Air Quality
Excellent
No health implications.
20
PM2.5
26
PM10
24
O3
0.4
CO
8
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
48
Excellent
Thu
20 Mar
54
Good
Fri
21 Mar
53
Good
Sat
22 Mar
57
Good
Sun
23 Mar
63
Good
Mon
24 Mar
73
Good
Tue
25 Mar
49
Excellent
Air quality in the last 12 months (Tongzi)
|
2025/02
|
57
|
45
|
41
|
43
|
53
|
39
|
35
|
52
|
50
|
61
|
65
|
84
|
48
|
31
|
42
|
51
|
50
|
46
|
44
|
38
|
43
|
31
|
41
|
43
|
44
|
54
|
56
|
65
|
|||
|
2025/01
|
102
|
116
|
112
|
111
|
107
|
109
|
73
|
52
|
37
|
45
|
53
|
54
|
71
|
86
|
69
|
76
|
82
|
77
|
69
|
98
|
111
|
118
|
124
|
75
|
40
|
38
|
49
|
65
|
173
|
102
|
72
|
|
2024/12
|
84
|
101
|
72
|
58
|
39
|
42
|
41
|
43
|
31
|
30
|
49
|
42
|
56
|
52
|
51
|
69
|
77
|
87
|
81
|
94
|
120
|
62
|
60
|
81
|
94
|
84
|
98
|
95
|
98
|
58
|
73
|
|
2024/11
|
57
|
38
|
62
|
56
|
48
|
58
|
63
|
56
|
49
|
49
|
59
|
57
|
60
|
48
|
68
|
51
|
26
|
22
|
22
|
26
|
28
|
35
|
30
|
20
|
26
|
29
|
36
|
37
|
39
|
59
|
|
|
2024/10
|
21
|
22
|
32
|
36
|
43
|
48
|
48
|
36
|
41
|
67
|
74
|
50
|
33
|
29
|
34
|
32
|
21
|
35
|
27
|
22
|
23
|
24
|
28
|
37
|
55
|
56
|
50
|
47
|
51
|
59
|
80
|
|
2024/09
|
28
|
32
|
26
|
22
|
28
|
33
|
35
|
26
|
23
|
27
|
34
|
34
|
33
|
34
|
25
|
35
|
26
|
24
|
26
|
37
|
33
|
28
|
40
|
42
|
57
|
66
|
45
|
41
|
35
|
24
|
|
|
2024/08
|
20
|
16
|
15
|
16
|
23
|
21
|
19
|
20
|
21
|
21
|
45
|
56
|
39
|
33
|
28
|
30
|
32
|
31
|
31
|
29
|
28
|
24
|
19
|
17
|
19
|
20
|
26
|
26
|
26
|
25
|
29
|
|
2024/07
|
29
|
25
|
21
|
22
|
28
|
24
|
21
|
25
|
24
|
23
|
21
|
20
|
20
|
22
|
19
|
18
|
22
|
20
|
15
|
17
|
16
|
15
|
18
|
18
|
23
|
33
|
35
|
26
|
22
|
21
|
22
|
|
2024/06
|
36
|
30
|
25
|
22
|
31
|
26
|
20
|
18
|
22
|
25
|
24
|
22
|
30
|
38
|
40
|
33
|
25
|
24
|
24
|
25
|
23
|
23
|
25
|
26
|
25
|
25
|
19
|
19
|
17
|
27
|
|
|
2024/05
|
29
|
29
|
23
|
26
|
33
|
42
|
38
|
49
|
45
|
41
|
33
|
31
|
31
|
40
|
37
|
38
|
46
|
31
|
28
|
31
|
22
|
23
|
31
|
36
|
28
|
20
|
26
|
34
|
30
|
18
|
30
|
|
2024/04
|
49
|
47
|
36
|
25
|
30
|
23
|
29
|
27
|
38
|
40
|
38
|
40
|
47
|
49
|
61
|
42
|
31
|
28
|
24
|
32
|
41
|
43
|
30
|
39
|
29
|
35
|
31
|
34
|
38
|
22
|
|
|
2024/03
|
64
|
60
|
62
|
61
|
54
|
50
|
59
|
61
|
56
|
72
|
65
|
66
|
65
|
69
|
44
|
43
|
47
|
28
|
38
|
53
|
62
|
67
|
57
|
56
|
33
|
35
|
36
|
41
|
45
|
51
|
63
|
|
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