Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
48
O3
0.6
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
43
Excellent
Sat
18 Apr
49
Excellent
Sun
19 Apr
47
Excellent
Mon
20 Apr
46
Excellent
Tue
21 Apr
38
Excellent
Wed
22 Apr
43
Excellent
Thu
23 Apr
43
Excellent
Air quality in the last 12 months (Tongdao)
|
2026/03
|
10
|
13
|
24
|
27
|
36
|
45
|
59
|
24
|
19
|
38
|
37
|
45
|
52
|
65
|
78
|
67
|
62
|
33
|
33
|
21
|
25
|
32
|
27
|
16
|
29
|
44
|
22
|
22
|
32
|
38
|
29
|
|
2026/02
|
55
|
60
|
69
|
97
|
103
|
68
|
68
|
49
|
54
|
33
|
36
|
54
|
42
|
55
|
59
|
32
|
39
|
57
|
57
|
47
|
71
|
95
|
76
|
32
|
48
|
45
|
13
|
15
|
|||
|
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
|
|
|
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