Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
57
O3
0.4
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
46
Excellent
Sat
21 Jun
49
Excellent
Sun
22 Jun
50
Excellent
Mon
23 Jun
57
Good
Tue
24 Jun
90
Good
Wed
25 Jun
96
Good
Thu
26 Jun
37
Excellent
Air quality in the last 12 months (Nianzishan)
|
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
|
|
2024/11
|
50
|
73
|
41
|
27
|
34
|
55
|
55
|
130
|
150
|
85
|
92
|
42
|
98
|
188
|
119
|
42
|
30
|
24
|
39
|
33
|
27
|
40
|
61
|
172
|
175
|
24
|
27
|
35
|
22
|
29
|
|
|
2024/10
|
25
|
28
|
42
|
32
|
37
|
47
|
58
|
33
|
47
|
24
|
25
|
28
|
45
|
46
|
27
|
38
|
32
|
41
|
26
|
44
|
30
|
35
|
41
|
46
|
49
|
63
|
41
|
38
|
46
|
42
|
43
|
|
2024/09
|
18
|
21
|
24
|
22
|
22
|
35
|
37
|
33
|
35
|
29
|
27
|
30
|
24
|
33
|
25
|
26
|
22
|
27
|
25
|
25
|
30
|
30
|
25
|
28
|
36
|
37
|
34
|
28
|
35
|
23
|
|
|
2024/08
|
16
|
19
|
20
|
12
|
21
|
23
|
27
|
27
|
33
|
24
|
12
|
18
|
22
|
26
|
30
|
33
|
31
|
21
|
15
|
19
|
14
|
24
|
35
|
25
|
34
|
18
|
16
|
18
|
21
|
22
|
16
|
|
2024/07
|
38
|
45
|
53
|
61
|
61
|
52
|
59
|
62
|
72
|
68
|
84
|
99
|
87
|
61
|
51
|
39
|
18
|
44
|
39
|
32
|
15
|
20
|
16
|
17
|
19
|
18
|
10
|
13
|
21
|
24
|
20
|
|
2024/06
|
29
|
27
|
39
|
21
|
33
|
43
|
26
|
18
|
17
|
27
|
21
|
21
|
19
|
11
|
21
|
32
|
21
|
23
|
24
|
16
|
12
|
12
|
15
|
16
|
25
|
39
|
40
|
46
|
26
|
37
|
|
|
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