Air Quality
Excellent
No health implications.
29
PM2.5
40
PM10
114
O3
0.6
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
85
Good
Fri
15 May
77
Good
Sat
16 May
85
Good
Sun
17 May
72
Good
Mon
18 May
54
Good
Tue
19 May
46
Excellent
Wed
20 May
17
Excellent
Air quality in the last 12 months (Hong'an)
|
2026/04
|
57
|
53
|
32
|
64
|
74
|
76
|
67
|
48
|
22
|
42
|
55
|
48
|
28
|
23
|
32
|
43
|
53
|
64
|
60
|
58
|
36
|
22
|
26
|
32
|
45
|
45
|
54
|
29
|
27
|
39
|
|
|
2026/03
|
31
|
37
|
59
|
98
|
71
|
70
|
82
|
76
|
86
|
88
|
77
|
92
|
71
|
85
|
90
|
59
|
36
|
53
|
76
|
82
|
75
|
73
|
84
|
79
|
81
|
81
|
67
|
67
|
70
|
46
|
68
|
|
2026/02
|
61
|
82
|
82
|
80
|
95
|
98
|
57
|
69
|
58
|
74
|
88
|
95
|
73
|
89
|
94
|
43
|
114
|
84
|
93
|
64
|
49
|
103
|
109
|
36
|
34
|
26
|
54
|
44
|
|||
|
2026/01
|
40
|
63
|
72
|
71
|
84
|
63
|
51
|
57
|
67
|
89
|
71
|
69
|
93
|
86
|
90
|
111
|
142
|
86
|
26
|
51
|
51
|
72
|
91
|
98
|
112
|
138
|
94
|
81
|
70
|
45
|
51
|
|
2025/12
|
97
|
91
|
60
|
62
|
83
|
86
|
92
|
104
|
117
|
117
|
171
|
78
|
45
|
58
|
60
|
76
|
181
|
186
|
126
|
178
|
67
|
46
|
51
|
91
|
73
|
64
|
74
|
91
|
100
|
146
|
68
|
|
2025/11
|
67
|
81
|
77
|
65
|
71
|
75
|
23
|
40
|
62
|
69
|
55
|
39
|
45
|
77
|
86
|
93
|
44
|
25
|
28
|
43
|
61
|
77
|
91
|
104
|
90
|
68
|
120
|
87
|
73
|
74
|
|
|
2025/10
|
37
|
33
|
15
|
37
|
55
|
50
|
34
|
50
|
58
|
29
|
27
|
33
|
14
|
30
|
36
|
24
|
20
|
14
|
18
|
26
|
27
|
33
|
34
|
38
|
63
|
60
|
58
|
64
|
78
|
58
|
51
|
|
2025/09
|
19
|
29
|
33
|
36
|
37
|
31
|
42
|
35
|
21
|
24
|
22
|
14
|
18
|
21
|
24
|
35
|
21
|
13
|
11
|
14
|
29
|
28
|
14
|
10
|
19
|
14
|
23
|
30
|
16
|
21
|
|
|
2025/08
|
26
|
17
|
26
|
34
|
33
|
25
|
19
|
18
|
20
|
18
|
9
|
16
|
16
|
25
|
22
|
25
|
30
|
32
|
25
|
16
|
16
|
17
|
20
|
27
|
31
|
27
|
29
|
30
|
33
|
24
|
20
|
|
2025/07
|
21
|
19
|
20
|
26
|
36
|
33
|
32
|
35
|
17
|
27
|
41
|
23
|
19
|
27
|
32
|
29
|
31
|
30
|
32
|
24
|
17
|
14
|
15
|
19
|
22
|
23
|
21
|
18
|
19
|
24
|
25
|
|
2025/06
|
18
|
24
|
47
|
55
|
43
|
41
|
23
|
20
|
17
|
20
|
29
|
42
|
35
|
26
|
31
|
47
|
36
|
21
|
11
|
18
|
13
|
14
|
22
|
24
|
33
|
23
|
20
|
19
|
12
|
20
|
|
|
2025/05
|
52
|
62
|
52
|
49
|
42
|
117
|
124
|
46
|
45
|
42
|
44
|
47
|
57
|
73
|
58
|
43
|
76
|
122
|
84
|
42
|
33
|
30
|
59
|
58
|
50
|
61
|
62
|
56
|
40
|
38
|
17
|
|
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