Air Quality
Excellent
No health implications.
30
PM2.5
40
PM10
44
O3
0.9
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
96
Good
Tue
17 Feb
152
Moderate
Wed
18 Feb
93
Good
Thu
19 Feb
55
Good
Fri
20 Feb
69
Good
Sat
21 Feb
37
Excellent
Sun
22 Feb
44
Excellent
Air quality in the last 12 months (Tongdao)
|
2026/01
|
29
|
48
|
55
|
56
|
35
|
50
|
55
|
56
|
69
|
91
|
85
|
99
|
95
|
96
|
122
|
137
|
122
|
109
|
64
|
24
|
40
|
51
|
58
|
70
|
84
|
29
|
50
|
71
|
77
|
22
|
31
|
|
2025/12
|
74
|
86
|
80
|
70
|
61
|
74
|
79
|
68
|
81
|
89
|
96
|
99
|
29
|
44
|
59
|
67
|
68
|
66
|
73
|
75
|
67
|
81
|
59
|
33
|
54
|
57
|
60
|
65
|
78
|
83
|
94
|
|
2025/11
|
36
|
28
|
17
|
17
|
28
|
31
|
30
|
10
|
8
|
11
|
22
|
44
|
37
|
41
|
44
|
51
|
56
|
24
|
27
|
32
|
33
|
41
|
53
|
54
|
48
|
46
|
63
|
62
|
55
|
62
|
|
|
2025/10
|
37
|
28
|
25
|
32
|
37
|
23
|
22
|
32
|
35
|
33
|
35
|
45
|
53
|
35
|
37
|
34
|
37
|
22
|
12
|
10
|
12
|
23
|
34
|
39
|
47
|
49
|
40
|
47
|
58
|
67
|
43
|
|
2025/09
|
31
|
28
|
24
|
24
|
31
|
33
|
38
|
39
|
15
|
19
|
21
|
17
|
23
|
29
|
28
|
29
|
22
|
30
|
38
|
27
|
24
|
21
|
20
|
15
|
13
|
15
|
24
|
30
|
37
|
42
|
|
|
2025/08
|
27
|
29
|
24
|
26
|
25
|
14
|
13
|
19
|
25
|
25
|
27
|
30
|
35
|
28
|
13
|
24
|
23
|
25
|
19
|
18
|
18
|
20
|
26
|
32
|
26
|
27
|
26
|
23
|
29
|
29
|
28
|
|
2025/07
|
19
|
19
|
22
|
26
|
30
|
39
|
34
|
30
|
33
|
30
|
23
|
36
|
27
|
29
|
18
|
23
|
25
|
34
|
32
|
28
|
14
|
12
|
15
|
23
|
25
|
30
|
33
|
26
|
29
|
28
|
28
|
|
2025/06
|
25
|
16
|
30
|
40
|
45
|
35
|
26
|
25
|
30
|
29
|
31
|
24
|
25
|
18
|
22
|
24
|
13
|
12
|
16
|
17
|
17
|
14
|
17
|
17
|
23
|
27
|
21
|
17
|
16
|
18
|
|
|
2025/05
|
45
|
58
|
55
|
35
|
33
|
36
|
41
|
39
|
22
|
37
|
30
|
41
|
49
|
61
|
52
|
24
|
28
|
22
|
26
|
22
|
24
|
27
|
25
|
47
|
48
|
33
|
29
|
14
|
19
|
30
|
25
|
|
2025/04
|
45
|
55
|
65
|
108
|
97
|
77
|
98
|
115
|
99
|
73
|
58
|
80
|
188
|
123
|
85
|
79
|
76
|
75
|
45
|
30
|
42
|
29
|
49
|
31
|
27
|
38
|
30
|
33
|
53
|
45
|
|
|
2025/03
|
50
|
42
|
43
|
17
|
18
|
30
|
43
|
44
|
46
|
32
|
39
|
51
|
42
|
22
|
14
|
39
|
38
|
35
|
46
|
48
|
59
|
70
|
80
|
82
|
89
|
78
|
75
|
73
|
30
|
19
|
34
|
|
2025/02
|
13
|
13
|
41
|
62
|
60
|
55
|
40
|
69
|
48
|
56
|
83
|
80
|
68
|
72
|
42
|
38
|
35
|
37
|
28
|
18
|
60
|
20
|
33
|
79
|
53
|
46
|
32
|
47
|
|||
|
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