Air Quality
Excellent
No health implications.
4
PM2.5
19
PM10
78
O3
0.3
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
37
Excellent
Tue
13 May
37
Excellent
Wed
14 May
41
Excellent
Thu
15 May
38
Excellent
Fri
16 May
36
Excellent
Sat
17 May
36
Excellent
Sun
18 May
38
Excellent
Tianya Air quality rank
Air quality in the last 12 months (Tianya)
|
2025/02
|
20
|
16
|
18
|
12
|
18
|
28
|
27
|
12
|
28
|
33
|
18
|
17
|
25
|
9
|
9
|
12
|
19
|
32
|
43
|
32
|
32
|
18
|
12
|
10
|
11
|
22
|
29
|
26
|
|||
|
2025/01
|
47
|
42
|
42
|
41
|
46
|
55
|
42
|
37
|
40
|
56
|
42
|
44
|
34
|
16
|
17
|
49
|
53
|
44
|
39
|
41
|
33
|
33
|
31
|
28
|
23
|
21
|
17
|
34
|
37
|
31
|
25
|
|
2024/12
|
32
|
28
|
24
|
23
|
27
|
30
|
36
|
40
|
23
|
24
|
16
|
19
|
11
|
24
|
46
|
37
|
33
|
35
|
40
|
39
|
39
|
39
|
24
|
35
|
30
|
13
|
16
|
37
|
49
|
35
|
33
|
|
2024/11
|
30
|
38
|
20
|
13
|
29
|
32
|
27
|
37
|
42
|
34
|
19
|
19
|
25
|
25
|
23
|
24
|
22
|
18
|
19
|
9
|
9
|
12
|
13
|
9
|
17
|
18
|
18
|
29
|
32
|
31
|
|
|
2024/10
|
18
|
29
|
29
|
34
|
34
|
29
|
14
|
36
|
49
|
44
|
27
|
26
|
23
|
14
|
11
|
9
|
11
|
12
|
15
|
17
|
16
|
23
|
33
|
27
|
30
|
23
|
17
|
11
|
7
|
7
|
26
|
|
2024/09
|
12
|
12
|
14
|
18
|
24
|
17
|
30
|
23
|
21
|
14
|
13
|
14
|
12
|
11
|
15
|
18
|
17
|
15
|
8
|
9
|
14
|
11
|
9
|
8
|
15
|
14
|
15
|
13
|
13
|
13
|
|
|
2024/08
|
17
|
16
|
17
|
18
|
18
|
17
|
16
|
15
|
17
|
18
|
21
|
20
|
16
|
13
|
16
|
16
|
16
|
21
|
21
|
16
|
23
|
19
|
16
|
15
|
15
|
15
|
16
|
19
|
19
|
16
|
15
|
|
2024/07
|
19
|
18
|
16
|
10
|
9
|
10
|
11
|
13
|
16
|
18
|
15
|
11
|
13
|
11
|
13
|
12
|
9
|
12
|
11
|
12
|
14
|
11
|
19
|
21
|
19
|
22
|
19
|
19
|
13
|
17
|
19
|
|
2024/06
|
12
|
17
|
16
|
24
|
26
|
19
|
21
|
14
|
19
|
17
|
21
|
21
|
19
|
21
|
29
|
26
|
22
|
21
|
21
|
20
|
16
|
9
|
8
|
15
|
18
|
12
|
12
|
12
|
16
|
21
|
|
|
2024/05
|
26
|
17
|
16
|
22
|
24
|
22
|
17
|
20
|
27
|
23
|
21
|
22
|
20
|
13
|
13
|
22
|
20
|
12
|
15
|
17
|
15
|
10
|
12
|
15
|
11
|
18
|
20
|
19
|
23
|
18
|
14
|
|
2024/04
|
23
|
27
|
25
|
25
|
21
|
26
|
27
|
22
|
33
|
29
|
28
|
32
|
29
|
28
|
25
|
22
|
23
|
23
|
25
|
20
|
23
|
19
|
20
|
22
|
18
|
26
|
32
|
24
|
22
|
22
|
|
|
2024/03
|
16
|
10
|
13
|
23
|
36
|
46
|
36
|
12
|
33
|
35
|
35
|
21
|
24
|
33
|
41
|
35
|
26
|
30
|
25
|
17
|
31
|
42
|
31
|
28
|
28
|
32
|
35
|
27
|
27
|
21
|
25
|
|
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