Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
74
O3
0.3
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
77
Good
Thu
1 May
98
Good
Fri
2 May
100
Good
Sat
3 May
84
Good
Sun
4 May
64
Good
Mon
5 May
32
Excellent
Tue
6 May
44
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