Air Quality
Excellent
No health implications.
10
PM2.5
46
PM10
31
O3
0.7
CO
14
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jan
66
Good
Mon
26 Jan
44
Excellent
Tue
27 Jan
46
Excellent
Wed
28 Jan
45
Excellent
Thu
29 Jan
46
Excellent
Fri
30 Jan
49
Excellent
Sat
31 Jan
21
Excellent
Air quality in the last 12 months (Tongde)
|
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
|
|||
|
2025/01
|
30
|
36
|
33
|
41
|
33
|
36
|
49
|
48
|
39
|
57
|
35
|
22
|
25
|
36
|
32
|
33
|
47
|
56
|
37
|
38
|
45
|
48
|
50
|
52
|
94
|
58
|
28
|
32
|
53
|
36
|
32
|
|
2024/12
|
32
|
34
|
28
|
35
|
37
|
28
|
38
|
43
|
38
|
45
|
48
|
46
|
41
|
41
|
33
|
30
|
36
|
49
|
45
|
37
|
47
|
39
|
35
|
49
|
48
|
48
|
46
|
34
|
36
|
33
|
28
|
|
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