ID: 179

AQSQID: 060655001

Site Name: Palm Springs - Fire Station

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

Updated: Jan. 25, 2021, 4:31 a.m.

Location: Palm Spgs (Racquet Club Estates), CA

Reporting: True, Located: True

Current AQI: 25.0

Palm Spgs (Racquet Club Estates) CA, US: 33.852605, -116.540965

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2021, 3 a.m. 11.1 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.19 ppb (3) 11.0 μg/m3 (11) N/A 25.0
 
Jan. 25, 2021, 2 a.m. 13.4 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.22 ppb (3) 8.3 μg/m3 (8) N/A 21.0
 
Jan. 25, 2021, 1 a.m. 5.8 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.15 ppb (2) 8.8 μg/m3 (9) N/A 30.0
 
Jan. 25, 2021, midnight 5.6 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.15 ppb (2) 5.6 μg/m3 (6) N/A 31.0
 
Jan. 24, 2021, 11 p.m. 2.9 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 2.8 μg/m3 (3) N/A 38.0
 
Jan. 24, 2021, 10 p.m. 2.8 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 5.0 μg/m3 (5) N/A 38.0
 
Jan. 24, 2021, 9 p.m. 1.5 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 3.2 μg/m3 (3) N/A 38.0
 
Jan. 24, 2021, 8 p.m. 2.3 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.11 ppb (2) 7.9 μg/m3 (8) N/A 35.0
 
Jan. 24, 2021, 7 p.m. 2.2 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.11 ppb (2) 4.5 μg/m3 (5) N/A 33.0
 
Jan. 24, 2021, 6 p.m. 2.6 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.1 ppb (2) 7.5 μg/m3 (7) N/A 33.0
 
Jan. 24, 2021, 5 p.m. 2.1 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 13.3 μg/m3 (13) N/A 31.0
 
Jan. 24, 2021, 4 p.m. 17.1 ppb (17) 11.1 ppb (11) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.13 ppb (2) 11.2 μg/m3 (11) N/A 26.0
 
Jan. 24, 2021, 3 p.m. 7.5 ppb (8) 3.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.13 ppb (2) 6.0 μg/m3 (6) N/A 26.0
 
Jan. 24, 2021, 2 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.1 ppb (2) 4.2 μg/m3 (4) N/A 34.0
 
Jan. 24, 2021, 1 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.11 ppb (2) 0.7 μg/m3 (1) N/A 32.0
 
Jan. 24, 2021, noon 4.7 ppb (5) 2.5 ppb (3) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 3.2 μg/m3 (3) N/A 31.0
 
Jan. 24, 2021, 11 a.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.11 ppb (2) -0.9 μg/m3 (0) N/A 33.0
 
Jan. 24, 2021, 10 a.m. 1.4 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 5.3 μg/m3 (5) N/A 35.0
 
Jan. 24, 2021, 9 a.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 5.0 μg/m3 (5) N/A 35.0
 
Jan. 24, 2021, 8 a.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.11 ppb (2) 6.4 μg/m3 (6) N/A 36.0
 
Jan. 24, 2021, 7 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.1 ppb (2) 1.7 μg/m3 (2) N/A 36.0
 
Jan. 24, 2021, 6 a.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.09 ppb (2) 1.3 μg/m3 (2) N/A 36.0
 
Jan. 24, 2021, 5 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 2.2 μg/m3 (3) N/A 35.0
 
Jan. 24, 2021, 4 a.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.12 ppb (2) 2.8 μg/m3 (3) N/A 30.0
 
Jan. 24, 2021, 3 a.m. 7.4 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.11 ppb (2) 4.1 μg/m3 (4) N/A 27.0
 
Jan. 24, 2021, 2 a.m. 4.4 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.12 ppb (2) 2.1 μg/m3 (2) N/A 30.0
 
Jan. 24, 2021, 1 a.m. 3.8 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.1 ppb (2) 3.0 μg/m3 (3) N/A 31.0
 
Jan. 24, 2021, midnight 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.11 ppb (2) 3.4 μg/m3 (4) N/A 32.0
 
Jan. 23, 2021, 11 p.m. 2.3 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 3.0 μg/m3 (3) N/A 35.0
 
Jan. 23, 2021, 10 p.m. 2.4 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 2.6 μg/m3 (3) N/A 35.0
 
