Air Quality
Excellent
No health implications.
5
PM2.5
6
PM10
41
O3
0.4
CO
15
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Feb
55
Good
Sun
22 Feb
53
Good
Mon
23 Feb
57
Good
Tue
24 Feb
57
Good
Wed
25 Feb
52
Good
Thu
26 Feb
44
Excellent
Fri
27 Feb
34
Excellent
Air quality in the last 12 months (Tongde)
|
2026/01
|
38
|
44
|
50
|
38
|
34
|
34
|
28
|
31
|
27
|
24
|
31
|
33
|
33
|
53
|
46
|
35
|
44
|
70
|
76
|
58
|
51
|
43
|
38
|
32
|
77
|
71
|
55
|
57
|
70
|
55
|
45
|
|
2025/12
|
31
|
39
|
36
|
39
|
36
|
36
|
37
|
38
|
42
|
34
|
45
|
174
|
47
|
38
|
37
|
41
|
36
|
34
|
41
|
46
|
45
|
59
|
69
|
51
|
44
|
39
|
31
|
31
|
31
|
33
|
39
|
|
2025/11
|
36
|
43
|
34
|
30
|
36
|
39
|
94
|
87
|
60
|
41
|
40
|
38
|
29
|
36
|
35
|
37
|
52
|
40
|
29
|
30
|
31
|
29
|
35
|
78
|
47
|
54
|
34
|
35
|
34
|
32
|
|
|
2025/10
|
19
|
27
|
23
|
30
|
26
|
21
|
22
|
26
|
24
|
24
|
21
|
23
|
31
|
30
|
35
|
37
|
37
|
35
|
35
|
35
|
35
|
32
|
25
|
27
|
34
|
35
|
32
|
30
|
32
|
31
|
40
|
|
2025/09
|
27
|
23
|
32
|
29
|
33
|
48
|
46
|
45
|
43
|
38
|
31
|
33
|
35
|
39
|
28
|
57
|
32
|
28
|
31
|
32
|
25
|
26
|
40
|
36
|
32
|
29
|
28
|
27
|
26
|
30
|
|
|
2025/08
|
35
|
29
|
26
|
20
|
20
|
21
|
22
|
22
|
19
|
24
|
32
|
41
|
35
|
31
|
29
|
31
|
30
|
27
|
23
|
19
|
12
|
19
|
24
|
29
|
28
|
33
|
21
|
16
|
24
|
31
|
34
|
|
2025/07
|
29
|
20
|
23
|
19
|
21
|
24
|
34
|
37
|
41
|
33
|
31
|
30
|
28
|
32
|
36
|
32
|
26
|
30
|
26
|
20
|
20
|
29
|
26
|
19
|
21
|
22
|
33
|
29
|
37
|
22
|
34
|
|
2025/06
|
19
|
23
|
22
|
25
|
22
|
25
|
29
|
23
|
17
|
26
|
21
|
29
|
34
|
31
|
29
|
32
|
39
|
32
|
21
|
24
|
19
|
23
|
23
|
16
|
20
|
32
|
31
|
29
|
27
|
41
|
|
|
2025/05
|
36
|
37
|
78
|
68
|
35
|
45
|
73
|
83
|
63
|
28
|
30
|
42
|
55
|
113
|
21
|
32
|
28
|
39
|
35
|
27
|
40
|
81
|
63
|
52
|
36
|
38
|
32
|
32
|
33
|
36
|
37
|
|
2025/04
|
90
|
82
|
58
|
64
|
72
|
59
|
67
|
83
|
59
|
53
|
49
|
18
|
29
|
34
|
49
|
57
|
49
|
80
|
53
|
64
|
84
|
57
|
51
|
39
|
35
|
28
|
114
|
44
|
43
|
46
|
|
|
2025/03
|
43
|
51
|
42
|
33
|
53
|
81
|
80
|
50
|
28
|
32
|
43
|
83
|
49
|
38
|
48
|
39
|
41
|
49
|
57
|
52
|
49
|
55
|
49
|
27
|
17
|
62
|
207
|
72
|
72
|
97
|
112
|
|
2025/02
|
36
|
50
|
36
|
40
|
48
|
52
|
48
|
47
|
44
|
40
|
47
|
50
|
46
|
42
|
35
|
37
|
29
|
38
|
43
|
47
|
40
|
47
|
50
|
47
|
38
|
30
|
40
|
38
|
|||
|
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