Air Quality
Excellent
No health implications.
21
PM2.5
32
PM10
115
O3
0.4
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jul
78
Good
Fri
10 Jul
64
Good
Sat
11 Jul
57
Good
Sun
12 Jul
61
Good
Mon
13 Jul
58
Good
Tue
14 Jul
65
Good
Wed
15 Jul
39
Excellent
Air quality in the last 12 months (Tongwei)
|
2026/05
|
34
|
58
|
43
|
42
|
43
|
73
|
51
|
40
|
42
|
59
|
52
|
47
|
28
|
117
|
65
|
31
|
32
|
35
|
36
|
32
|
109
|
119
|
51
|
28
|
67
|
83
|
72
|
55
|
49
|
48
|
60
|
|
2026/04
|
50
|
43
|
88
|
75
|
68
|
60
|
45
|
45
|
63
|
58
|
55
|
56
|
61
|
51
|
49
|
53
|
49
|
47
|
250
|
84
|
50
|
53
|
65
|
68
|
59
|
55
|
49
|
47
|
54
|
45
|
|
|
2026/03
|
56
|
44
|
57
|
69
|
71
|
63
|
54
|
39
|
42
|
43
|
47
|
100
|
279
|
72
|
75
|
69
|
57
|
82
|
85
|
76
|
76
|
89
|
85
|
72
|
60
|
45
|
53
|
41
|
43
|
33
|
46
|
|
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
|
|
|
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