Jan. 23, 2021, 9 p.m. 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.09 ppb (2) 2.8 μg/m3 (3) N/A 36.0
 
Jan. 23, 2021, 8 p.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.12 ppb (2) 0.8 μg/m3 (1) N/A 38.0
 
Jan. 23, 2021, 7 p.m. 2.4 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.11 ppb (2) 2.2 μg/m3 (3) N/A 38.0
 
Jan. 23, 2021, 6 p.m. 4.3 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.13 ppb (2) 11.0 μg/m3 (11) N/A 34.0
 
Jan. 23, 2021, 5 p.m. 7.7 ppb (8) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.14 ppb (2) 17.1 μg/m3 (16) N/A 30.0
 
Jan. 23, 2021, 4 p.m. 12.8 ppb (13) 3.7 ppb (4) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.18 ppb (3) 13.7 μg/m3 (13) N/A 24.0
 
Jan. 23, 2021, 3 p.m. 23.5 ppb (23) 7.9 ppb (8) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) 0.23 ppb (3) 7.0 μg/m3 (7) N/A 23.0
 
Jan. 23, 2021, 2 p.m. 11.5 ppb (11) 2.5 ppb (3) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.15 ppb (2) 8.0 μg/m3 (8) N/A 22.0
 
Jan. 23, 2021, 1 p.m. 19.6 ppb (19) 9.2 ppb (9) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.13 ppb (2) 8.0 μg/m3 (8) N/A 20.0
 
Jan. 23, 2021, noon 7.8 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) 0.15 ppb (2) 8.3 μg/m3 (8) N/A 20.0
 
Jan. 23, 2021, 11 a.m. 11.3 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.17 ppb (3) 8.3 μg/m3 (8) N/A 19.0
 
Jan. 23, 2021, 10 a.m. 10.9 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.15 ppb (2) 6.3 μg/m3 (6) N/A 19.0
 
Jan. 23, 2021, 9 a.m. 9.7 ppb (10) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.21 ppb (3) 8.7 μg/m3 (9) N/A 23.0
 
Jan. 23, 2021, 8 a.m. 10.4 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.13 ppb (2) 10.4 μg/m3 (10) N/A 25.0
 
Jan. 23, 2021, 7 a.m. 7.1 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.15 ppb (2) 12.6 μg/m3 (12) N/A 27.0
 
Jan. 23, 2021, 6 a.m. 11.0 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.18 ppb (3) 11.9 μg/m3 (12) N/A 25.0
 
Jan. 23, 2021, 5 a.m. 22.4 ppb (22) 11.3 ppb (11) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.14 ppb (2) 15.6 μg/m3 (15) N/A 30.0
 
Jan. 23, 2021, 4 a.m. 9.5 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.13 ppb (2) 19.8 μg/m3 (19) N/A 33.0
 
Jan. 23, 2021, 3 a.m. 5.5 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.11 ppb (2) 19.9 μg/m3 (19) N/A 37.0
 
Jan. 23, 2021, 2 a.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 23.8 μg/m3 (23) N/A 38.0
 
Jan. 23, 2021, 1 a.m. 10.7 ppb (11) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 28.0 ppb (26) 0.16 ppb (3) 28.1 μg/m3 (27) N/A 27.0
 
Jan. 23, 2021, midnight 7.1 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.16 ppb (3) 19.0 μg/m3 (18) N/A 34.0
 
Jan. 22, 2021, 11 p.m. 5.4 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.12 ppb (2) 16.4 μg/m3 (16) N/A 38.0
 
Jan. 22, 2021, 10 p.m. 4.6 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.12 ppb (2) 21.5 μg/m3 (20) N/A 37.0
 
Jan. 22, 2021, 9 p.m. 5.7 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.13 ppb (2) 26.3 μg/m3 (25) N/A 33.0
 
Jan. 22, 2021, 8 p.m. 6.7 ppb (7) 2.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.14 ppb (2) 26.8 μg/m3 (25) N/A 28.0
 
Jan. 22, 2021, 7 p.m. 7.2 ppb (7) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.14 ppb (2) 26.8 μg/m3 (25) N/A 25.0
 
Jan. 22, 2021, 6 p.m. 7.8 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) 0.14 ppb (2) 29.9 μg/m3 (28) N/A 28.0
 
