Air Quality
Excellent
No health implications.
7
PM2.5
21
PM10
19
O3
0.4
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
44
Excellent
Mon
26 May
54
Good
Tue
27 May
48
Excellent
Wed
28 May
75
Good
Thu
29 May
80
Good
Fri
30 May
17
Excellent
Sat
31 May
15
Excellent
Air quality in the last 12 months (Tangyuan)
|
2025/04
|
63
|
55
|
60
|
60
|
55
|
44
|
41
|
54
|
54
|
76
|
95
|
76
|
47
|
22
|
21
|
30
|
92
|
74
|
25
|
36
|
69
|
34
|
34
|
37
|
32
|
18
|
26
|
23
|
37
|
46
|
|
|
2025/03
|
22
|
30
|
27
|
42
|
46
|
56
|
53
|
36
|
55
|
70
|
56
|
40
|
26
|
21
|
26
|
25
|
31
|
31
|
35
|
68
|
44
|
18
|
33
|
40
|
35
|
49
|
24
|
19
|
19
|
24
|
37
|
|
2025/02
|
63
|
88
|
118
|
75
|
36
|
35
|
38
|
41
|
38
|
52
|
68
|
74
|
45
|
41
|
50
|
27
|
31
|
25
|
30
|
44
|
43
|
33
|
35
|
36
|
45
|
35
|
53
|
69
|
|||
|
2025/01
|
80
|
89
|
95
|
108
|
109
|
88
|
69
|
66
|
40
|
58
|
73
|
101
|
118
|
117
|
66
|
54
|
73
|
99
|
135
|
144
|
124
|
153
|
126
|
111
|
118
|
121
|
52
|
40
|
64
|
47
|
52
|
|
2024/12
|
56
|
35
|
29
|
25
|
30
|
32
|
41
|
45
|
55
|
59
|
46
|
46
|
46
|
47
|
41
|
38
|
41
|
41
|
58
|
80
|
77
|
69
|
65
|
49
|
68
|
33
|
44
|
55
|
54
|
62
|
65
|
|
2024/11
|
75
|
46
|
51
|
38
|
55
|
28
|
35
|
48
|
81
|
53
|
70
|
58
|
89
|
130
|
84
|
49
|
25
|
27
|
61
|
84
|
72
|
37
|
37
|
57
|
64
|
36
|
31
|
38
|
44
|
30
|
|
|
2024/10
|
13
|
22
|
17
|
23
|
38
|
30
|
35
|
45
|
47
|
43
|
17
|
29
|
34
|
41
|
19
|
20
|
34
|
34
|
22
|
36
|
26
|
28
|
33
|
38
|
51
|
57
|
51
|
55
|
72
|
56
|
52
|
|
2024/09
|
16
|
17
|
19
|
20
|
14
|
14
|
16
|
22
|
20
|
17
|
15
|
23
|
15
|
18
|
17
|
25
|
25
|
24
|
17
|
17
|
23
|
19
|
19
|
27
|
31
|
18
|
23
|
35
|
30
|
22
|
|
|
2024/08
|
13
|
13
|
13
|
19
|
12
|
13
|
24
|
24
|
20
|
23
|
13
|
15
|
17
|
31
|
22
|
28
|
23
|
29
|
14
|
17
|
26
|
26
|
22
|
18
|
21
|
20
|
20
|
16
|
22
|
20
|
18
|
|
2024/07
|
79
|
48
|
53
|
36
|
32
|
54
|
63
|
57
|
52
|
37
|
50
|
48
|
30
|
45
|
45
|
52
|
35
|
22
|
23
|
26
|
21
|
18
|
22
|
19
|
18
|
14
|
10
|
17
|
15
|
12
|
21
|
|
2024/06
|
16
|
13
|
16
|
15
|
26
|
31
|
39
|
26
|
22
|
21
|
25
|
20
|
20
|
10
|
11
|
12
|
16
|
18
|
30
|
21
|
15
|
14
|
9
|
11
|
14
|
19
|
17
|
43
|
38
|
60
|
|
|
2024/05
|
45
|
54
|
51
|
89
|
103
|
45
|
37
|
39
|
29
|
31
|
21
|
18
|
20
|
23
|
15
|
26
|
25
|
41
|
19
|
17
|
16
|
35
|
20
|
16
|
16
|
22
|
15
|
20
|
15
|
17
|
14
|
|
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