Air Quality
Excellent
No health implications.
32
PM2.5
50
PM10
12
O3
1.0
CO
5
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
85
Good
Tue
29 Apr
84
Good
Wed
30 Apr
92
Good
Thu
1 May
85
Good
Fri
2 May
86
Good
Sat
3 May
89
Good
Sun
4 May
30
Excellent
Air quality in the last 12 months (Hetang)
|
2025/02
|
55
|
44
|
75
|
70
|
87
|
91
|
69
|
45
|
56
|
55
|
72
|
83
|
106
|
118
|
65
|
69
|
66
|
45
|
53
|
51
|
117
|
31
|
47
|
74
|
112
|
89
|
76
|
61
|
|||
|
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
|
|
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