Jan. 22, 2021, 5 p.m. 14.9 ppb (15) 4.6 ppb (5) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.19 ppb (3) 30.3 μg/m3 (29) N/A 29.0
 
Jan. 22, 2021, 4 p.m. 26.7 ppb (26) 13.4 ppb (13) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) 0.26 ppb (4) 18.7 μg/m3 (18) N/A 26.0
 
Jan. 22, 2021, 3 p.m. 33.3 ppb (32) 12.2 ppb (12) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.3 ppb (4) 17.0 μg/m3 (16) N/A 32.0
 
Jan. 22, 2021, 2 p.m. 24.5 ppb (24) 5.8 ppb (6) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) 0.22 ppb (3) 13.7 μg/m3 (13) N/A 24.0
 
Jan. 22, 2021, 1 p.m. 14.0 ppb (14) 2.5 ppb (3) N/A 12.0 ppb (12) N/A N/A 11.0 ppb (11) 0.2 ppb (3) 10.9 μg/m3 (11) N/A 14.0
 
Jan. 22, 2021, noon 12.1 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.18 ppb (3) 11.5 μg/m3 (11) N/A 13.0
 
Jan. 22, 2021, 11 a.m. 12.6 ppb (12) 1.5 ppb (2) N/A 11.0 ppb (11) N/A N/A 13.0 ppb (13) 0.16 ppb (3) 13.2 μg/m3 (13) N/A 13.0
 
Jan. 22, 2021, 10 a.m. 13.4 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.19 ppb (3) 16.2 μg/m3 (15) N/A 15.0
 
Jan. 22, 2021, 9 a.m. 10.0 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.13 ppb (2) 16.9 μg/m3 (16) N/A 16.0
 
Jan. 22, 2021, 8 a.m. 10.2 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) 0.15 ppb (2) 17.5 μg/m3 (17) N/A 17.0
 
Jan. 22, 2021, 7 a.m. 11.5 ppb (11) 1.4 ppb (2) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.18 ppb (3) 12.7 μg/m3 (12) N/A 18.0
 
Jan. 22, 2021, 6 a.m. 9.0 ppb (9) 1.4 ppb (2) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.18 ppb (3) 14.2 μg/m3 (14) N/A 21.0
 
Jan. 22, 2021, 5 a.m. 18.3 ppb (18) 6.9 ppb (7) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.19 ppb (3) 18.1 μg/m3 (17) N/A 18.0
 
Jan. 22, 2021, 4 a.m. 12.3 ppb (12) 1.3 ppb (2) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.19 ppb (3) 17.2 μg/m3 (16) N/A 23.0
 
Jan. 22, 2021, 3 a.m. 7.9 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.13 ppb (2) 18.7 μg/m3 (18) N/A 31.0
 
Jan. 22, 2021, 2 a.m. 13.5 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) 0.14 ppb (2) 16.3 μg/m3 (16) N/A 28.0
 
Jan. 22, 2021, 1 a.m. 7.0 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.15 ppb (2) 20.8 μg/m3 (20) N/A 36.0
 
Jan. 22, 2021, midnight 5.2 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.11 ppb (2) 15.7 μg/m3 (15) N/A 38.0
 
Jan. 21, 2021, 11 p.m. 3.5 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.11 ppb (2) 2.8 μg/m3 (3) N/A 40.0
 
Jan. 21, 2021, 10 p.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.1 ppb (2) 10.9 μg/m3 (11) N/A 39.0
 
Jan. 21, 2021, 9 p.m. 4.6 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A N/A 38.0
 
Jan. 21, 2021, 8 p.m. 4.7 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.11 ppb (2) 16.6 μg/m3 (16) N/A 37.0
 
Jan. 21, 2021, 7 p.m. 6.7 ppb (7) 2.5 ppb (3) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.13 ppb (2) 18.7 μg/m3 (18) N/A 33.0
 
Jan. 21, 2021, 6 p.m. 8.7 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.14 ppb (2) 25.2 μg/m3 (24) N/A 28.0
 
Jan. 21, 2021, 5 p.m. 11.7 ppb (12) 4.7 ppb (5) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.16 ppb (3) 35.9 μg/m3 (34) N/A 34.0
 
