Air Quality
Excellent
No health implications.
19
PM2.5
35
PM10
127
O3
0.4
CO
9
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
100
Good
Sun
4 May
73
Good
Mon
5 May
78
Good
Tue
6 May
87
Good
Wed
7 May
88
Good
Thu
8 May
89
Good
Fri
9 May
39
Excellent
Air quality in the last 12 months (Hongya)
|
2025/02
|
34
|
32
|
42
|
53
|
38
|
36
|
33
|
29
|
35
|
47
|
60
|
50
|
59
|
57
|
50
|
64
|
71
|
56
|
36
|
43
|
37
|
19
|
31
|
34
|
23
|
39
|
86
|
66
|
|||
|
2025/01
|
113
|
109
|
121
|
162
|
112
|
109
|
78
|
52
|
57
|
60
|
37
|
80
|
74
|
70
|
74
|
69
|
87
|
49
|
66
|
85
|
124
|
148
|
163
|
76
|
27
|
47
|
62
|
52
|
155
|
96
|
48
|
|
2024/12
|
81
|
99
|
105
|
85
|
54
|
64
|
55
|
29
|
23
|
41
|
55
|
58
|
45
|
45
|
49
|
65
|
100
|
118
|
150
|
118
|
97
|
43
|
47
|
42
|
60
|
57
|
103
|
68
|
89
|
56
|
57
|
|
2024/11
|
23
|
39
|
37
|
27
|
32
|
63
|
60
|
69
|
61
|
26
|
32
|
33
|
26
|
37
|
55
|
36
|
27
|
21
|
23
|
32
|
44
|
65
|
48
|
40
|
20
|
38
|
37
|
42
|
52
|
67
|
|
|
2024/10
|
23
|
32
|
26
|
25
|
31
|
37
|
39
|
48
|
49
|
30
|
33
|
27
|
39
|
47
|
61
|
68
|
24
|
39
|
26
|
22
|
20
|
28
|
44
|
60
|
39
|
27
|
29
|
37
|
66
|
47
|
42
|
|
2024/09
|
21
|
29
|
25
|
35
|
20
|
24
|
28
|
44
|
30
|
19
|
26
|
33
|
32
|
26
|
24
|
23
|
31
|
39
|
41
|
42
|
26
|
40
|
41
|
46
|
48
|
56
|
63
|
73
|
49
|
15
|
|
|
2024/08
|
41
|
45
|
35
|
18
|
26
|
32
|
38
|
27
|
27
|
30
|
53
|
48
|
46
|
53
|
43
|
31
|
40
|
32
|
39
|
47
|
54
|
59
|
60
|
48
|
53
|
41
|
43
|
48
|
48
|
39
|
34
|
|
2024/07
|
18
|
23
|
25
|
31
|
30
|
30
|
39
|
16
|
10
|
15
|
19
|
24
|
22
|
14
|
22
|
23
|
22
|
16
|
27
|
23
|
21
|
25
|
32
|
18
|
23
|
46
|
42
|
27
|
24
|
24
|
32
|
|
2024/06
|
54
|
27
|
32
|
30
|
34
|
38
|
24
|
31
|
24
|
35
|
30
|
32
|
35
|
40
|
43
|
46
|
23
|
28
|
25
|
34
|
24
|
21
|
29
|
29
|
31
|
28
|
21
|
28
|
26
|
31
|
|
|
2024/05
|
34
|
26
|
24
|
21
|
40
|
50
|
55
|
37
|
35
|
53
|
37
|
46
|
44
|
52
|
57
|
57
|
63
|
35
|
41
|
36
|
30
|
44
|
51
|
49
|
54
|
37
|
39
|
27
|
14
|
26
|
45
|
|
2024/04
|
57
|
60
|
50
|
50
|
39
|
23
|
24
|
25
|
36
|
35
|
30
|
46
|
60
|
70
|
71
|
52
|
31
|
20
|
27
|
43
|
61
|
62
|
26
|
31
|
42
|
70
|
83
|
98
|
49
|
19
|
|
|
2024/03
|
44
|
39
|
68
|
113
|
66
|
56
|
59
|
71
|
100
|
96
|
39
|
72
|
45
|
33
|
62
|
55
|
85
|
53
|
56
|
64
|
66
|
76
|
79
|
57
|
25
|
38
|
39
|
27
|
38
|
49
|
46
|
|
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