Air Quality
Excellent
No health implications.
9
PM2.5
13
PM10
49
O3
0.5
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
31
Excellent
Sat
16 May
29
Excellent
Sun
17 May
30
Excellent
Mon
18 May
39
Excellent
Tue
19 May
44
Excellent
Wed
20 May
34
Excellent
Thu
21 May
44
Excellent
Air quality in the last 12 months (Meitan)
|
2026/04
|
24
|
30
|
26
|
33
|
35
|
24
|
19
|
33
|
44
|
48
|
26
|
21
|
21
|
21
|
18
|
20
|
27
|
28
|
36
|
27
|
16
|
16
|
23
|
29
|
41
|
43
|
24
|
21
|
26
|
29
|
|
|
2026/03
|
15
|
19
|
21
|
29
|
31
|
41
|
28
|
13
|
15
|
25
|
39
|
42
|
49
|
50
|
17
|
20
|
15
|
17
|
25
|
24
|
30
|
28
|
20
|
19
|
22
|
17
|
28
|
22
|
24
|
26
|
23
|
|
2026/02
|
33
|
47
|
60
|
57
|
57
|
58
|
57
|
53
|
40
|
34
|
48
|
51
|
65
|
69
|
53
|
49
|
66
|
58
|
54
|
60
|
70
|
60
|
38
|
30
|
36
|
32
|
16
|
12
|
|||
|
2026/01
|
21
|
36
|
32
|
34
|
44
|
52
|
69
|
65
|
87
|
125
|
93
|
79
|
84
|
136
|
120
|
128
|
138
|
97
|
60
|
18
|
33
|
50
|
59
|
74
|
45
|
29
|
40
|
45
|
34
|
17
|
26
|
|
2025/12
|
94
|
93
|
65
|
61
|
64
|
69
|
59
|
55
|
63
|
60
|
60
|
85
|
40
|
41
|
52
|
65
|
64
|
72
|
61
|
58
|
56
|
45
|
33
|
41
|
45
|
50
|
64
|
73
|
75
|
67
|
40
|
|
2025/11
|
22
|
22
|
19
|
17
|
17
|
13
|
15
|
12
|
10
|
12
|
20
|
25
|
31
|
36
|
42
|
46
|
30
|
16
|
24
|
32
|
35
|
45
|
40
|
40
|
45
|
50
|
54
|
59
|
58
|
71
|
|
|
2025/10
|
15
|
18
|
18
|
18
|
18
|
21
|
19
|
21
|
20
|
16
|
19
|
29
|
22
|
20
|
16
|
12
|
16
|
13
|
10
|
11
|
12
|
15
|
22
|
28
|
35
|
30
|
21
|
26
|
32
|
25
|
24
|
|
2025/09
|
31
|
26
|
25
|
23
|
28
|
27
|
32
|
28
|
22
|
16
|
17
|
22
|
19
|
17
|
22
|
21
|
24
|
25
|
28
|
25
|
21
|
20
|
19
|
16
|
16
|
13
|
18
|
24
|
25
|
24
|
|
|
2025/08
|
24
|
22
|
23
|
25
|
26
|
24
|
24
|
16
|
18
|
20
|
19
|
21
|
26
|
20
|
15
|
16
|
19
|
19
|
18
|
19
|
18
|
17
|
22
|
21
|
21
|
20
|
21
|
21
|
33
|
37
|
32
|
|
2025/07
|
20
|
18
|
19
|
19
|
22
|
27
|
25
|
27
|
27
|
23
|
22
|
29
|
25
|
25
|
21
|
21
|
22
|
27
|
27
|
26
|
21
|
21
|
18
|
17
|
18
|
21
|
23
|
24
|
23
|
24
|
20
|
|
2025/06
|
21
|
21
|
24
|
25
|
26
|
28
|
37
|
37
|
30
|
26
|
29
|
30
|
28
|
23
|
28
|
26
|
20
|
22
|
19
|
17
|
23
|
19
|
17
|
17
|
19
|
18
|
19
|
17
|
18
|
22
|
|
|
2025/05
|
41
|
53
|
46
|
31
|
34
|
31
|
27
|
26
|
35
|
30
|
37
|
36
|
37
|
49
|
42
|
37
|
36
|
36
|
48
|
40
|
28
|
22
|
28
|
39
|
38
|
34
|
19
|
17
|
22
|
23
|
18
|
|
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