Jan. 21, 2021, 4 p.m. 25.3 ppb (24) 10.3 ppb (10) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.27 ppb (4) 26.4 μg/m3 (25) N/A 25.0
 
Jan. 21, 2021, 3 p.m. 18.4 ppb (18) 4.9 ppb (5) N/A 13.0 ppb (13) N/A N/A 6.0 ppb (6) 0.18 ppb (3) 16.4 μg/m3 (16) N/A 18.0
 
Jan. 21, 2021, 2 p.m. 13.1 ppb (13) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.15 ppb (2) 13.8 μg/m3 (13) N/A 13.0
 
Jan. 21, 2021, 1 p.m. 7.0 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) 0.09 ppb (2) 11.2 μg/m3 (11) N/A 16.0
 
Jan. 21, 2021, noon 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) 0.09 ppb (2) 11.9 μg/m3 (12) N/A 22.0
 
Jan. 21, 2021, 11 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.08 ppb (2) 11.8 μg/m3 (11) N/A 28.0
 
Jan. 21, 2021, 10 a.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.09 ppb (2) 18.6 μg/m3 (18) N/A 27.0
 
Jan. 21, 2021, 9 a.m. 12.1 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 14.0 ppb (13) 0.14 ppb (2) 16.1 μg/m3 (15) N/A 15.0
 
Jan. 21, 2021, 8 a.m. 11.4 ppb (11) 1.2 ppb (2) N/A 10.0 ppb (10) N/A N/A 16.0 ppb (15) 0.15 ppb (2) 21.2 μg/m3 (20) N/A 20.0
 
Jan. 21, 2021, 7 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) 0.13 ppb (2) 16.1 μg/m3 (15) N/A 16.0
 
Jan. 21, 2021, 6 a.m. 12.5 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.11 ppb (2) 13.9 μg/m3 (13) N/A 18.0
 
Jan. 21, 2021, 5 a.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.11 ppb (2) 12.9 μg/m3 (12) N/A 26.0
 
Jan. 21, 2021, 4 a.m. 5.9 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.12 ppb (2) 15.7 μg/m3 (15) N/A 25.0
 
Jan. 21, 2021, 3 a.m. 6.6 ppb (7) 3.5 ppb (4) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.11 ppb (2) 16.6 μg/m3 (16) N/A 27.0
 
Jan. 21, 2021, 2 a.m. 8.2 ppb (8) 4.2 ppb (4) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.1 ppb (2) 17.5 μg/m3 (17) N/A 27.0
 
Jan. 21, 2021, 1 a.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.11 ppb (2) 18.0 μg/m3 (17) N/A 28.0
 
Jan. 21, 2021, midnight 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 13.5 μg/m3 (13) N/A 29.0
 
Jan. 20, 2021, 11 p.m. 7.9 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.15 ppb (2) 15.8 μg/m3 (15) N/A 26.0
 
Jan. 20, 2021, 10 p.m. 7.3 ppb (7) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 12.9 μg/m3 (12) N/A 28.0
 
Jan. 20, 2021, 9 p.m. 5.3 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.14 ppb (2) 16.8 μg/m3 (16) N/A 30.0
 
Jan. 20, 2021, 8 p.m. 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.12 ppb (2) 16.3 μg/m3 (16) N/A 29.0
 
Jan. 20, 2021, 7 p.m. 7.0 ppb (7) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.1 ppb (2) 15.2 μg/m3 (15) N/A 31.0
 
Jan. 20, 2021, 6 p.m. 4.0 ppb (4) 1.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.1 ppb (2) 12.4 μg/m3 (12) N/A 30.0
 
Jan. 20, 2021, 5 p.m. 6.0 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.11 ppb (2) 12.3 μg/m3 (12) N/A 27.0
 
Jan. 20, 2021, 4 p.m. 22.0 ppb (21) 8.7 ppb (9) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) 0.18 ppb (3) 12.9 μg/m3 (12) N/A 21.0
 
Jan. 20, 2021, 3 p.m. 11.6 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.16 ppb (3) 10.8 μg/m3 (10) N/A 19.0
 
Jan. 20, 2021, 2 p.m. 11.7 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.14 ppb (2) 10.9 μg/m3 (11) N/A 18.0
 
