Air Quality
Excellent
No health implications.
17
PM2.5
45
PM10
99
O3
0.4
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
70
Good
Thu
12 Mar
119
Light
Fri
13 Mar
79
Good
Sat
14 Mar
59
Good
Sun
15 Mar
58
Good
Mon
16 Mar
67
Good
Tue
17 Mar
15
Excellent
Tongwei Air quality rank
Air quality in the last 12 months (Tongwei)
|
2026/02
|
89
|
78
|
72
|
63
|
62
|
69
|
68
|
60
|
62
|
95
|
77
|
74
|
68
|
75
|
66
|
58
|
92
|
59
|
57
|
53
|
112
|
170
|
130
|
76
|
82
|
86
|
69
|
54
|
|||
|
2026/01
|
72
|
59
|
71
|
66
|
56
|
60
|
57
|
59
|
60
|
62
|
67
|
67
|
67
|
88
|
81
|
73
|
66
|
79
|
55
|
56
|
57
|
66
|
61
|
58
|
439
|
346
|
161
|
131
|
81
|
86
|
98
|
|
2025/12
|
72
|
61
|
58
|
61
|
61
|
57
|
63
|
63
|
71
|
75
|
69
|
81
|
75
|
65
|
71
|
72
|
59
|
57
|
64
|
39
|
46
|
60
|
55
|
57
|
48
|
54
|
64
|
74
|
69
|
73
|
70
|
|
2025/11
|
59
|
55
|
42
|
27
|
34
|
31
|
95
|
73
|
73
|
56
|
55
|
58
|
60
|
58
|
56
|
63
|
52
|
46
|
51
|
61
|
60
|
60
|
69
|
90
|
59
|
124
|
108
|
67
|
64
|
79
|
|
|
2025/10
|
31
|
24
|
25
|
35
|
59
|
27
|
27
|
21
|
23
|
23
|
25
|
33
|
36
|
39
|
39
|
37
|
28
|
39
|
44
|
27
|
26
|
29
|
30
|
31
|
41
|
49
|
49
|
45
|
51
|
60
|
63
|
|
2025/09
|
30
|
55
|
57
|
53
|
54
|
68
|
58
|
43
|
37
|
31
|
26
|
36
|
39
|
33
|
67
|
73
|
31
|
22
|
26
|
24
|
21
|
26
|
31
|
40
|
40
|
40
|
37
|
40
|
48
|
48
|
|
|
2025/08
|
38
|
30
|
31
|
26
|
26
|
30
|
32
|
27
|
26
|
27
|
40
|
34
|
32
|
33
|
34
|
28
|
25
|
24
|
25
|
60
|
28
|
30
|
23
|
26
|
24
|
25
|
21
|
23
|
24
|
28
|
29
|
|
2025/07
|
26
|
21
|
20
|
21
|
24
|
27
|
21
|
21
|
25
|
28
|
21
|
26
|
25
|
25
|
39
|
45
|
38
|
30
|
73
|
28
|
25
|
23
|
26
|
23
|
21
|
22
|
23
|
24
|
29
|
24
|
35
|
|
2025/06
|
39
|
42
|
37
|
33
|
36
|
41
|
42
|
47
|
37
|
41
|
41
|
41
|
38
|
57
|
65
|
42
|
44
|
39
|
44
|
41
|
33
|
25
|
25
|
27
|
24
|
26
|
22
|
28
|
33
|
20
|
|
|
2025/05
|
70
|
87
|
106
|
126
|
102
|
113
|
71
|
73
|
70
|
48
|
42
|
58
|
72
|
59
|
49
|
63
|
114
|
56
|
62
|
56
|
66
|
93
|
49
|
38
|
29
|
46
|
29
|
26
|
29
|
83
|
60
|
|
2025/04
|
110
|
96
|
86
|
109
|
87
|
69
|
53
|
99
|
111
|
75
|
193
|
362
|
108
|
67
|
66
|
131
|
79
|
253
|
146
|
96
|
113
|
95
|
57
|
56
|
58
|
44
|
56
|
53
|
62
|
122
|
|
|
2025/03
|
63
|
47
|
45
|
53
|
47
|
48
|
62
|
64
|
52
|
43
|
176
|
89
|
89
|
47
|
51
|
52
|
48
|
40
|
50
|
61
|
55
|
56
|
68
|
58
|
70
|
373
|
115
|
103
|
80
|
79
|
77
|
|
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