Air Quality
Excellent
No health implications.
10
PM2.5
14
PM10
60
O3
0.7
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
131
Light
Tue
17 Feb
249
Heavy
Wed
18 Feb
128
Light
Thu
19 Feb
95
Good
Fri
20 Feb
85
Good
Sat
21 Feb
28
Excellent
Sun
22 Feb
36
Excellent
Hetang Air quality rank
Air quality in the last 12 months (Hetang)
|
2026/01
|
41
|
64
|
75
|
60
|
72
|
109
|
91
|
85
|
75
|
77
|
103
|
79
|
109
|
90
|
104
|
123
|
173
|
161
|
31
|
33
|
75
|
72
|
78
|
64
|
92
|
114
|
145
|
101
|
64
|
35
|
52
|
|
2025/12
|
100
|
119
|
79
|
65
|
81
|
95
|
108
|
138
|
147
|
125
|
90
|
109
|
26
|
57
|
63
|
62
|
100
|
144
|
98
|
121
|
127
|
84
|
54
|
77
|
78
|
77
|
93
|
85
|
90
|
178
|
161
|
|
2025/11
|
69
|
65
|
58
|
65
|
56
|
44
|
81
|
14
|
22
|
27
|
62
|
68
|
52
|
58
|
66
|
75
|
65
|
28
|
37
|
54
|
63
|
64
|
70
|
66
|
63
|
73
|
88
|
85
|
73
|
68
|
|
|
2025/10
|
66
|
52
|
54
|
61
|
58
|
33
|
53
|
67
|
60
|
56
|
87
|
207
|
109
|
96
|
90
|
77
|
46
|
16
|
10
|
12
|
20
|
29
|
40
|
45
|
75
|
80
|
86
|
78
|
77
|
111
|
95
|
|
2025/09
|
31
|
28
|
32
|
37
|
42
|
42
|
47
|
29
|
34
|
18
|
27
|
26
|
37
|
41
|
38
|
37
|
32
|
40
|
27
|
32
|
42
|
38
|
50
|
20
|
26
|
42
|
63
|
53
|
58
|
54
|
|
|
2025/08
|
41
|
57
|
30
|
25
|
26
|
13
|
12
|
19
|
29
|
32
|
44
|
40
|
40
|
23
|
13
|
27
|
29
|
28
|
13
|
17
|
18
|
20
|
28
|
26
|
21
|
27
|
33
|
26
|
26
|
38
|
35
|
|
2025/07
|
17
|
16
|
28
|
30
|
44
|
42
|
51
|
54
|
34
|
21
|
28
|
27
|
27
|
26
|
32
|
28
|
30
|
35
|
33
|
21
|
13
|
14
|
16
|
23
|
27
|
33
|
24
|
24
|
24
|
22
|
32
|
|
2025/06
|
19
|
24
|
43
|
42
|
52
|
45
|
32
|
28
|
32
|
43
|
25
|
18
|
34
|
18
|
16
|
24
|
17
|
12
|
14
|
19
|
23
|
15
|
20
|
19
|
36
|
39
|
23
|
14
|
17
|
21
|
|
|
2025/05
|
58
|
59
|
64
|
64
|
43
|
53
|
63
|
41
|
35
|
53
|
50
|
48
|
46
|
53
|
68
|
29
|
25
|
37
|
30
|
17
|
24
|
25
|
33
|
52
|
61
|
53
|
68
|
21
|
27
|
28
|
21
|
|
2025/04
|
64
|
64
|
62
|
80
|
77
|
83
|
74
|
77
|
72
|
66
|
53
|
259
|
167
|
142
|
80
|
65
|
71
|
73
|
31
|
49
|
31
|
46
|
61
|
30
|
33
|
41
|
48
|
56
|
71
|
52
|
|
|
2025/03
|
34
|
37
|
12
|
34
|
50
|
56
|
49
|
52
|
63
|
52
|
47
|
73
|
79
|
24
|
32
|
48
|
49
|
44
|
50
|
53
|
61
|
60
|
88
|
84
|
72
|
79
|
79
|
61
|
59
|
30
|
57
|
|
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
|
|||
|
1
|
2
|
3
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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