ID: 330

AQSQID: 150031001

Site Name: Honolulu

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

Updated: March 6, 2021, 10:32 a.m.

Location: Honolulu (Downtown), HI

Reporting: True, Located: True

Current AQI: 7.0

Honolulu (Downtown) HI, US: 21.310301, -157.858093

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 5.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 4.0 μg/m3 (4) 7.0 μg/m3 (30) 30.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 7.0 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 5.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.5 ppb (6) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.5 ppb (6) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 5.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 5.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 1.0 μg/m3 (1) 3.0 μg/m3 (13) 13.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 5.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 5.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 10.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
March 4, 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
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 13.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 21.0 μg/m3 (20) 2.0 μg/m3 (9) 20.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 22.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 2.0 μg/m3 (9) 27.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 16.0 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 20.0 μg/m3 (19) 2.0 μg/m3 (9) 19.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 22.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 20.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 22.0 μg/m3 (21) 3.0 μg/m3 (13) 21.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 18.0 μg/m3 (17) 14.0 μg/m3 (55) 55.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 1.0 μg/m3 (5) 21.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 14.0 μg/m3 (13) 15.0 μg/m3 (58) 58.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 10.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 9.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 18.0 μg/m3 (17) 1.0 μg/m3 (5) 17.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 19.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 12.0 μg/m3 (12) 14.0 μg/m3 (55) 55.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (16) 2.0 μg/m3 (9) 16.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 22.0 μg/m3 (21) 0.0 μg/m3 (0) 21.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0