Jan. 20, 2021, 1 p.m. 9.9 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.12 ppb (2) 9.6 μg/m3 (9) N/A 19.0
 
Jan. 20, 2021, noon 11.2 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.1 ppb (2) 9.3 μg/m3 (9) N/A 19.0
 
Jan. 20, 2021, 11 a.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.1 ppb (2) 8.4 μg/m3 (8) N/A 28.0
 
Jan. 20, 2021, 10 a.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.08 ppb (2) 12.0 μg/m3 (12) N/A 31.0
 
Jan. 20, 2021, 9 a.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.11 ppb (2) 6.4 μg/m3 (6) N/A 25.0
 
Jan. 20, 2021, 8 a.m. 7.6 ppb (8) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.12 ppb (2) 1.3 μg/m3 (2) N/A 23.0
 
Jan. 20, 2021, 7 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.09 ppb (2) 11.4 μg/m3 (11) N/A 31.0
 
Jan. 20, 2021, 6 a.m. 2.6 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.08 ppb (2) 10.3 μg/m3 (10) N/A 33.0
 
Jan. 20, 2021, 5 a.m. 7.4 ppb (7) 4.7 ppb (5) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.09 ppb (2) 6.9 μg/m3 (7) N/A 33.0
 
Jan. 20, 2021, 4 a.m. 4.3 ppb (5) 2.8 ppb (3) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.08 ppb (2) 8.6 μg/m3 (8) N/A 34.0
 
Jan. 20, 2021, 3 a.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.08 ppb (2) 12.6 μg/m3 (12) N/A 34.0
 
Jan. 20, 2021, 2 a.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.09 ppb (2) 16.8 μg/m3 (16) N/A 33.0
 
Jan. 20, 2021, 1 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.11 ppb (2) 14.0 μg/m3 (13) N/A 34.0
 
Jan. 20, 2021, midnight 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.09 ppb (2) 17.5 μg/m3 (17) N/A 33.0
 
Jan. 19, 2021, 11 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.12 ppb (2) 18.4 μg/m3 (18) N/A 32.0
 
Jan. 19, 2021, 10 p.m. 13.4 ppb (13) 8.5 ppb (9) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.1 ppb (2) 25.0 μg/m3 (24) N/A 30.0
 
Jan. 19, 2021, 9 p.m. 7.5 ppb (8) 4.6 ppb (5) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.11 ppb (2) 19.4 μg/m3 (18) N/A 32.0
 
Jan. 19, 2021, 8 p.m. 1.6 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 14.2 μg/m3 (14) N/A 32.0
 
Jan. 19, 2021, 7 p.m. 3.9 ppb (4) 2.8 ppb (3) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 18.5 μg/m3 (18) N/A 35.0
 
Jan. 19, 2021, 6 p.m. 3.2 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.1 ppb (2) 39.9 μg/m3 (37) N/A 37.0
 
Jan. 19, 2021, 5 p.m. 1.5 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.11 ppb (2) 18.5 μg/m3 (18) N/A 36.0
 
Jan. 19, 2021, 4 p.m. 2.7 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.14 ppb (2) 16.5 μg/m3 (16) N/A 36.0
 
Jan. 19, 2021, 3 p.m. 3.5 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.13 ppb (2) 17.9 μg/m3 (17) N/A 36.0
 
Jan. 19, 2021, 2 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 33.1 μg/m3 (31) N/A 38.0
 
Jan. 19, 2021, 1 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.11 ppb (2) 54.1 μg/m3 (51) N/A 51.0
 
Jan. 19, 2021, noon 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 52.4 μg/m3 (49) N/A 49.0
 
Jan. 19, 2021, 11 a.m. 1.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 27.4 μg/m3 (26) N/A 38.0
 
Jan. 19, 2021, 10 a.m. 1.4 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.09 ppb (2) 11.8 μg/m3 (11) N/A 38.0
 
Jan. 19, 2021, 9 a.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 10.4 μg/m3 (10) N/A 38.0
 
Jan. 19, 2021, 8 a.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 6.1 μg/m3 (6) N/A 31.0
 
Jan. 19, 2021, 7 a.m. 11.7 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.16 ppb (3) 4.2 μg/m3 (4) N/A 23.0
 
