Air Quality
Excellent
No health implications.
15
PM2.5
23
PM10
42
O3
0.4
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
55
Good
Sun
20 Apr
63
Good
Mon
21 Apr
65
Good
Tue
22 Apr
51
Good
Wed
23 Apr
64
Good
Thu
24 Apr
41
Excellent
Fri
25 Apr
42
Excellent
Air quality in the last 12 months (Nianzishan)
|
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
|
|
|
2024/05
|
52
|
30
|
45
|
62
|
32
|
35
|
35
|
70
|
36
|
32
|
14
|
34
|
29
|
18
|
17
|
25
|
44
|
24
|
25
|
28
|
36
|
28
|
18
|
24
|
42
|
22
|
28
|
17
|
17
|
19
|
18
|
|
2024/04
|
43
|
100
|
54
|
43
|
61
|
35
|
45
|
31
|
56
|
64
|
81
|
80
|
80
|
147
|
241
|
37
|
49
|
29
|
24
|
49
|
116
|
55
|
28
|
27
|
26
|
22
|
18
|
17
|
29
|
37
|
|
|
2024/03
|
25
|
26
|
34
|
30
|
34
|
32
|
34
|
31
|
46
|
72
|
39
|
49
|
37
|
53
|
39
|
93
|
21
|
24
|
27
|
26
|
38
|
57
|
63
|
31
|
43
|
89
|
94
|
200
|
33
|
34
|
36
|
|
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