Air Quality
Excellent
No health implications.
19
PM2.5
39
PM10
37
O3
0.5
CO
18
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
56
Good
Sat
20 Sep
51
Good
Sun
21 Sep
53
Good
Mon
22 Sep
59
Good
Tue
23 Sep
59
Good
Wed
24 Sep
23
Excellent
Thu
25 Sep
33
Excellent
Air quality in the last 12 months (Tongde)
|
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
|
|
2024/11
|
29
|
33
|
30
|
36
|
38
|
30
|
35
|
36
|
39
|
51
|
49
|
46
|
41
|
39
|
40
|
47
|
38
|
35
|
35
|
31
|
32
|
26
|
30
|
41
|
59
|
34
|
24
|
23
|
40
|
34
|
|
|
2024/10
|
31
|
28
|
27
|
33
|
28
|
26
|
27
|
28
|
26
|
21
|
26
|
25
|
30
|
28
|
33
|
21
|
26
|
24
|
24
|
37
|
58
|
42
|
33
|
34
|
34
|
32
|
28
|
35
|
36
|
40
|
31
|
|
2024/09
|
26
|
19
|
19
|
17
|
17
|
17
|
22
|
23
|
15
|
16
|
16
|
23
|
16
|
16
|
16
|
15
|
13
|
18
|
21
|
13
|
13
|
21
|
28
|
25
|
34
|
30
|
29
|
28
|
32
|
29
|
|
|
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