analyze_station_data    Analyze station data
aqi_health_impact       Possible health impact of an AQI value
aqi_pollutant_category
                        AQI category of a pollutant concentration
aqi_pollutant_name      NAQI name of a pollutant label
aqi_sub_index           National AQI sub-index of concentrations
clean_station_name      Clean station name
collocated_precision    Precision of collocated sensors
compare_daily_records   Compare OAQ daily records with the day's
                        15-minute readings
compute_aqi             Overall National AQI of a set of concentrations
compute_us_aqi          Overall US EPA AQI of a set of concentrations
cpcb_add_coords         Add coordinates to station list
cpcb_city_daily         Daily city-level AQI in long format
cpcb_download_city_data
                        Download city-level AQI data
cpcb_download_hourly    Download hourly AQI data
cpcb_download_raw_station_data
                        Download raw CPCB station data
cpcb_download_station_data
                        Download station-level AQI data
cpcb_get_all_india      Get all India monitoring stations
cpcb_get_city_list      Get list of cities in a state
cpcb_get_complete_list
                        Fetch complete station and city list from CPCB
cpcb_get_file_path      Get file path for CPCB data download
cpcb_get_live_aqi_data
                        Get live AQI data
cpcb_get_live_aqi_data_for_station
                        Get live AQI data for a station
cpcb_get_nearest_station
                        Find nearest monitoring station
cpcb_get_nearest_stations
                        Find the nearest monitoring stations
cpcb_get_state_list     Get list of states with AQI data
cpcb_get_station_list   Get station list for a city
cpcb_get_system_location
                        Get system location via IP geolocation
cpcb_live_metrics       Latest pollutant averages of live CPCB data
cpcb_live_to_long       Recent hours of live CPCB data in long format
cpcb_raw_readings       Raw 15-minute data of several stations
cpcb_raw_to_long        Reshape raw CPCB station data to long format
cpcb_station_daily      Daily station-level AQI in long format
cpcb_station_daily_aqi
                        Daily National AQI of a station from its raw
                        data
cpcb_tidy_daily         Reshape a CPCB daily sheet to long format
daily_aqi               Daily National AQI from tidy data
daily_record_summary    When OAQ daily records changed from the mean to
                        the last reading
get_aqi_categories      Vectorized AQI category
get_aqi_category        Get AQI category
haversine_distance      Calculate haversine distance
india_boundary          Boundary of Indian districts or states
nearest_stations        Find the nearest stations between two sets of
                        points
oaq_audit_daily_records
                        Audit OAQ daily records of several sensors
oaq_check_daily_records
                        Check OAQ's daily records against the 15-minute
                        readings
oaq_city_tally          Tally of OAQ-only sensors by city
oaq_daily_means         Daily means of an OAQ sensor's 15-minute
                        readings
oaq_daily_records       OAQ's own daily records of a sensor
oaq_fetch_monthly_stations
                        Fetch monthly station data for a provider
                        across one or more months
oaq_get_annual          Get annual aggregated data for a sensor
oaq_get_city_latest     Get latest AQI for a city
oaq_get_daily           Get daily historical data for a sensor
oaq_get_hierarchy       Get provider geographic hierarchy
oaq_get_monthly         Get monthly aggregated data for a sensor
oaq_get_station_24h     Get last 24 hours of data for a sensor
oaq_get_stations_latest
                        Get latest readings from all stations
oaq_list_providers      List all OAQ data providers
oaq_nearest_cpcb        Nearest CPCB stations of OAQ sensors
oaq_readings            15-minute readings of an OAQ sensor
oaq_sensors             List OAQ sensors
oaq_session             Establish an OAQ API session
oaq_stations_table      Latest OAQ readings for one or more providers
peer_ratio              Departure of each collocated sensor from the
                        others
plot_daily_record_day   Plot one day's readings with their mean and
                        OAQ's daily record
plot_daily_record_difference
                        Plot how far OAQ's daily record is from the
                        daily mean
plot_daily_record_scatter
                        Plot OAQ's daily record against the daily mean
                        and the last reading
plot_daily_record_series
                        Plot a sensor's OAQ daily record and daily mean
                        over time
plot_daily_record_share
                        Plot the share of days by month that OAQ's
                        record equals each statistic
plot_daily_record_timeline
                        Plot which statistic each day's OAQ record
                        equals
plot_sensor_vs_reference
                        Daily sensor values against their reference
                        station
pm25_clear_cache        Clear PM2.5 cache
pm25_download_netcdf    Download PM2.5 NetCDF file
pm25_get_point          PM2.5 at points
pm25_get_stats          Get PM2.5 statistics for a region
pm25_get_stats_by_polygon
                        PM2.5 statistics for each polygon
pm25_list_cached_files
                        List cached PM2.5 NetCDF files
pm25_load_netcdf_bbox   Load a gridded PM2.5 raster cropped to a
                        region's bounding box
pm25_map                Map a PM2.5 raster
pm25_monthly            Monthly mean PM2.5 over a region
pm25_read_netcdf_bbox   Mean gridded PM2.5 over a region's bounding box
pm25_v5gl04_path        Build the file path for a WUSTL V5GL04 monthly
                        NetCDF
ratio_by_humidity       Sensor-to-reference ratio by relative humidity
readings_mean           Daily or hourly means of sensor readings
sensor_accuracy         Accuracy of sensors against a reference
sensor_completeness     Completeness of sensor readings
sensor_plausibility     Plausibility flags of sensor readings
stations_to_city_summary
                        Summarize station data by city
stations_to_dataframe   Convert station data to data frame
theme_vayuayan          The vayuayan ggplot2 theme
us_aqi_category         US EPA AQI category of AQI values
us_aqi_color            US EPA AQI color of AQI values
us_aqi_pollutant_name   US AQI name of a pollutant label
us_aqi_sub_index        US EPA AQI sub-index of concentrations
vayuayan_cache_dir      Cache directory of vayuayan
vayuayan_welcome        Print vayuayan welcome message
