Air Quality
Excellent
No health implications.
19
PM2.5
26
PM10
75
O3
0.3
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
90
Good
Fri
27 Jun
92
Good
Sat
28 Jun
97
Good
Sun
29 Jun
80
Good
Mon
30 Jun
74
Good
Tue
1 Jul
32
Excellent
Wed
2 Jul
45
Excellent
Air quality in the last 12 months (Tongwei)
|
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
|
|
2025/02
|
62
|
59
|
48
|
47
|
50
|
50
|
69
|
70
|
60
|
50
|
77
|
82
|
66
|
58
|
58
|
73
|
62
|
53
|
66
|
58
|
58
|
54
|
47
|
53
|
56
|
48
|
43
|
51
|
|||
|
2025/01
|
64
|
60
|
73
|
65
|
61
|
57
|
54
|
59
|
59
|
60
|
67
|
66
|
66
|
62
|
59
|
57
|
63
|
64
|
63
|
66
|
71
|
71
|
100
|
110
|
67
|
78
|
80
|
82
|
114
|
80
|
70
|
|
2024/12
|
60
|
65
|
59
|
55
|
56
|
60
|
50
|
53
|
49
|
67
|
64
|
56
|
53
|
62
|
66
|
63
|
68
|
58
|
62
|
66
|
60
|
55
|
61
|
64
|
66
|
68
|
56
|
61
|
58
|
53
|
53
|
|
2024/11
|
45
|
41
|
48
|
55
|
52
|
40
|
40
|
41
|
51
|
54
|
52
|
57
|
57
|
45
|
60
|
46
|
40
|
29
|
40
|
50
|
53
|
46
|
47
|
41
|
49
|
56
|
61
|
65
|
56
|
62
|
|
|
2024/10
|
31
|
32
|
34
|
28
|
37
|
48
|
40
|
39
|
42
|
44
|
40
|
29
|
34
|
31
|
34
|
41
|
30
|
50
|
34
|
31
|
39
|
38
|
52
|
41
|
49
|
48
|
40
|
46
|
45
|
38
|
36
|
|
2024/09
|
49
|
35
|
34
|
30
|
21
|
25
|
22
|
28
|
27
|
23
|
23
|
30
|
25
|
28
|
28
|
29
|
31
|
33
|
35
|
39
|
31
|
37
|
41
|
38
|
30
|
24
|
48
|
60
|
33
|
27
|
|
|
2024/08
|
31
|
33
|
27
|
24
|
24
|
26
|
21
|
24
|
69
|
69
|
44
|
39
|
34
|
34
|
41
|
33
|
31
|
28
|
32
|
29
|
34
|
35
|
40
|
39
|
35
|
32
|
26
|
33
|
33
|
29
|
45
|
|
2024/07
|
32
|
32
|
30
|
35
|
50
|
49
|
25
|
23
|
39
|
49
|
41
|
58
|
32
|
26
|
16
|
20
|
26
|
26
|
19
|
19
|
116
|
21
|
29
|
110
|
74
|
53
|
48
|
40
|
31
|
30
|
32
|
|
2024/06
|
52
|
39
|
37
|
33
|
36
|
32
|
32
|
37
|
31
|
38
|
41
|
43
|
44
|
49
|
50
|
30
|
27
|
27
|
33
|
30
|
26
|
38
|
37
|
39
|
38
|
30
|
24
|
26
|
42
|
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