
|
27
|
25
|
34
|
52
|
37
|
24
|
41
|
49
|
31
|
24
|
27
|
33
|
41
|
43
|
52
|
37
|
29
|
32
|
46
|
36
|
29
|
30
|
36
|
53
|
80
|
58
|
|
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
Air quality source: CNEMC
*: primary pollution