Air Quality
Excellent
No health implications.
23
PM2.5
33
PM10
78
O3
0.3
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Feb
130
Light
Wed
18 Feb
75
Good
Thu
19 Feb
64
Good
Fri
20 Feb
74
Good
Sat
21 Feb
116
Light
Sun
22 Feb
126
Light
Mon
23 Feb
20
Excellent
Air quality in the last 12 months (Tongyu)
|
2026/01
|
62
|
56
|
58
|
52
|
33
|
42
|
42
|
52
|
53
|
50
|
33
|
45
|
29
|
42
|
58
|
76
|
37
|
36
|
38
|
42
|
36
|
35
|
35
|
39
|
50
|
51
|
40
|
43
|
55
|
48
|
48
|
|
2025/12
|
49
|
26
|
27
|
39
|
39
|
46
|
48
|
33
|
51
|
53
|
40
|
43
|
71
|
53
|
66
|
52
|
73
|
110
|
99
|
42
|
57
|
65
|
66
|
41
|
36
|
54
|
55
|
59
|
31
|
32
|
41
|
|
2025/11
|
55
|
29
|
58
|
50
|
85
|
50
|
114
|
192
|
27
|
39
|
59
|
56
|
36
|
58
|
106
|
56
|
35
|
35
|
42
|
31
|
35
|
45
|
72
|
90
|
37
|
57
|
33
|
50
|
66
|
55
|
|
|
2025/10
|
47
|
48
|
54
|
34
|
24
|
29
|
45
|
22
|
32
|
43
|
51
|
35
|
54
|
51
|
33
|
34
|
36
|
27
|
25
|
24
|
32
|
40
|
60
|
48
|
39
|
25
|
30
|
40
|
108
|
35
|
51
|
|
2025/09
|
29
|
28
|
43
|
45
|
43
|
23
|
25
|
24
|
23
|
23
|
37
|
42
|
41
|
38
|
20
|
28
|
21
|
23
|
26
|
35
|
30
|
34
|
40
|
21
|
23
|
29
|
32
|
42
|
38
|
41
|
|
|
2025/08
|
21
|
27
|
15
|
17
|
18
|
15
|
15
|
20
|
19
|
18
|
18
|
22
|
19
|
21
|
31
|
25
|
17
|
23
|
25
|
24
|
22
|
15
|
22
|
17
|
20
|
17
|
26
|
20
|
18
|
27
|
38
|
|
2025/07
|
33
|
26
|
34
|
20
|
23
|
15
|
20
|
29
|
33
|
37
|
37
|
24
|
18
|
21
|
23
|
15
|
15
|
17
|
24
|
16
|
15
|
20
|
27
|
26
|
18
|
22
|
21
|
18
|
16
|
15
|
16
|
|
2025/06
|
18
|
31
|
16
|
16
|
26
|
22
|
18
|
31
|
23
|
19
|
20
|
38
|
33
|
20
|
30
|
19
|
20
|
33
|
21
|
15
|
15
|
22
|
27
|
43
|
40
|
38
|
44
|
26
|
37
|
30
|
|
|
2025/05
|
35
|
25
|
24
|
22
|
30
|
32
|
45
|
50
|
41
|
34
|
40
|
72
|
65
|
81
|
62
|
45
|
30
|
37
|
31
|
41
|
45
|
38
|
27
|
43
|
35
|
43
|
57
|
67
|
60
|
68
|
43
|
|
2025/04
|
65
|
48
|
65
|
81
|
65
|
73
|
67
|
46
|
54
|
69
|
105
|
27
|
19
|
25
|
32
|
35
|
69
|
29
|
27
|
44
|
51
|
19
|
37
|
60
|
57
|
107
|
35
|
33
|
62
|
28
|
|
|
2025/03
|
43
|
37
|
47
|
57
|
73
|
59
|
67
|
80
|
135
|
155
|
122
|
124
|
61
|
41
|
42
|
58
|
87
|
52
|
64
|
61
|
66
|
96
|
161
|
70
|
105
|
110
|
34
|
32
|
30
|
30
|
47
|
|
2025/02
|
84
|
93
|
41
|
39
|
45
|
61
|
31
|
27
|
42
|
64
|
114
|
54
|
41
|
50
|
76
|
42
|
35
|
30
|
33
|
38
|
42
|
42
|
45
|
53
|
96
|
42
|
64
|
66
|
|||
|
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