Air Quality
Excellent
No health implications.
23
PM2.5
45
PM10
48
O3
0.3
CO
8
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
70
Good
Wed
4 Jun
74
Good
Thu
5 Jun
70
Good
Fri
6 Jun
75
Good
Sat
7 Jun
65
Good
Sun
8 Jun
30
Excellent
Mon
9 Jun
18
Excellent
Air quality in the last 12 months (Tongwei)
|
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
|
|
|
2024/05
|
39
|
30
|
26
|
40
|
54
|
61
|
57
|
44
|
38
|
57
|
64
|
55
|
52
|
47
|
54
|
56
|
61
|
54
|
47
|
54
|
39
|
43
|
49
|
52
|
54
|
50
|
44
|
42
|
36
|
51
|
68
|
|
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