ID: 1289

AQSQID: 060431001

Site Name: Yosemite Village - Visitor Center

Added: April 21, 2020, 6:24 p.m.

Updated: Feb. 27, 2021, 11:32 p.m.

Location: Yosemite National Park (Yosemite Theater), CA

Reporting: True, Located: True

Current AQI: 13.0

Yosemite National Park (Yosemite Theater) CA, US: 37.748707, -119.587094

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (9) 9.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 16.0 μg/m3 (60) 60.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (23) 20.0 μg/m3 (68) 68.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (24) 19.0 μg/m3 (66) 66.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 17.0 μg/m3 (62) 62.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (77) 77.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.2 μg/m3 (39) 3.0 μg/m3 (13) 39.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 15.0 μg/m3 (58) 58.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.7 μg/m3 (31) 22.0 μg/m3 (72) 72.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.4 μg/m3 (36) 38.0 μg/m3 (108) 108.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.8 μg/m3 (32) 33.0 μg/m3 (95) 95.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (15) 13.0 μg/m3 (53) 53.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A -0.3 μg/m3 (0) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.1 μg/m3 (1) 5.0 μg/m3 (21) 21.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (2) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (1) 2.0 μg/m3 (9) 9.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (1) 5.0 μg/m3 (21) 21.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.9 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) -2.0 μg/m3 (0) 9.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) -1.0 μg/m3 (0) 14.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.2 μg/m3 (31) 1.0 μg/m3 (5) 31.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (2) -1.0 μg/m3 (0) 2.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.0 μg/m3 (62) 16.0 μg/m3 (60) 62.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.6 μg/m3 (66) 9.0 μg/m3 (38) 66.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 4.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 2.0 μg/m3 (9) 18.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (20) 20.0 μg/m3 (68) 68.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 24.0 μg/m3 (77) 77.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.1 μg/m3 (28) 29.0 μg/m3 (87) 87.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.3 μg/m3 (30) 28.0 μg/m3 (85) 85.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 25.0 μg/m3 (79) 79.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.3 μg/m3 (28) 24.0 μg/m3 (77) 77.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (23) 19.0 μg/m3 (66) 66.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 2.0 μg/m3 (9) 18.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (4) -2.0 μg/m3 (0) 4.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) 8.0 μg/m3 (34) 34.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (3) 2.0 μg/m3 (9) 9.0