Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
Thu
14 May
Fri
15 May
Sat
16 May
Sun
17 May
Mon
18 May
Tue
19 May
Real-time AQI (Monitoring Station in Zhaotong)
监测站
5515
PM2.5
57 *
PM10
68
O3
0.4
CO
9
SO2
15
NO2
环东路146号
3014
PM2.5
30
PM10
78
O3
0.5
CO
7
SO2
11
NO2
Air quality in the last 12 months (Zhaotong)
|
2026/04
|
35
|
34
|
35
|
42
|
47
|
44
|
34
|
42
|
36
|
39
|
41
|
34
|
35
|
29
|
37
|
35
|
34
|
36
|
51
|
38
|
31
|
28
|
35
|
42
|
45
|
44
|
33
|
30
|
34
|
42
|
|
|
2026/03
|
42
|
23
|
21
|
28
|
32
|
36
|
31
|
27
|
22
|
29
|
38
|
55
|
48
|
36
|
23
|
31
|
36
|
27
|
37
|
29
|
39
|
30
|
33
|
29
|
34
|
35
|
30
|
31
|
30
|
35
|
27
|
|
2026/02
|
33
|
37
|
40
|
43
|
41
|
53
|
51
|
34
|
39
|
34
|
36
|
53
|
47
|
49
|
40
|
78
|
74
|
38
|
30
|
51
|
56
|
59
|
55
|
46
|
45
|
54
|
43
|
45
|
|||
|
2026/01
|
33
|
25
|
39
|
28
|
33
|
31
|
36
|
44
|
73
|
98
|
77
|
79
|
61
|
51
|
68
|
70
|
79
|
51
|
79
|
36
|
32
|
32
|
60
|
57
|
44
|
41
|
82
|
67
|
53
|
38
|
33
|
|
2025/12
|
81
|
66
|
44
|
31
|
43
|
58
|
45
|
62
|
54
|
46
|
68
|
45
|
37
|
59
|
66
|
59
|
46
|
58
|
55
|
42
|
48
|
55
|
39
|
49
|
41
|
64
|
58
|
69
|
56
|
40
|
37
|
|
2025/11
|
24
|
26
|
24
|
33
|
30
|
22
|
30
|
27
|
23
|
28
|
26
|
26
|
27
|
25
|
35
|
37
|
26
|
24
|
29
|
31
|
37
|
47
|
49
|
55
|
48
|
62
|
57
|
59
|
69
|
79
|
|
|
2025/10
|
23
|
22
|
25
|
27
|
27
|
27
|
20
|
21
|
22
|
26
|
25
|
25
|
24
|
27
|
28
|
26
|
20
|
22
|
19
|
19
|
18
|
26
|
23
|
25
|
24
|
24
|
25
|
31
|
26
|
33
|
26
|
|
2025/09
|
34
|
32
|
36
|
41
|
34
|
29
|
41
|
29
|
34
|
36
|
31
|
27
|
31
|
41
|
37
|
31
|
32
|
28
|
28
|
28
|
31
|
24
|
23
|
28
|
42
|
28
|
25
|
29
|
26
|
19
|
|
|
2025/08
|
36
|
38
|
42
|
46
|
41
|
41
|
36
|
39
|
36
|
34
|
26
|
36
|
35
|
42
|
40
|
37
|
30
|
32
|
37
|
41
|
37
|
28
|
28
|
25
|
32
|
27
|
27
|
33
|
30
|
26
|
28
|
|
2025/07
|
30
|
22
|
28
|
26
|
27
|
24
|
30
|
31
|
24
|
25
|
29
|
28
|
35
|
34
|
35
|
32
|
37
|
40
|
33
|
29
|
27
|
21
|
21
|
21
|
27
|
34
|
30
|
41
|
40
|
42
|
32
|
|
2025/06
|
28
|
27
|
32
|
33
|
35
|
47
|
44
|
40
|
47
|
41
|
37
|
43
|
45
|
48
|
30
|
31
|
28
|
26
|
25
|
32
|
31
|
36
|
39
|
27
|
24
|
21
|
30
|
26
|
31
|
23
|
|
|
2025/05
|
58
|
50
|
52
|
53
|
37
|
29
|
30
|
32
|
43
|
49
|
48
|
45
|
54
|
43
|
49
|
40
|
42
|
45
|
39
|
42
|
46
|
48
|
51
|
47
|
34
|
31
|
26
|
27
|
29
|
23
|
23
|
|
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
*: primary pollution