Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
89
O3
0.3
CO
15
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
66
Good
Mon
21 Jul
67
Good
Tue
22 Jul
70
Good
Wed
23 Jul
70
Good
Thu
24 Jul
70
Good
Fri
25 Jul
41
Excellent
Sat
26 Jul
17
Excellent
Air quality in the last 12 months (Tongde)
|
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
|
|
|
2024/08
|
33
|
28
|
26
|
32
|
29
|
31
|
48
|
20
|
28
|
25
|
21
|
27
|
31
|
17
|
27
|
36
|
25
|
25
|
29
|
31
|
32
|
39
|
30
|
19
|
21
|
17
|
23
|
30
|
22
|
22
|
24
|
|
2024/07
|
21
|
22
|
21
|
20
|
31
|
31
|
27
|
21
|
24
|
26
|
26
|
25
|
19
|
18
|
24
|
21
|
20
|
33
|
24
|
24
|
71
|
65
|
23
|
46
|
54
|
32
|
29
|
20
|
26
|
27
|
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