Jan. 19, 2021, 6 a.m. 36.1 ppb (35) 14.4 ppb (14) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) 0.32 ppb (4) 7.1 μg/m3 (7) N/A 35.0
 
Jan. 19, 2021, 5 a.m. 7.8 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.16 ppb (3) 7.3 μg/m3 (7) N/A 30.0
 
Jan. 19, 2021, 4 a.m. 8.7 ppb (9) 4.5 ppb (5) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.13 ppb (2) 11.2 μg/m3 (11) N/A 32.0
 
Jan. 19, 2021, 3 a.m. 25.0 ppb (24) 6.4 ppb (7) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) 0.27 ppb (4) 8.5 μg/m3 (8) N/A 24.0
 
Jan. 19, 2021, 2 a.m. 12.4 ppb (12) 1.6 ppb (2) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) 0.2 ppb (3) 10.5 μg/m3 (10) N/A 25.0
 
Jan. 19, 2021, 1 a.m. 6.8 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.15 ppb (2) 8.7 μg/m3 (9) N/A 31.0
 
Jan. 19, 2021, midnight 2.7 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.11 ppb (2) 10.8 μg/m3 (10) N/A 37.0
 
Jan. 18, 2021, 11 p.m. 2.2 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 4.8 μg/m3 (5) N/A 38.0
 
Jan. 18, 2021, 10 p.m. 1.6 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) 4.6 μg/m3 (5) N/A 38.0
 
Jan. 18, 2021, 9 p.m. 1.2 ppb (2) 0.8 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 0.0 μg/m3 (0) N/A 38.0
 
Jan. 18, 2021, 8 p.m. 1.6 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.09 ppb (2) 5.7 μg/m3 (6) N/A 38.0
 
Jan. 18, 2021, 7 p.m. 1.7 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.09 ppb (2) 3.5 μg/m3 (4) N/A 37.0
 
Jan. 18, 2021, 6 p.m. 4.5 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.1 ppb (2) 9.1 μg/m3 (9) N/A 37.0
 
Jan. 18, 2021, 5 p.m. 3.6 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.1 ppb (2) 24.8 μg/m3 (23) N/A 34.0
 
Jan. 18, 2021, 4 p.m. 33.9 ppb (32) 13.9 ppb (14) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (14) 0.29 ppb (4) 22.3 μg/m3 (21) N/A 32.0
 
Jan. 18, 2021, 3 p.m. 28.6 ppb (27) 9.2 ppb (9) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) 0.2 ppb (3) 14.2 μg/m3 (14) N/A 27.0
 
Jan. 18, 2021, 2 p.m. 16.8 ppb (16) 4.7 ppb (5) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.15 ppb (2) 8.9 μg/m3 (9) N/A 20.0
 
Jan. 18, 2021, 1 p.m. 12.8 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.13 ppb (2) 11.3 μg/m3 (11) N/A 20.0
 
Jan. 18, 2021, noon 14.6 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.13 ppb (2) 11.5 μg/m3 (11) N/A 18.0
 
Jan. 18, 2021, 11 a.m. 21.1 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) 0.13 ppb (2) 13.4 μg/m3 (13) N/A 20.0
 
Jan. 18, 2021, 10 a.m. 15.9 ppb (15) 1.3 ppb (2) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.15 ppb (2) 13.8 μg/m3 (13) N/A 17.0
 
Jan. 18, 2021, 9 a.m. 11.1 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) 0.14 ppb (2) 10.1 μg/m3 (10) N/A 21.0
 
Jan. 18, 2021, 8 a.m. 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.13 ppb (2) 12.5 μg/m3 (12) N/A 22.0
 
Jan. 18, 2021, 7 a.m. 12.7 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.15 ppb (2) 12.7 μg/m3 (12) N/A 21.0
 
Jan. 18, 2021, 6 a.m. 18.7 ppb (18) 0.9 ppb (1) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (15) 0.18 ppb (3) 18.2 μg/m3 (17) N/A 18.0
 
Jan. 18, 2021, 5 a.m. 17.7 ppb (17) 1.4 ppb (2) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.31 ppb (4) 15.1 μg/m3 (14) N/A 17.0
 
Jan. 18, 2021, 4 a.m. 16.7 ppb (16) 1.5 ppb (2) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) 0.31 ppb (4) 11.3 μg/m3 (11) N/A 16.0