Air Quality
Excellent
No health implications.
7
PM2.5
7
PM10
24
O3
0.7
CO
5
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
79
Good
Sat
15 Mar
69
Good
Sun
16 Mar
70
Good
Mon
17 Mar
84
Good
Tue
18 Mar
77
Good
Wed
19 Mar
70
Good
Thu
20 Mar
18
Excellent
Air quality in the last 12 months (Hetang)
|
2025/01
|
128
|
124
|
197
|
206
|
87
|
83
|
91
|
76
|
60
|
57
|
65
|
84
|
83
|
83
|
81
|
67
|
81
|
83
|
139
|
119
|
109
|
99
|
235
|
219
|
18
|
32
|
61
|
125
|
271
|
111
|
57
|
|
2024/12
|
75
|
77
|
124
|
159
|
50
|
62
|
72
|
92
|
108
|
66
|
73
|
91
|
107
|
51
|
66
|
85
|
74
|
88
|
94
|
123
|
113
|
96
|
77
|
101
|
133
|
130
|
169
|
86
|
95
|
118
|
152
|
|
2024/11
|
83
|
144
|
121
|
112
|
115
|
78
|
59
|
61
|
70
|
120
|
81
|
91
|
72
|
112
|
132
|
153
|
25
|
14
|
33
|
47
|
55
|
72
|
73
|
94
|
38
|
24
|
46
|
63
|
66
|
59
|
|
|
2024/10
|
37
|
47
|
55
|
48
|
54
|
82
|
70
|
58
|
67
|
69
|
71
|
79
|
213
|
70
|
87
|
86
|
45
|
49
|
25
|
38
|
54
|
21
|
38
|
46
|
57
|
77
|
96
|
138
|
87
|
72
|
54
|
|
2024/09
|
46
|
44
|
52
|
43
|
38
|
42
|
38
|
36
|
41
|
38
|
42
|
34
|
29
|
44
|
42
|
50
|
47
|
42
|
49
|
51
|
30
|
34
|
39
|
58
|
66
|
96
|
77
|
53
|
39
|
48
|
|
|
2024/08
|
20
|
21
|
25
|
36
|
35
|
33
|
32
|
36
|
35
|
36
|
33
|
27
|
29
|
36
|
33
|
29
|
35
|
19
|
33
|
38
|
49
|
28
|
24
|
26
|
38
|
36
|
43
|
29
|
32
|
46
|
45
|
|
2024/07
|
20
|
23
|
22
|
21
|
21
|
21
|
22
|
22
|
26
|
31
|
30
|
31
|
27
|
23
|
35
|
22
|
18
|
18
|
18
|
21
|
24
|
22
|
32
|
39
|
46
|
33
|
27
|
8
|
13
|
19
|
19
|
|
2024/06
|
21
|
33
|
35
|
21
|
28
|
40
|
38
|
42
|
33
|
19
|
19
|
16
|
21
|
22
|
29
|
31
|
17
|
20
|
15
|
24
|
25
|
26
|
26
|
18
|
10
|
13
|
29
|
23
|
24
|
21
|
|
|
2024/05
|
45
|
45
|
45
|
17
|
50
|
35
|
54
|
60
|
57
|
62
|
45
|
88
|
87
|
64
|
57
|
64
|
57
|
53
|
41
|
33
|
59
|
24
|
39
|
37
|
36
|
29
|
24
|
23
|
34
|
18
|
43
|
|
2024/04
|
36
|
37
|
55
|
62
|
65
|
72
|
74
|
65
|
45
|
52
|
68
|
49
|
62
|
50
|
75
|
33
|
40
|
56
|
28
|
34
|
48
|
50
|
40
|
56
|
73
|
51
|
56
|
42
|
47
|
14
|
|
|
2024/03
|
85
|
64
|
51
|
44
|
73
|
115
|
67
|
61
|
57
|
76
|
81
|
60
|
69
|
89
|
60
|
59
|
76
|
23
|
59
|
77
|
75
|
52
|
31
|
41
|
37
|
35
|
48
|
34
|
35
|
49
|
35
|
|
2024/02
|
42
|
18
|
24
|
58
|
65
|
36
|
90
|
123
|
168
|
259
|
102
|
88
|
54
|
54
|
61
|
41
|
37
|
32
|
64
|
30
|
14
|
39
|
49
|
46
|
73
|
72
|
85
|
53
|
72
|
||
|
1
|
2
|
3
|
4
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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