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
15 May
Sat
16 May
Sun
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Real-time AQI (Monitoring Station in Hechi)
市环保站
3927
PM2.5
35
PM10
59
O3
0.7
CO
6
SO2
13
NO2
上任中路54号
5031
PM2.5
50
PM10
39
O3
0.8
CO
6
SO2
30
NO2
Air quality in the last 12 months (Hechi)
|
2026/04
|
24
|
57
|
62
|
34
|
59
|
98
|
42
|
59
|
65
|
67
|
71
|
71
|
70
|
54
|
48
|
48
|
22
|
28
|
43
|
48
|
37
|
20
|
16
|
23
|
34
|
46
|
43
|
24
|
25
|
25
|
|
|
2026/03
|
40
|
17
|
15
|
19
|
39
|
47
|
61
|
51
|
11
|
18
|
28
|
40
|
49
|
59
|
65
|
56
|
36
|
25
|
40
|
28
|
27
|
34
|
58
|
56
|
40
|
66
|
50
|
28
|
41
|
50
|
35
|
|
2026/02
|
29
|
46
|
59
|
104
|
159
|
99
|
30
|
15
|
20
|
15
|
26
|
29
|
17
|
34
|
52
|
38
|
19
|
26
|
17
|
42
|
84
|
108
|
98
|
45
|
36
|
55
|
35
|
41
|
|||
|
2026/01
|
13
|
16
|
34
|
28
|
18
|
27
|
41
|
47
|
58
|
78
|
64
|
85
|
92
|
101
|
106
|
114
|
103
|
80
|
70
|
29
|
11
|
24
|
39
|
55
|
53
|
29
|
28
|
38
|
70
|
28
|
15
|
|
2025/12
|
75
|
74
|
57
|
67
|
58
|
64
|
73
|
55
|
64
|
84
|
91
|
76
|
20
|
38
|
49
|
60
|
62
|
52
|
60
|
60
|
38
|
54
|
58
|
17
|
32
|
48
|
56
|
58
|
77
|
75
|
75
|
|
2025/11
|
19
|
22
|
7
|
10
|
16
|
30
|
39
|
18
|
9
|
9
|
9
|
22
|
36
|
36
|
38
|
39
|
43
|
16
|
19
|
28
|
31
|
38
|
43
|
52
|
42
|
46
|
48
|
53
|
53
|
63
|
|
|
2025/10
|
21
|
24
|
24
|
24
|
24
|
12
|
18
|
21
|
26
|
30
|
33
|
35
|
29
|
19
|
19
|
23
|
31
|
38
|
14
|
8
|
8
|
10
|
16
|
34
|
37
|
20
|
24
|
26
|
39
|
48
|
26
|
|
2025/09
|
22
|
24
|
18
|
23
|
21
|
22
|
29
|
26
|
16
|
16
|
17
|
15
|
21
|
23
|
23
|
20
|
19
|
21
|
25
|
34
|
19
|
19
|
16
|
11
|
8
|
13
|
22
|
27
|
24
|
33
|
|
|
2025/08
|
18
|
29
|
29
|
37
|
26
|
20
|
20
|
27
|
25
|
24
|
24
|
30
|
26
|
28
|
11
|
16
|
21
|
18
|
12
|
14
|
22
|
21
|
25
|
26
|
25
|
22
|
23
|
22
|
24
|
23
|
23
|
|
2025/07
|
20
|
20
|
21
|
24
|
25
|
31
|
32
|
35
|
34
|
24
|
22
|
25
|
26
|
18
|
22
|
28
|
27
|
32
|
23
|
26
|
17
|
12
|
12
|
20
|
21
|
18
|
23
|
30
|
29
|
29
|
24
|
|
2025/06
|
29
|
16
|
14
|
27
|
43
|
34
|
30
|
26
|
26
|
27
|
28
|
29
|
24
|
22
|
26
|
19
|
18
|
18
|
15
|
15
|
17
|
18
|
25
|
27
|
24
|
27
|
21
|
19
|
23
|
20
|
|
|
2025/05
|
28
|
47
|
51
|
26
|
27
|
24
|
22
|
45
|
21
|
28
|
20
|
34
|
45
|
41
|
26
|
16
|
22
|
20
|
22
|
24
|
25
|
30
|
20
|
41
|
35
|
25
|
38
|
37
|
9
|
28
|
30
|
|
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