No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
16 Mar
Tue
17 Mar
Wed
18 Mar
Thu
19 Mar
Fri
20 Mar
Sat
21 Mar
Sun
22 Mar
八廓街
253
PM2.5
7
PM10
80
O3
0.2
CO
4
SO2
6
NO2
市环保局
253
PM2.5
10
PM10
78
O3
0.3
CO
4
SO2
8
NO2
西藏大学
256
PM2.5
7
PM10
77
O3
0.5
CO
5
SO2
9
NO2
区辐射站
243
PM2.5
9
PM10
76
O3
0.5
CO
4
SO2
13
NO2
拉萨火车站
193
PM2.5
6
PM10
58
O3
0.4
CO
4
SO2
8
NO2
|
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
|
|
2025/04
|
31
|
34
|
27
|
29
|
29
|
23
|
28
|
31
|
21
|
26
|
15
|
14
|
16
|
21
|
14
|
24
|
19
|
26
|
29
|
16
|
19
|
29
|
26
|
24
|
31
|
35
|
26
|
19
|
17
|
23
|
|
|
2025/03
|
25
|
16
|
21
|
36
|
40
|
34
|
28
|
26
|
16
|
20
|
30
|
18
|
15
|
14
|
17
|
23
|
20
|
18
|
21
|
24
|
38
|
25
|
15
|
13
|
14
|
21
|
22
|
26
|
39
|
37
|
27
|
|
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