No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
16 May
Sun
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Fri
22 May
八廓街
389
PM2.5
13
PM10
121
O3
0.6
CO
5
SO2
8
NO2
市环保局
368
PM2.5
18
PM10
114
O3
0.4
CO
5
SO2
10
NO2
区监测站
366
PM2.5
9
PM10
115
O3
0.8
CO
5
SO2
10
NO2
西藏大学
376
PM2.5
14
PM10
117
O3
0.3
CO
5
SO2
13
NO2
区辐射站
333
PM2.5
15
PM10
104
O3
0.4
CO
6
SO2
13
NO2
拉萨火车站
373
PM2.5
17
PM10
116
O3
0.5
CO
4
SO2
9
NO2
|
2026/04
|
31
|
32
|
29
|
25
|
27
|
37
|
36
|
37
|
41
|
55
|
45
|
42
|
43
|
36
|
37
|
41
|
30
|
33
|
31
|
31
|
34
|
36
|
32
|
30
|
30
|
37
|
31
|
30
|
33
|
30
|
|
|
2026/03
|
40
|
34
|
31
|
28
|
26
|
27
|
25
|
28
|
28
|
25
|
27
|
27
|
27
|
29
|
32
|
35
|
38
|
32
|
29
|
27
|
30
|
34
|
35
|
32
|
39
|
37
|
33
|
30
|
30
|
26
|
25
|
|
2026/02
|
26
|
29
|
21
|
18
|
15
|
16
|
19
|
17
|
20
|
27
|
25
|
14
|
12
|
20
|
15
|
27
|
27
|
33
|
20
|
17
|
15
|
16
|
13
|
12
|
16
|
14
|
34
|
46
|
|||
|
2026/01
|
27
|
27
|
20
|
18
|
27
|
41
|
43
|
29
|
38
|
49
|
39
|
19
|
27
|
40
|
30
|
24
|
30
|
35
|
33
|
26
|
26
|
22
|
26
|
25
|
19
|
24
|
22
|
35
|
15
|
21
|
21
|
|
2025/12
|
33
|
36
|
40
|
31
|
31
|
31
|
34
|
39
|
32
|
30
|
30
|
32
|
30
|
36
|
36
|
31
|
33
|
31
|
46
|
39
|
38
|
46
|
42
|
39
|
32
|
35
|
34
|
34
|
28
|
26
|
27
|
|
2025/11
|
13
|
11
|
16
|
22
|
30
|
20
|
22
|
20
|
20
|
23
|
30
|
29
|
29
|
29
|
29
|
25
|
26
|
25
|
30
|
28
|
29
|
30
|
27
|
30
|
28
|
26
|
27
|
34
|
30
|
31
|
|
|
2025/10
|
15
|
11
|
10
|
10
|
9
|
12
|
14
|
13
|
10
|
11
|
12
|
13
|
16
|
18
|
20
|
18
|
17
|
13
|
16
|
16
|
21
|
23
|
14
|
13
|
17
|
18
|
19
|
25
|
14
|
18
|
10
|
|
2025/09
|
11
|
10
|
14
|
14
|
15
|
10
|
14
|
13
|
13
|
17
|
12
|
13
|
15
|
12
|
9
|
10
|
14
|
12
|
11
|
10
|
14
|
13
|
18
|
20
|
18
|
16
|
15
|
12
|
14
|
19
|
|
|
2025/08
|
12
|
13
|
10
|
11
|
12
|
14
|
16
|
10
|
13
|
11
|
11
|
16
|
20
|
16
|
15
|
14
|
13
|
10
|
10
|
12
|
10
|
9
|
11
|
11
|
11
|
12
|
10
|
9
|
12
|
18
|
15
|
|
2025/07
|
10
|
13
|
14
|
12
|
13
|
20
|
21
|
25
|
26
|
19
|
16
|
19
|
13
|
11
|
14
|
11
|
11
|
17
|
19
|
16
|
10
|
11
|
12
|
13
|
13
|
11
|
11
|
11
|
10
|
12
|
12
|
|
2025/06
|
12
|
13
|
15
|
15
|
12
|
12
|
11
|
18
|
23
|
21
|
25
|
27
|
19
|
12
|
11
|
11
|
13
|
13
|
10
|
10
|
19
|
20
|
18
|
12
|
22
|
26
|
26
|
16
|
11
|
13
|
|
|
2025/05
|
16
|
13
|
14
|
16
|
17
|
12
|
17
|
32
|
36
|
33
|
33
|
23
|
17
|
14
|
12
|
11
|
11
|
12
|
15
|
10
|
22
|
25
|
18
|
29
|
14
|
11
|
14
|
24
|
23
|
15
|
10
|
|
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
|
*: primary pollution